Remove GetMonitorInfoWrapper, which is no longer needed.

content/browser/renderer_host/render_widget_host_view_win.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/browser/renderer_host/render_widget_host_view_win.h"
+
+#include <InputScope.h>
+#include <wtsapi32.h>
+#pragma comment(lib, "wtsapi32.lib")
+
+#include <algorithm>
+#include <map>
+#include <stack>
+
+#include "base/basictypes.h"
+#include "base/bind.h"
+#include "base/callback_helpers.h"
+#include "base/command_line.h"
+#include "base/debug/trace_event.h"
+#include "base/i18n/rtl.h"
+#include "base/metrics/histogram.h"
+#include "base/threading/thread.h"
+#include "base/win/metro.h"
+#include "base/win/scoped_comptr.h"
+#include "base/win/scoped_gdi_object.h"
+#include "base/win/win_util.h"
+#include "base/win/windows_version.h"
+#include "base/win/wrapped_window_proc.h"
+#include "content/browser/accessibility/browser_accessibility_manager_win.h"
+#include "content/browser/accessibility/browser_accessibility_state_impl.h"
+#include "content/browser/accessibility/browser_accessibility_win.h"
+#include "content/browser/gpu/gpu_data_manager_impl.h"
+#include "content/browser/gpu/gpu_process_host.h"
+#include "content/browser/gpu/gpu_process_host_ui_shim.h"
+#include "content/browser/renderer_host/backing_store.h"
+#include "content/browser/renderer_host/backing_store_win.h"
+#include "content/browser/renderer_host/input/web_input_event_builders_win.h"
+#include "content/browser/renderer_host/render_process_host_impl.h"
+#include "content/browser/renderer_host/render_widget_host_impl.h"
+#include "content/browser/renderer_host/ui_events_helper.h"
+#include "content/common/accessibility_messages.h"
+#include "content/common/gpu/gpu_messages.h"
+#include "content/common/plugin_constants_win.h"
+#include "content/common/view_messages.h"
+#include "content/common/webplugin_geometry.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/child_process_data.h"
+#include "content/public/browser/content_browser_client.h"
+#include "content/public/browser/native_web_keyboard_event.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/notification_types.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/common/content_switches.h"
+#include "content/public/common/page_zoom.h"
+#include "content/public/common/process_type.h"
+#include "skia/ext/skia_utils_win.h"
+#include "third_party/WebKit/public/web/WebCompositionUnderline.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
+#include "third_party/skia/include/core/SkRegion.h"
+#include "ui/base/ime/composition_text.h"
+#include "ui/base/ime/win/imm32_manager.h"
+#include "ui/base/ime/win/tsf_input_scope.h"
+#include "ui/base/l10n/l10n_util_win.h"
+#include "ui/base/touch/touch_device.h"
+#include "ui/base/touch/touch_enabled.h"
+#include "ui/base/ui_base_switches.h"
+#include "ui/base/view_prop.h"
+#include "ui/base/win/mouse_wheel_util.h"
+#include "ui/base/win/touch_input.h"
+#include "ui/events/event.h"
+#include "ui/events/event_utils.h"
+#include "ui/gfx/canvas.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/rect_conversions.h"
+#include "ui/gfx/screen.h"
+#include "ui/gfx/sequential_id_generator.h"
+#include "ui/gfx/text_elider.h"
+#include "ui/gfx/win/dpi.h"
+#include "ui/gfx/win/hwnd_util.h"
+#include "webkit/common/cursors/webcursor.h"
+#include "win8/util/win8_util.h"
+
+using base::TimeDelta;
+using base::TimeTicks;
+using ui::ViewProp;
+using blink::WebInputEvent;
+using blink::WebMouseEvent;
+using blink::WebTextDirection;
+
+namespace content {
+namespace {
+
+// Tooltips will wrap after this width. Yes, wrap. Imagine that!
+const int kTooltipMaxWidthPixels = 300;
+
+// Maximum number of characters we allow in a tooltip.
+const int kMaxTooltipLength = 1024;
+
+// A custom MSAA object id used to determine if a screen reader is actively
+// listening for MSAA events.
+const int kIdCustom = 1;
+
+// The delay before the compositor host window is destroyed. This gives the GPU
+// process a grace period to stop referencing it.
+const int kDestroyCompositorHostWindowDelay = 10000;
+
+// In mouse lock mode, we need to prevent the (invisible) cursor from hitting
+// the border of the view, in order to get valid movement information. However,
+// forcing the cursor back to the center of the view after each mouse move
+// doesn't work well. It reduces the frequency of useful WM_MOUSEMOVE messages
+// significantly. Therefore, we move the cursor to the center of the view only
+// if it approaches the border. |kMouseLockBorderPercentage| specifies the width
+// of the border area, in percentage of the corresponding dimension.
+const int kMouseLockBorderPercentage = 15;
+
+// A callback function for EnumThreadWindows to enumerate and dismiss
+// any owned popup windows.
+BOOL CALLBACK DismissOwnedPopups(HWND window, LPARAM arg) {
+  const HWND toplevel_hwnd = reinterpret_cast<HWND>(arg);
+
+  if (::IsWindowVisible(window)) {
+    const HWND owner = ::GetWindow(window, GW_OWNER);
+    if (toplevel_hwnd == owner) {
+      ::PostMessage(window, WM_CANCELMODE, 0, 0);
+    }
+  }
+
+  return TRUE;
+}
+
+void SendToGpuProcessHost(int gpu_host_id, scoped_ptr<IPC::Message> message) {
+  GpuProcessHost* gpu_process_host = GpuProcessHost::FromID(gpu_host_id);
+  if (!gpu_process_host)
+    return;
+
+  gpu_process_host->Send(message.release());
+}
+
+void PostTaskOnIOThread(const tracked_objects::Location& from_here,
+                        base::Closure task) {
+  BrowserThread::PostTask(BrowserThread::IO, from_here, task);
+}
+
+bool DecodeZoomGesture(HWND hwnd, const GESTUREINFO& gi,
+                       PageZoom* zoom, POINT* zoom_center) {
+  static long start = 0;
+  static POINT zoom_first;
+
+  if (gi.dwFlags == GF_BEGIN) {
+    start = gi.ullArguments;
+    zoom_first.x = gi.ptsLocation.x;
+    zoom_first.y = gi.ptsLocation.y;
+    ScreenToClient(hwnd, &zoom_first);
+    return false;
+  }
+
+  if (gi.dwFlags == GF_END)
+    return false;
+
+  POINT zoom_second = {0};
+  zoom_second.x = gi.ptsLocation.x;
+  zoom_second.y = gi.ptsLocation.y;
+  ScreenToClient(hwnd, &zoom_second);
+
+  if (zoom_first.x == zoom_second.x && zoom_first.y == zoom_second.y)
+    return false;
+
+  zoom_center->x = (zoom_first.x + zoom_second.x) / 2;
+  zoom_center->y = (zoom_first.y + zoom_second.y) / 2;
+
+  double zoom_factor =
+      static_cast<double>(gi.ullArguments)/static_cast<double>(start);
+
+  *zoom = zoom_factor >= 1 ? PAGE_ZOOM_IN : PAGE_ZOOM_OUT;
+
+  start = gi.ullArguments;
+  zoom_first = zoom_second;
+  return true;
+}
+
+bool DecodeScrollGesture(const GESTUREINFO& gi,
+                         POINT* start,
+                         POINT* delta){
+  // Windows gestures are streams of messages with begin/end messages that
+  // separate each new gesture. We key off the begin message to reset
+  // the static variables.
+  static POINT last_pt;
+  static POINT start_pt;
+
+  if (gi.dwFlags == GF_BEGIN) {
+    delta->x = 0;
+    delta->y = 0;
+    start_pt.x = gi.ptsLocation.x;
+    start_pt.y = gi.ptsLocation.y;
+  } else {
+    delta->x = gi.ptsLocation.x - last_pt.x;
+    delta->y = gi.ptsLocation.y - last_pt.y;
+  }
+  last_pt.x = gi.ptsLocation.x;
+  last_pt.y = gi.ptsLocation.y;
+  *start = start_pt;
+  return true;
+}
+
+blink::WebMouseWheelEvent MakeFakeScrollWheelEvent(HWND hwnd,
+                                                    POINT start,
+                                                    POINT delta) {
+  blink::WebMouseWheelEvent result;
+  result.type = WebInputEvent::MouseWheel;
+  result.timeStampSeconds = ::GetMessageTime() / 1000.0;
+  result.button = WebMouseEvent::ButtonNone;
+  result.globalX = start.x;
+  result.globalY = start.y;
+  // Map to window coordinates.
+  POINT client_point = { result.globalX, result.globalY };
+  MapWindowPoints(0, hwnd, &client_point, 1);
+  result.x = client_point.x;
+  result.y = client_point.y;
+  result.windowX = result.x;
+  result.windowY = result.y;
+  // Note that we support diagonal scrolling.
+  result.deltaX = static_cast<float>(delta.x);
+  result.wheelTicksX = WHEEL_DELTA;
+  result.deltaY = static_cast<float>(delta.y);
+  result.wheelTicksY = WHEEL_DELTA;
+  return result;
+}
+
+static const int kTouchMask = 0x7;
+
+inline int GetTouchType(const TOUCHINPUT& point) {
+  return point.dwFlags & kTouchMask;
+}
+
+inline void SetTouchType(TOUCHINPUT* point, int type) {
+  point->dwFlags = (point->dwFlags & kTouchMask) | type;
+}
+
+ui::EventType ConvertToUIEvent(blink::WebTouchPoint::State t) {
+  switch (t) {
+    case blink::WebTouchPoint::StatePressed:
+      return ui::ET_TOUCH_PRESSED;
+    case blink::WebTouchPoint::StateMoved:
+      return ui::ET_TOUCH_MOVED;
+    case blink::WebTouchPoint::StateStationary:
+      return ui::ET_TOUCH_STATIONARY;
+    case blink::WebTouchPoint::StateReleased:
+      return ui::ET_TOUCH_RELEASED;
+    case blink::WebTouchPoint::StateCancelled:
+      return ui::ET_TOUCH_CANCELLED;
+    default:
+      DCHECK(false) << "Unexpected ui type. " << t;
+      return ui::ET_UNKNOWN;
+  }
+}
+
+// Creates a WebGestureEvent corresponding to the given |gesture|
+blink::WebGestureEvent CreateWebGestureEvent(HWND hwnd,
+                                              const ui::GestureEvent& gesture) {
+  blink::WebGestureEvent gesture_event =
+      MakeWebGestureEventFromUIEvent(gesture);
+
+  POINT client_point = gesture.location().ToPOINT();
+  POINT screen_point = gesture.location().ToPOINT();
+  MapWindowPoints(hwnd, HWND_DESKTOP, &screen_point, 1);
+
+  gesture_event.x = client_point.x;
+  gesture_event.y = client_point.y;
+  gesture_event.globalX = screen_point.x;
+  gesture_event.globalY = screen_point.y;
+
+  return gesture_event;
+}
+
+blink::WebGestureEvent CreateFlingCancelEvent(double time_stamp) {
+  blink::WebGestureEvent gesture_event;
+  gesture_event.timeStampSeconds = time_stamp;
+  gesture_event.type = blink::WebGestureEvent::GestureFlingCancel;
+  gesture_event.sourceDevice = blink::WebGestureEvent::Touchscreen;
+  return gesture_event;
+}
+
+class TouchEventFromWebTouchPoint : public ui::TouchEvent {
+ public:
+  TouchEventFromWebTouchPoint(const blink::WebTouchPoint& touch_point,
+                              base::TimeDelta& timestamp)
+      : ui::TouchEvent(ConvertToUIEvent(touch_point.state),
+                       touch_point.position,
+                       touch_point.id,
+                       timestamp) {
+    set_radius(touch_point.radiusX, touch_point.radiusY);
+    set_rotation_angle(touch_point.rotationAngle);
+    set_force(touch_point.force);
+    set_flags(ui::GetModifiersFromKeyState());
+  }
+
+  virtual ~TouchEventFromWebTouchPoint() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TouchEventFromWebTouchPoint);
+};
+
+bool ShouldSendPinchGesture() {
+  static bool pinch_allowed =
+      CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnablePinch);
+  return pinch_allowed;
+}
+
+void GetScreenInfoForWindow(gfx::NativeViewId id,
+                            blink::WebScreenInfo* results) {
+  HWND window = gfx::NativeViewFromId(id);
+
+  HMONITOR monitor = MonitorFromWindow(window, MONITOR_DEFAULTTOPRIMARY);
+
+  MONITORINFOEX monitor_info;
+  monitor_info.cbSize = sizeof(MONITORINFOEX);
+  if (!GetMonitorInfo(monitor, &monitor_info))
+    return;
+
+  DEVMODE dev_mode;
+  dev_mode.dmSize = sizeof(dev_mode);
+  dev_mode.dmDriverExtra = 0;
+  EnumDisplaySettings(monitor_info.szDevice, ENUM_CURRENT_SETTINGS, &dev_mode);
+
+  blink::WebScreenInfo screen_info;
+  screen_info.depth = dev_mode.dmBitsPerPel;
+  screen_info.depthPerComponent = 8;
+  screen_info.deviceScaleFactor = gfx::win::GetDeviceScaleFactor();
+  screen_info.isMonochrome = dev_mode.dmColor == DMCOLOR_MONOCHROME;
+  screen_info.rect = gfx::Rect(monitor_info.rcMonitor);
+  screen_info.availableRect = gfx::Rect(monitor_info.rcWork);
+
+  *results = screen_info;
+}
+
+}  // namespace
+
+const wchar_t kRenderWidgetHostHWNDClass[] = L"Chrome_RenderWidgetHostHWND";
+
+// Wrapper for maintaining touchstate associated with a WebTouchEvent.
+class WebTouchState {
+ public:
+  explicit WebTouchState(const RenderWidgetHostViewWin* window);
+
+  // Updates the current touchpoint state with the supplied touches.
+  // Touches will be consumed only if they are of the same type (e.g. down,
+  // up, move). Returns the number of consumed touches.
+  size_t UpdateTouchPoints(TOUCHINPUT* points, size_t count);
+
+  // Marks all active touchpoints as released.
+  bool ReleaseTouchPoints();
+
+  // The contained WebTouchEvent.
+  const blink::WebTouchEvent& touch_event() { return touch_event_; }
+
+  // Returns if any touches are modified in the event.
+  bool is_changed() { return touch_event_.changedTouchesLength != 0; }
+
+ private:
+  // Adds a touch point or returns NULL if there's not enough space.
+  blink::WebTouchPoint* AddTouchPoint(TOUCHINPUT* touch_input);
+
+  // Copy details from a TOUCHINPUT to an existing WebTouchPoint, returning
+  // true if the resulting point is a stationary move.
+  bool UpdateTouchPoint(blink::WebTouchPoint* touch_point,
+                        TOUCHINPUT* touch_input);
+
+  // Find (or create) a mapping for _os_touch_id_.
+  unsigned int GetMappedTouch(unsigned int os_touch_id);
+
+  // Remove any mappings that are no longer in use.
+  void RemoveExpiredMappings();
+
+  blink::WebTouchEvent touch_event_;
+  const RenderWidgetHostViewWin* const window_;
+
+  ui::SequentialIDGenerator id_generator_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebTouchState);
+};
+
+typedef void (*MetroSetFrameWindow)(HWND window);
+typedef void (*MetroCloseFrameWindow)(HWND window);
+
+///////////////////////////////////////////////////////////////////////////////
+// RenderWidgetHostViewWin, public:
+
+RenderWidgetHostViewWin::RenderWidgetHostViewWin(RenderWidgetHost* widget)
+    : render_widget_host_(RenderWidgetHostImpl::From(widget)),
+      compositor_host_window_(NULL),
+      hide_compositor_window_at_next_paint_(false),
+      track_mouse_leave_(false),
+      imm32_manager_(new ui::IMM32Manager),
+      ime_notification_(false),
+      capture_enter_key_(false),
+      about_to_validate_and_paint_(false),
+      close_on_deactivate_(false),
+      being_destroyed_(false),
+      tooltip_hwnd_(NULL),
+      tooltip_showing_(false),
+      weak_factory_(this),
+      is_loading_(false),
+      text_input_type_(ui::TEXT_INPUT_TYPE_NONE),
+      text_input_mode_(ui::TEXT_INPUT_MODE_DEFAULT),
+      can_compose_inline_(true),
+      is_fullscreen_(false),
+      ignore_mouse_movement_(true),
+      composition_range_(gfx::Range::InvalidRange()),
+      touch_state_(new WebTouchState(this)),
+      pointer_down_context_(false),
+      last_touch_location_(-1, -1),
+      touch_events_enabled_(ui::AreTouchEventsEnabled()),
+      gesture_recognizer_(ui::GestureRecognizer::Create()) {
+  render_widget_host_->SetView(this);
+  registrar_.Add(this,
+                 NOTIFICATION_RENDERER_PROCESS_TERMINATED,
+                 NotificationService::AllBrowserContextsAndSources());
+  gesture_recognizer_->AddGestureEventHelper(this);
+}
+
+RenderWidgetHostViewWin::~RenderWidgetHostViewWin() {
+  gesture_recognizer_->RemoveGestureEventHelper(this);
+  UnlockMouse();
+  ResetTooltip();
+}
+
+void RenderWidgetHostViewWin::CreateWnd(HWND parent) {
+  // ATL function to create the window.
+  Create(parent);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// RenderWidgetHostViewWin, RenderWidgetHostView implementation:
+
+void RenderWidgetHostViewWin::InitAsChild(
+    gfx::NativeView parent_view) {
+  CreateWnd(parent_view);
+}
+
+void RenderWidgetHostViewWin::InitAsPopup(
+    RenderWidgetHostView* parent_host_view, const gfx::Rect& pos) {
+  close_on_deactivate_ = true;
+  DoPopupOrFullscreenInit(parent_host_view->GetNativeView(), pos,
+                          WS_EX_TOOLWINDOW);
+}
+
+void RenderWidgetHostViewWin::InitAsFullscreen(
+    RenderWidgetHostView* reference_host_view) {
+  gfx::Rect pos = gfx::Screen::GetNativeScreen()->GetDisplayNearestWindow(
+      reference_host_view->GetNativeView()).bounds();
+  is_fullscreen_ = true;
+  DoPopupOrFullscreenInit(gfx::GetWindowToParentTo(true), pos, 0);
+}
+
+RenderWidgetHost* RenderWidgetHostViewWin::GetRenderWidgetHost() const {
+  return render_widget_host_;
+}
+
+void RenderWidgetHostViewWin::WasShown() {
+  // |render_widget_host_| may be NULL if the WebContentsImpl is in the process
+  // of closing.
+  if (!render_widget_host_)
+    return;
+
+  if (!render_widget_host_->is_hidden())
+    return;
+
+  if (web_contents_switch_paint_time_.is_null())
+    web_contents_switch_paint_time_ = TimeTicks::Now();
+
+  render_widget_host_->WasShown();
+}
+
+void RenderWidgetHostViewWin::WasHidden() {
+  // |render_widget_host_| may be NULL if the WebContentsImpl is in the process
+  // of closing.
+  if (!render_widget_host_)
+    return;
+
+  if (render_widget_host_->is_hidden())
+    return;
+
+  ResetTooltip();
+
+  // Inform the renderer that we are being hidden so it can reduce its resource
+  // utilization.
+  render_widget_host_->WasHidden();
+
+  if (accelerated_surface_)
+    accelerated_surface_->WasHidden();
+
+  if (GetBrowserAccessibilityManager())
+    GetBrowserAccessibilityManager()->WasHidden();
+
+  web_contents_switch_paint_time_ = base::TimeTicks();
+}
+
+void RenderWidgetHostViewWin::SetSize(const gfx::Size& size) {
+  SetBounds(gfx::Rect(GetPixelBounds().origin(), size));
+}
+
+void RenderWidgetHostViewWin::SetBounds(const gfx::Rect& rect) {
+  if (being_destroyed_)
+    return;
+
+  // No SWP_NOREDRAW as autofill popups can move and the underneath window
+  // should redraw in that case.
+  UINT swp_flags = SWP_NOSENDCHANGING | SWP_NOOWNERZORDER | SWP_NOCOPYBITS |
+      SWP_NOZORDER | SWP_NOACTIVATE | SWP_DEFERERASE;
+
+  // If the style is not popup, you have to convert the point to client
+  // coordinate.
+  POINT point = { rect.x(), rect.y() };
+  if (GetStyle() & WS_CHILD)
+    ScreenToClient(&point);
+
+  SetWindowPos(NULL, point.x, point.y, rect.width(), rect.height(), swp_flags);
+  render_widget_host_->WasResized();
+}
+
+gfx::NativeView RenderWidgetHostViewWin::GetNativeView() const {
+  return m_hWnd;
+}
+
+gfx::NativeViewId RenderWidgetHostViewWin::GetNativeViewId() const {
+  return reinterpret_cast<gfx::NativeViewId>(m_hWnd);
+}
+
+gfx::NativeViewAccessible
+RenderWidgetHostViewWin::GetNativeViewAccessible() {
+  if (render_widget_host_ &&
+      !BrowserAccessibilityState::GetInstance()->IsAccessibleBrowser()) {
+    // Attempt to detect screen readers by sending an event with our custom id.
+    NotifyWinEvent(EVENT_SYSTEM_ALERT, m_hWnd, kIdCustom, CHILDID_SELF);
+  }
+
+  CreateBrowserAccessibilityManagerIfNeeded();
+
+  return GetBrowserAccessibilityManager()->GetRoot()->
+      ToBrowserAccessibilityWin();
+}
+
+void RenderWidgetHostViewWin::MovePluginWindows(
+    const gfx::Vector2d& scroll_offset,
+    const std::vector<WebPluginGeometry>& plugin_window_moves) {
+  MovePluginWindowsHelper(m_hWnd, plugin_window_moves);
+}
+
+static BOOL CALLBACK AddChildWindowToVector(HWND hwnd, LPARAM lparam) {
+  std::vector<HWND>* vector = reinterpret_cast<std::vector<HWND>*>(lparam);
+  vector->push_back(hwnd);
+  return TRUE;
+}
+
+void RenderWidgetHostViewWin::CleanupCompositorWindow() {
+  if (!compositor_host_window_)
+    return;
+
+  gfx::SetWindowUserData(compositor_host_window_, NULL);
+
+  // Hide the compositor and parent it to the desktop rather than destroying
+  // it immediately. The GPU process has a grace period to stop accessing the
+  // window. TODO(apatrick): the GPU process should acknowledge that it has
+  // finished with the window handle and the browser process should destroy it
+  // at that point.
+  ::ShowWindow(compositor_host_window_, SW_HIDE);
+  ::SetParent(compositor_host_window_, NULL);
+
+  BrowserThread::PostDelayedTask(
+      BrowserThread::UI,
+      FROM_HERE,
+      base::Bind(base::IgnoreResult(&::DestroyWindow),
+                 compositor_host_window_),
+      base::TimeDelta::FromMilliseconds(kDestroyCompositorHostWindowDelay));
+
+  compositor_host_window_ = NULL;
+}
+
+bool RenderWidgetHostViewWin::IsActivatable() const {
+  // Popups should not be activated.
+  return popup_type_ == blink::WebPopupTypeNone;
+}
+
+void RenderWidgetHostViewWin::Focus() {
+  if (IsWindow())
+    SetFocus();
+}
+
+void RenderWidgetHostViewWin::Blur() {
+  NOTREACHED();
+}
+
+bool RenderWidgetHostViewWin::HasFocus() const {
+  return ::GetFocus() == m_hWnd;
+}
+
+bool RenderWidgetHostViewWin::IsSurfaceAvailableForCopy() const {
+  if (render_widget_host_->is_accelerated_compositing_active())
+    return accelerated_surface_.get() && accelerated_surface_->IsReadyForCopy();
+  else
+    return !!render_widget_host_->GetBackingStore(false);
+}
+
+void RenderWidgetHostViewWin::Show() {
+  ShowWindow(SW_SHOW);
+  WasShown();
+}
+
+void RenderWidgetHostViewWin::Hide() {
+  if (!is_fullscreen_ && GetParent() == gfx::GetWindowToParentTo(true)) {
+    LOG(WARNING) << "Hide() called twice in a row: " << this << ":"
+        << GetParent();
+    return;
+  }
+
+  if (::GetFocus() == m_hWnd)
+    ::SetFocus(NULL);
+  ShowWindow(SW_HIDE);
+
+  WasHidden();
+}
+
+bool RenderWidgetHostViewWin::IsShowing() {
+  return !!IsWindowVisible();
+}
+
+gfx::Rect RenderWidgetHostViewWin::GetViewBounds() const {
+  return gfx::win::ScreenToDIPRect(GetPixelBounds());
+}
+
+gfx::Rect RenderWidgetHostViewWin::GetPixelBounds() const {
+  CRect window_rect;
+  GetWindowRect(&window_rect);
+  return gfx::Rect(window_rect);
+}
+
+void RenderWidgetHostViewWin::UpdateCursor(const WebCursor& cursor) {
+  current_cursor_ = cursor;
+  UpdateCursorIfOverSelf();
+}
+
+void RenderWidgetHostViewWin::UpdateCursorIfOverSelf() {
+  static HCURSOR kCursorArrow = LoadCursor(NULL, IDC_ARROW);
+  static HCURSOR kCursorAppStarting = LoadCursor(NULL, IDC_APPSTARTING);
+  static HINSTANCE module_handle = GetModuleHandle(
+      GetContentClient()->browser()->GetResourceDllName());
+
+  // If the mouse is over our HWND, then update the cursor state immediately.
+  CPoint pt;
+  GetCursorPos(&pt);
+  if (WindowFromPoint(pt) == m_hWnd) {
+    // We cannot pass in NULL as the module handle as this would only work for
+    // standard win32 cursors. We can also receive cursor types which are
+    // defined as webkit resources. We need to specify the module handle of
+    // chrome.dll while loading these cursors.
+    HCURSOR display_cursor = current_cursor_.GetCursor(module_handle);
+
+    // If a page is in the loading state, we want to show the Arrow+Hourglass
+    // cursor only when the current cursor is the ARROW cursor. In all other
+    // cases we should continue to display the current cursor.
+    if (is_loading_ && display_cursor == kCursorArrow)
+      display_cursor = kCursorAppStarting;
+
+    SetCursor(display_cursor);
+  }
+}
+
+void RenderWidgetHostViewWin::SetIsLoading(bool is_loading) {
+  is_loading_ = is_loading;
+  UpdateCursorIfOverSelf();
+}
+
+void RenderWidgetHostViewWin::TextInputTypeChanged(
+    ui::TextInputType type,
+    ui::TextInputMode input_mode,
+    bool can_compose_inline) {
+  if (text_input_type_ != type ||
+      text_input_mode_ != input_mode ||
+      can_compose_inline_ != can_compose_inline) {
+    const bool text_input_type_changed = (text_input_type_ != type) ||
+                                         (text_input_mode_ != input_mode);
+    text_input_type_ = type;
+    text_input_mode_ = input_mode;
+    can_compose_inline_ = can_compose_inline;
+    UpdateIMEState();
+    if (text_input_type_changed)
+      UpdateInputScopeIfNecessary(text_input_type_);
+  }
+}
+
+void RenderWidgetHostViewWin::SelectionBoundsChanged(
+    const ViewHostMsg_SelectionBounds_Params& params) {
+  bool is_enabled = (text_input_type_ != ui::TEXT_INPUT_TYPE_NONE &&
+      text_input_type_ != ui::TEXT_INPUT_TYPE_PASSWORD);
+  // Only update caret position if the input method is enabled.
+  if (is_enabled) {
+    caret_rect_ = gfx::UnionRects(params.anchor_rect, params.focus_rect);
+    imm32_manager_->UpdateCaretRect(m_hWnd, caret_rect_);
+  }
+}
+
+void RenderWidgetHostViewWin::ScrollOffsetChanged() {
+}
+
+void RenderWidgetHostViewWin::ImeCancelComposition() {
+  imm32_manager_->CancelIME(m_hWnd);
+}
+
+void RenderWidgetHostViewWin::ImeCompositionRangeChanged(
+    const gfx::Range& range,
+    const std::vector<gfx::Rect>& character_bounds) {
+  composition_range_ = range;
+  composition_character_bounds_ = character_bounds;
+}
+
+void RenderWidgetHostViewWin::Redraw() {
+  RECT damage_bounds;
+  GetUpdateRect(&damage_bounds, FALSE);
+
+  base::win::ScopedGDIObject<HRGN> damage_region(CreateRectRgn(0, 0, 0, 0));
+  GetUpdateRgn(damage_region, FALSE);
+
+  // Paint the invalid region synchronously.  Our caller will not paint again
+  // until we return, so by painting to the screen here, we ensure effective
+  // rate-limiting of backing store updates.  This helps a lot on pages that
+  // have animations or fairly expensive layout (e.g., google maps).
+  //
+  // We paint this window synchronously, however child windows (i.e. plugins)
+  // are painted asynchronously.  By avoiding synchronous cross-process window
+  // message dispatching we allow scrolling to be smooth, and also avoid the
+  // browser process locking up if the plugin process is hung.
+  //
+  RedrawWindow(NULL, damage_region, RDW_UPDATENOW | RDW_NOCHILDREN);
+
+  // Send the invalid rect in screen coordinates.
+  gfx::Rect invalid_screen_rect(damage_bounds);
+  invalid_screen_rect.Offset(GetPixelBounds().OffsetFromOrigin());
+
+  PaintPluginWindowsHelper(m_hWnd, invalid_screen_rect);
+}
+
+void RenderWidgetHostViewWin::DidUpdateBackingStore(
+    const gfx::Rect& scroll_rect,
+    const gfx::Vector2d& scroll_delta,
+    const std::vector<gfx::Rect>& copy_rects,
+    const std::vector<ui::LatencyInfo>& latency_info) {
+  TRACE_EVENT0("content", "RenderWidgetHostViewWin::DidUpdateBackingStore");
+  for (size_t i = 0; i < latency_info.size(); i++)
+    software_latency_info_.push_back(latency_info[i]);
+  if (render_widget_host_->is_hidden())
+    return;
+
+  // Schedule invalidations first so that the ScrollWindowEx call is closer to
+  // Redraw.  That minimizes chances of "flicker" resulting if the screen
+  // refreshes before we have a chance to paint the exposed area.  Somewhat
+  // surprisingly, this ordering matters.
+
+  for (size_t i = 0; i < copy_rects.size(); ++i) {
+    gfx::Rect pixel_rect = gfx::win::DIPToScreenRect(copy_rects[i]);
+    // Damage might not be DIP aligned.
+    pixel_rect.Inset(-1, -1);
+    RECT bounds = pixel_rect.ToRECT();
+    InvalidateRect(&bounds, false);
+  }
+
+  if (!scroll_rect.IsEmpty()) {
+    TRACE_EVENT0("content", "ScrollWindowEx");
+    gfx::Rect pixel_rect = gfx::win::DIPToScreenRect(scroll_rect);
+    // Damage might not be DIP aligned.
+    pixel_rect.Inset(-1, -1);
+    RECT clip_rect = pixel_rect.ToRECT();
+    float scale = gfx::win::GetDeviceScaleFactor();
+    int dx = static_cast<int>(scale * scroll_delta.x());
+    int dy = static_cast<int>(scale * scroll_delta.y());
+    ScrollWindowEx(dx, dy, NULL, &clip_rect, NULL, NULL, SW_INVALIDATE);
+  }
+
+  if (!about_to_validate_and_paint_)
+    Redraw();
+}
+
+void RenderWidgetHostViewWin::RenderProcessGone(base::TerminationStatus status,
+                                                int error_code) {
+  UpdateCursorIfOverSelf();
+  Destroy();
+}
+
+bool RenderWidgetHostViewWin::CanSubscribeFrame() const {
+  return render_widget_host_ != NULL;
+}
+
+void RenderWidgetHostViewWin::WillWmDestroy() {
+  CleanupCompositorWindow();
+  if (base::win::IsTSFAwareRequired())
+    ui::TSFBridge::GetInstance()->RemoveFocusedClient(this);
+}
+
+void RenderWidgetHostViewWin::Destroy() {
+  // We've been told to destroy.
+  // By clearing close_on_deactivate_, we prevent further deactivations
+  // (caused by windows messages resulting from the DestroyWindow) from
+  // triggering further destructions.  The deletion of this is handled by
+  // OnFinalMessage();
+  close_on_deactivate_ = false;
+  render_widget_host_ = NULL;
+  being_destroyed_ = true;
+  CleanupCompositorWindow();
+
+  // This releases the resources associated with input scope.
+  UpdateInputScopeIfNecessary(ui::TEXT_INPUT_TYPE_NONE);
+
+  if (is_fullscreen_ && win8::IsSingleWindowMetroMode()) {
+    MetroCloseFrameWindow close_frame_window =
+        reinterpret_cast<MetroCloseFrameWindow>(
+            ::GetProcAddress(base::win::GetMetroModule(), "CloseFrameWindow"));
+    DCHECK(close_frame_window);
+    close_frame_window(m_hWnd);
+  }
+
+  DestroyWindow();
+}
+
+void RenderWidgetHostViewWin::SetTooltipText(
+    const base::string16& tooltip_text) {
+  if (!render_widget_host_->is_hidden())
+    EnsureTooltip();
+
+  // Clamp the tooltip length to kMaxTooltipLength so that we don't
+  // accidentally DOS the user with a mega tooltip (since Windows doesn't seem
+  // to do this itself).
+  const base::string16 new_tooltip_text =
+      gfx::TruncateString(tooltip_text, kMaxTooltipLength);
+
+  if (new_tooltip_text != tooltip_text_) {
+    tooltip_text_ = new_tooltip_text;
+
+    // Need to check if the tooltip is already showing so that we don't
+    // immediately show the tooltip with no delay when we move the mouse from
+    // a region with no tooltip to a region with a tooltip.
+    if (::IsWindow(tooltip_hwnd_) && tooltip_showing_) {
+      ::SendMessage(tooltip_hwnd_, TTM_POP, 0, 0);
+      ::SendMessage(tooltip_hwnd_, TTM_POPUP, 0, 0);
+    }
+  } else {
+    // Make sure the tooltip gets closed after TTN_POP gets sent. For some
+    // reason this doesn't happen automatically, so moving the mouse around
+    // within the same link/image/etc doesn't cause the tooltip to re-appear.
+    if (!tooltip_showing_) {
+      if (::IsWindow(tooltip_hwnd_))
+        ::SendMessage(tooltip_hwnd_, TTM_POP, 0, 0);
+    }
+  }
+}
+
+BackingStore* RenderWidgetHostViewWin::AllocBackingStore(
+    const gfx::Size& size) {
+  return new BackingStoreWin(render_widget_host_, size);
+}
+
+void RenderWidgetHostViewWin::CopyFromCompositingSurface(
+    const gfx::Rect& src_subrect,
+    const gfx::Size& dst_size,
+    const base::Callback<void(bool, const SkBitmap&)>& callback) {
+  base::ScopedClosureRunner scoped_callback_runner(
+      base::Bind(callback, false, SkBitmap()));
+  if (!accelerated_surface_)
+    return;
+
+  if (dst_size.IsEmpty() || src_subrect.IsEmpty())
+    return;
+
+  ignore_result(scoped_callback_runner.Release());
+  accelerated_surface_->AsyncCopyTo(src_subrect, dst_size, callback);
+}
+
+void RenderWidgetHostViewWin::CopyFromCompositingSurfaceToVideoFrame(
+    const gfx::Rect& src_subrect,
+    const scoped_refptr<media::VideoFrame>& target,
+    const base::Callback<void(bool)>& callback) {
+  base::ScopedClosureRunner scoped_callback_runner(base::Bind(callback, false));
+  if (!accelerated_surface_)
+    return;
+
+  if (!target || (target->format() != media::VideoFrame::YV12 &&
+                  target->format() != media::VideoFrame::I420))
+    return;
+
+  if (src_subrect.IsEmpty())
+    return;
+
+  ignore_result(scoped_callback_runner.Release());
+  accelerated_surface_->AsyncCopyToVideoFrame(src_subrect, target, callback);
+}
+
+bool RenderWidgetHostViewWin::CanCopyToVideoFrame() const {
+  return accelerated_surface_.get() && render_widget_host_ &&
+      render_widget_host_->is_accelerated_compositing_active();
+}
+
+void RenderWidgetHostViewWin::SetBackground(const SkBitmap& background) {
+  RenderWidgetHostViewBase::SetBackground(background);
+  render_widget_host_->SetBackground(background);
+}
+
+void RenderWidgetHostViewWin::ProcessAckedTouchEvent(
+    const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) {
+  DCHECK(touch_events_enabled_);
+
+  ScopedVector<ui::TouchEvent> events;
+  if (!MakeUITouchEventsFromWebTouchEvents(touch, &events, LOCAL_COORDINATES))
+    return;
+
+  ui::EventResult result = (ack_result ==
+      INPUT_EVENT_ACK_STATE_CONSUMED) ? ui::ER_HANDLED : ui::ER_UNHANDLED;
+  for (ScopedVector<ui::TouchEvent>::iterator iter = events.begin(),
+      end = events.end(); iter != end; ++iter)  {
+    scoped_ptr<ui::GestureRecognizer::Gestures> gestures;
+    gestures.reset(gesture_recognizer_->ProcessTouchEventForGesture(
+        *(*iter), result, this));
+    ProcessGestures(gestures.get());
+  }
+}
+
+void RenderWidgetHostViewWin::UpdateDesiredTouchMode() {
+  // Make sure that touch events even make sense.
+  if (base::win::GetVersion() < base::win::VERSION_WIN7)
+    return;
+  if (touch_events_enabled_) {
+    CHECK(RegisterTouchWindow(m_hWnd, TWF_WANTPALM));
+  }
+}
+
+bool RenderWidgetHostViewWin::CanDispatchToConsumer(
+    ui::GestureConsumer* consumer) {
+  CHECK_EQ(static_cast<RenderWidgetHostViewWin*>(consumer), this);
+  return true;
+}
+
+void RenderWidgetHostViewWin::DispatchPostponedGestureEvent(
+    ui::GestureEvent* event) {
+  ForwardGestureEventToRenderer(event);
+}
+
+void RenderWidgetHostViewWin::DispatchCancelTouchEvent(
+    ui::TouchEvent* event) {
+  if (!render_widget_host_ || !touch_events_enabled_ ||
+      !render_widget_host_->ShouldForwardTouchEvent()) {
+    return;
+  }
+  DCHECK(event->type() == blink::WebInputEvent::TouchCancel);
+  blink::WebTouchEvent cancel_event;
+  cancel_event.type = blink::WebInputEvent::TouchCancel;
+  cancel_event.timeStampSeconds = event->time_stamp().InSecondsF();
+  render_widget_host_->ForwardTouchEventWithLatencyInfo(
+      cancel_event, *event->latency());
+}
+
+void RenderWidgetHostViewWin::SetHasHorizontalScrollbar(
+    bool has_horizontal_scrollbar) {
+}
+
+void RenderWidgetHostViewWin::SetScrollOffsetPinning(
+    bool is_pinned_to_left, bool is_pinned_to_right) {
+}
+
+void RenderWidgetHostViewWin::SetCompositionText(
+    const ui::CompositionText& composition) {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return;
+  }
+  if (!render_widget_host_)
+     return;
+  // ui::CompositionUnderline should be identical to
+  // blink::WebCompositionUnderline, so that we can do reinterpret_cast safely.
+  COMPILE_ASSERT(sizeof(ui::CompositionUnderline) ==
+                 sizeof(blink::WebCompositionUnderline),
+                 ui_CompositionUnderline__WebKit_WebCompositionUnderline_diff);
+  const std::vector<blink::WebCompositionUnderline>& underlines =
+      reinterpret_cast<const std::vector<blink::WebCompositionUnderline>&>(
+          composition.underlines);
+  render_widget_host_->ImeSetComposition(composition.text, underlines,
+                                         composition.selection.end(),
+                                         composition.selection.end());
+}
+
+void RenderWidgetHostViewWin::ConfirmCompositionText()  {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+}
+
+void RenderWidgetHostViewWin::ClearCompositionText() {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+}
+
+void RenderWidgetHostViewWin::InsertText(const base::string16& text) {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return;
+  }
+  if (render_widget_host_)
+    render_widget_host_->ImeConfirmComposition(text,
+                                               gfx::Range::InvalidRange(),
+                                               false);
+}
+
+void RenderWidgetHostViewWin::InsertChar(base::char16 ch, int flags) {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+}
+
+gfx::NativeWindow RenderWidgetHostViewWin::GetAttachedWindow() const {
+  return m_hWnd;
+}
+
+ui::TextInputType RenderWidgetHostViewWin::GetTextInputType() const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return ui::TEXT_INPUT_TYPE_NONE;
+  }
+  return text_input_type_;
+}
+
+ui::TextInputMode RenderWidgetHostViewWin::GetTextInputMode() const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return ui::TEXT_INPUT_MODE_DEFAULT;
+  }
+  return text_input_mode_;
+}
+
+bool RenderWidgetHostViewWin::CanComposeInline() const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+  return false;
+}
+
+gfx::Rect RenderWidgetHostViewWin::GetCaretBounds() const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return gfx::Rect(0, 0, 0, 0);
+  }
+  RECT tmp_rect = caret_rect_.ToRECT();
+  ClientToScreen(&tmp_rect);
+  return gfx::Rect(tmp_rect);
+}
+
+bool RenderWidgetHostViewWin::GetCompositionCharacterBounds(
+    uint32 index, gfx::Rect* rect) const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  DCHECK(rect);
+  if (index >= composition_character_bounds_.size())
+    return false;
+  RECT rec = composition_character_bounds_[index].ToRECT();
+  ClientToScreen(&rec);
+  *rect = gfx::Rect(rec);
+  return true;
+}
+
+bool RenderWidgetHostViewWin::HasCompositionText() const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool RenderWidgetHostViewWin::GetTextRange(gfx::Range* range) const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  range->set_start(selection_text_offset_);
+  range->set_end(selection_text_offset_ + selection_text_.length());
+  return false;
+}
+
+bool RenderWidgetHostViewWin::GetCompositionTextRange(gfx::Range* range) const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool RenderWidgetHostViewWin::GetSelectionRange(gfx::Range* range) const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  range->set_start(selection_range_.start());
+  range->set_end(selection_range_.end());
+  return false;
+}
+
+bool RenderWidgetHostViewWin::SetSelectionRange(const gfx::Range& range) {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool RenderWidgetHostViewWin::DeleteRange(const gfx::Range& range) {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool RenderWidgetHostViewWin::GetTextFromRange(const gfx::Range& range,
+                                               base::string16* text) const {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  gfx::Range selection_text_range(selection_text_offset_,
+      selection_text_offset_ + selection_text_.length());
+  if (!selection_text_range.Contains(range)) {
+    text->clear();
+    return false;
+  }
+  if (selection_text_range.EqualsIgnoringDirection(range)) {
+    *text = selection_text_;
+  } else {
+    *text = selection_text_.substr(
+        range.GetMin() - selection_text_offset_,
+        range.length());
+  }
+  return true;
+}
+
+void RenderWidgetHostViewWin::OnInputMethodChanged() {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+}
+
+bool RenderWidgetHostViewWin::ChangeTextDirectionAndLayoutAlignment(
+      base::i18n::TextDirection direction) {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return false;
+  }
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void RenderWidgetHostViewWin::ExtendSelectionAndDelete(
+    size_t before,
+    size_t after) {
+  if (!base::win::IsTSFAwareRequired()) {
+    NOTREACHED();
+    return;
+  }
+  if (!render_widget_host_)
+    return;
+  render_widget_host_->ExtendSelectionAndDelete(before, after);
+}
+
+void RenderWidgetHostViewWin::EnsureCaretInRect(const gfx::Rect& rect) {
+  // TODO(nona): Implement this function.
+  NOTIMPLEMENTED();
+}
+
+void RenderWidgetHostViewWin::OnCandidateWindowShown() {
+}
+
+void RenderWidgetHostViewWin::OnCandidateWindowUpdated() {
+}
+
+void RenderWidgetHostViewWin::OnCandidateWindowHidden() {
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// RenderWidgetHostViewWin, private:
+
+LRESULT RenderWidgetHostViewWin::OnCreate(CREATESTRUCT* create_struct) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnCreate");
+  // Call the WM_INPUTLANGCHANGE message handler to initialize the input locale
+  // of a browser process.
+  OnInputLangChange(0, 0);
+  // Marks that window as supporting mouse-wheel messages rerouting so it is
+  // scrolled when under the mouse pointer even if inactive.
+  props_.push_back(ui::SetWindowSupportsRerouteMouseWheel(m_hWnd));
+
+  WTSRegisterSessionNotification(m_hWnd, NOTIFY_FOR_THIS_SESSION);
+
+  UpdateDesiredTouchMode();
+  UpdateIMEState();
+
+  return 0;
+}
+
+void RenderWidgetHostViewWin::OnActivate(UINT action, BOOL minimized,
+                                         HWND window) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnActivate");
+  // If the container is a popup, clicking elsewhere on screen should close the
+  // popup.
+  if (close_on_deactivate_ && action == WA_INACTIVE) {
+    // Send a windows message so that any derived classes
+    // will get a change to override the default handling
+    SendMessage(WM_CANCELMODE);
+  }
+}
+
+void RenderWidgetHostViewWin::OnDestroy() {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnDestroy");
+  DetachPluginsHelper(m_hWnd);
+
+  props_.clear();
+
+  if (base::win::GetVersion() >= base::win::VERSION_WIN7 &&
+      IsTouchWindow(m_hWnd, NULL)) {
+    UnregisterTouchWindow(m_hWnd);
+  }
+
+  CleanupCompositorWindow();
+
+  WTSUnRegisterSessionNotification(m_hWnd);
+
+  ResetTooltip();
+  TrackMouseLeave(false);
+}
+
+void RenderWidgetHostViewWin::OnPaint(HDC unused_dc) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnPaint");
+
+  // Grab the region to paint before creation of paint_dc since it clears the
+  // damage region.
+  base::win::ScopedGDIObject<HRGN> damage_region(CreateRectRgn(0, 0, 0, 0));
+  GetUpdateRgn(damage_region, FALSE);
+
+  CPaintDC paint_dc(m_hWnd);
+
+  if (!render_widget_host_)
+    return;
+
+  DCHECK(render_widget_host_->GetProcess()->HasConnection());
+
+  // If the GPU process is rendering to a child window, compositing is
+  // already triggered by damage to compositor_host_window_, so all we need to
+  // do here is clear borders during resize.
+  if (compositor_host_window_ &&
+      render_widget_host_->is_accelerated_compositing_active()) {
+    RECT host_rect, child_rect;
+    GetClientRect(&host_rect);
+    if (::GetClientRect(compositor_host_window_, &child_rect) &&
+        (child_rect.right < host_rect.right ||
+         child_rect.bottom < host_rect.bottom)) {
+      paint_dc.FillRect(&host_rect,
+          reinterpret_cast<HBRUSH>(GetStockObject(WHITE_BRUSH)));
+    }
+    return;
+  }
+
+  if (accelerated_surface_.get() &&
+      render_widget_host_->is_accelerated_compositing_active()) {
+    AcceleratedPaint(paint_dc.m_hDC);
+    return;
+  }
+
+  about_to_validate_and_paint_ = true;
+  BackingStoreWin* backing_store = static_cast<BackingStoreWin*>(
+      render_widget_host_->GetBackingStore(true));
+
+  // We initialize |paint_dc| (and thus call BeginPaint()) after calling
+  // GetBackingStore(), so that if it updates the invalid rect we'll catch the
+  // changes and repaint them.
+  about_to_validate_and_paint_ = false;
+
+  if (compositor_host_window_ && hide_compositor_window_at_next_paint_) {
+    ::ShowWindow(compositor_host_window_, SW_HIDE);
+    hide_compositor_window_at_next_paint_ = false;
+  }
+
+  gfx::Rect damaged_rect(paint_dc.m_ps.rcPaint);
+  if (damaged_rect.IsEmpty())
+    return;
+
+  if (backing_store) {
+    gfx::Rect bitmap_rect(gfx::Point(),
+                          gfx::win::DIPToScreenSize(backing_store->size()));
+
+    bool manage_colors = BackingStoreWin::ColorManagementEnabled();
+    if (manage_colors)
+      SetICMMode(paint_dc.m_hDC, ICM_ON);
+
+    // Blit only the damaged regions from the backing store.
+    DWORD data_size = GetRegionData(damage_region, 0, NULL);
+    scoped_ptr<char[]> region_data_buf;
+    RGNDATA* region_data = NULL;
+    RECT* region_rects = NULL;
+
+    if (data_size) {
+      region_data_buf.reset(new char[data_size]);
+      region_data = reinterpret_cast<RGNDATA*>(region_data_buf.get());
+      region_rects = reinterpret_cast<RECT*>(region_data->Buffer);
+      data_size = GetRegionData(damage_region, data_size, region_data);
+    }
+
+    if (!data_size) {
+      // Grabbing the damaged regions failed, fake with the whole rect.
+      data_size = sizeof(RGNDATAHEADER) + sizeof(RECT);
+      region_data_buf.reset(new char[data_size]);
+      region_data = reinterpret_cast<RGNDATA*>(region_data_buf.get());
+      region_rects = reinterpret_cast<RECT*>(region_data->Buffer);
+      region_data->rdh.nCount = 1;
+      region_rects[0] = damaged_rect.ToRECT();
+    }
+
+    for (DWORD i = 0; i < region_data->rdh.nCount; ++i) {
+      gfx::Rect paint_rect =
+          gfx::IntersectRects(bitmap_rect, gfx::Rect(region_rects[i]));
+      if (!paint_rect.IsEmpty()) {
+        BitBlt(paint_dc.m_hDC,
+               paint_rect.x(),
+               paint_rect.y(),
+               paint_rect.width(),
+               paint_rect.height(),
+               backing_store->hdc(),
+               paint_rect.x(),
+               paint_rect.y(),
+               SRCCOPY);
+      }
+    }
+
+    if (manage_colors)
+      SetICMMode(paint_dc.m_hDC, ICM_OFF);
+
+    // Fill the remaining portion of the damaged_rect with the background
+    if (damaged_rect.right() > bitmap_rect.right()) {
+      RECT r;
+      r.left = std::max(bitmap_rect.right(), damaged_rect.x());
+      r.right = damaged_rect.right();
+      r.top = damaged_rect.y();
+      r.bottom = std::min(bitmap_rect.bottom(), damaged_rect.bottom());
+      DrawBackground(r, &paint_dc);
+    }
+    if (damaged_rect.bottom() > bitmap_rect.bottom()) {
+      RECT r;
+      r.left = damaged_rect.x();
+      r.right = damaged_rect.right();
+      r.top = std::max(bitmap_rect.bottom(), damaged_rect.y());
+      r.bottom = damaged_rect.bottom();
+      DrawBackground(r, &paint_dc);
+    }
+    if (!whiteout_start_time_.is_null()) {
+      TimeDelta whiteout_duration = TimeTicks::Now() - whiteout_start_time_;
+      UMA_HISTOGRAM_TIMES("MPArch.RWHH_WhiteoutDuration", whiteout_duration);
+
+      // Reset the start time to 0 so that we start recording again the next
+      // time the backing store is NULL...
+      whiteout_start_time_ = TimeTicks();
+    }
+    if (!web_contents_switch_paint_time_.is_null()) {
+      TimeDelta web_contents_switch_paint_duration = TimeTicks::Now() -
+          web_contents_switch_paint_time_;
+      UMA_HISTOGRAM_TIMES("MPArch.RWH_TabSwitchPaintDuration",
+          web_contents_switch_paint_duration);
+      // Reset contents_switch_paint_time_ to 0 so future tab selections are
+      // recorded.
+      web_contents_switch_paint_time_ = TimeTicks();
+    }
+
+    for (size_t i = 0; i < software_latency_info_.size(); i++) {
+      software_latency_info_[i].AddLatencyNumber(
+          ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 0, 0);
+      render_widget_host_->FrameSwapped(software_latency_info_[i]);
+    }
+    software_latency_info_.clear();
+  } else {
+    DrawBackground(paint_dc.m_ps.rcPaint, &paint_dc);
+    if (whiteout_start_time_.is_null())
+      whiteout_start_time_ = TimeTicks::Now();
+  }
+}
+
+void RenderWidgetHostViewWin::DrawBackground(const RECT& dirty_rect,
+                                             CPaintDC* dc) {
+  if (!background_.empty()) {
+    gfx::Rect dirty_area(dirty_rect);
+    gfx::Canvas canvas(dirty_area.size(), 1.0f, true);
+    canvas.Translate(-dirty_area.OffsetFromOrigin());
+
+    gfx::Rect dc_rect(dc->m_ps.rcPaint);
+    // TODO(pkotwicz): Fix |background_| such that it is an ImageSkia.
+    canvas.TileImageInt(gfx::ImageSkia::CreateFrom1xBitmap(background_),
+                        0, 0, dc_rect.width(), dc_rect.height());
+
+    skia::DrawToNativeContext(canvas.sk_canvas(), *dc, dirty_area.x(),
+                              dirty_area.y(), NULL);
+  } else {
+    HBRUSH white_brush = reinterpret_cast<HBRUSH>(GetStockObject(WHITE_BRUSH));
+    dc->FillRect(&dirty_rect, white_brush);
+  }
+}
+
+void RenderWidgetHostViewWin::OnNCPaint(HRGN update_region) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnNCPaint");
+  // Do nothing.  This suppresses the resize corner that Windows would
+  // otherwise draw for us.
+}
+
+void RenderWidgetHostViewWin::SetClickthroughRegion(SkRegion* region) {
+  transparent_region_.reset(region);
+}
+
+LRESULT RenderWidgetHostViewWin::OnNCHitTest(const CPoint& point) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnNCHitTest");
+  RECT rc;
+  GetWindowRect(&rc);
+  if (transparent_region_.get() &&
+      transparent_region_->contains(point.x - rc.left, point.y - rc.top)) {
+    SetMsgHandled(TRUE);
+    return HTTRANSPARENT;
+  }
+  SetMsgHandled(FALSE);
+  return 0;
+}
+
+LRESULT RenderWidgetHostViewWin::OnEraseBkgnd(HDC dc) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnEraseBkgnd");
+  return 1;
+}
+
+LRESULT RenderWidgetHostViewWin::OnSetCursor(HWND window, UINT hittest_code,
+                                             UINT mouse_message_id) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnSetCursor");
+  UpdateCursorIfOverSelf();
+  return 0;
+}
+
+void RenderWidgetHostViewWin::OnSetFocus(HWND window) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnSetFocus");
+  if (!render_widget_host_)
+    return;
+
+  if (GetBrowserAccessibilityManager())
+    GetBrowserAccessibilityManager()->GotFocus(pointer_down_context_);
+
+  render_widget_host_->GotFocus();
+  render_widget_host_->SetActive(true);
+
+  if (base::win::IsTSFAwareRequired())
+    ui::TSFBridge::GetInstance()->SetFocusedClient(m_hWnd, this);
+}
+
+void RenderWidgetHostViewWin::OnKillFocus(HWND window) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnKillFocus");
+  if (!render_widget_host_)
+    return;
+
+  render_widget_host_->SetActive(false);
+  render_widget_host_->Blur();
+
+  last_touch_location_ = gfx::Point(-1, -1);
+
+  if (base::win::IsTSFAwareRequired())
+    ui::TSFBridge::GetInstance()->RemoveFocusedClient(this);
+}
+
+void RenderWidgetHostViewWin::OnCaptureChanged(HWND window) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnCaptureChanged");
+  if (render_widget_host_)
+    render_widget_host_->LostCapture();
+  pointer_down_context_ = false;
+}
+
+void RenderWidgetHostViewWin::OnCancelMode() {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnCancelMode");
+  if (render_widget_host_)
+    render_widget_host_->LostCapture();
+
+  if ((is_fullscreen_ || close_on_deactivate_) &&
+      !weak_factory_.HasWeakPtrs()) {
+    // Dismiss popups and menus.  We do this asynchronously to avoid changing
+    // activation within this callstack, which may interfere with another window
+    // being activated.  We can synchronously hide the window, but we need to
+    // not change activation while doing so.
+    SetWindowPos(NULL, 0, 0, 0, 0,
+                 SWP_HIDEWINDOW | SWP_NOACTIVATE | SWP_NOMOVE |
+                 SWP_NOREPOSITION | SWP_NOSIZE | SWP_NOZORDER);
+    base::MessageLoop::current()->PostTask(
+        FROM_HERE,
+        base::Bind(&RenderWidgetHostViewWin::ShutdownHost,
+                   weak_factory_.GetWeakPtr()));
+  }
+}
+
+void RenderWidgetHostViewWin::OnInputLangChange(DWORD character_set,
+                                                HKL input_language_id) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnInputLangChange");
+  // Send the given Locale ID to the IMM32Manager object and retrieves whether
+  // or not the current input context has IMEs.
+  // If the current input context has IMEs, a browser process has to send a
+  // request to a renderer process that it needs status messages about
+  // the focused edit control from the renderer process.
+  // On the other hand, if the current input context does not have IMEs, the
+  // browser process also has to send a request to the renderer process that
+  // it does not need the status messages any longer.
+  // To minimize the number of this notification request, we should check if
+  // the browser process is actually retrieving the status messages (this
+  // state is stored in ime_notification_) and send a request only if the
+  // browser process has to update this status, its details are listed below:
+  // * If a browser process is not retrieving the status messages,
+  //   (i.e. ime_notification_ == false),
+  //   send this request only if the input context does have IMEs,
+  //   (i.e. ime_status == true);
+  //   When it successfully sends the request, toggle its notification status,
+  //   (i.e.ime_notification_ = !ime_notification_ = true).
+  // * If a browser process is retrieving the status messages
+  //   (i.e. ime_notification_ == true),
+  //   send this request only if the input context does not have IMEs,
+  //   (i.e. ime_status == false).
+  //   When it successfully sends the request, toggle its notification status,
+  //   (i.e.ime_notification_ = !ime_notification_ = false).
+  // To analyze the above actions, we can optimize them into the ones
+  // listed below:
+  // 1 Sending a request only if ime_status_ != ime_notification_, and;
+  // 2 Copying ime_status to ime_notification_ if it sends the request
+  //   successfully (because Action 1 shows ime_status = !ime_notification_.)
+  bool ime_status = imm32_manager_->SetInputLanguage();
+  if (ime_status != ime_notification_) {
+    if (render_widget_host_) {
+      render_widget_host_->SetInputMethodActive(ime_status);
+      ime_notification_ = ime_status;
+    }
+  }
+  // Call DefWindowProc() for consistency with other Chrome windows.
+  // TODO(hbono): This is a speculative fix for Bug 36354 and this code may be
+  // reverted if it does not fix it.
+  SetMsgHandled(FALSE);
+}
+
+void RenderWidgetHostViewWin::OnThemeChanged() {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnThemeChanged");
+  if (!render_widget_host_)
+    return;
+  render_widget_host_->Send(new ViewMsg_ThemeChanged(
+      render_widget_host_->GetRoutingID()));
+}
+
+LRESULT RenderWidgetHostViewWin::OnNotify(int w_param, NMHDR* header) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnNotify");
+  if (tooltip_hwnd_ == NULL)
+    return 0;
+
+  switch (header->code) {
+    case TTN_GETDISPINFO: {
+      NMTTDISPINFOW* tooltip_info = reinterpret_cast<NMTTDISPINFOW*>(header);
+      tooltip_info->szText[0] = L'\0';
+      tooltip_info->lpszText = const_cast<WCHAR*>(tooltip_text_.c_str());
+      ::SendMessage(
+        tooltip_hwnd_, TTM_SETMAXTIPWIDTH, 0, kTooltipMaxWidthPixels);
+      SetMsgHandled(TRUE);
+      break;
+    }
+    case TTN_POP:
+      tooltip_showing_ = false;
+      SetMsgHandled(TRUE);
+      break;
+    case TTN_SHOW:
+      // Tooltip shouldn't be shown when the mouse is locked.
+      DCHECK(!mouse_locked_);
+      tooltip_showing_ = true;
+      SetMsgHandled(TRUE);
+      break;
+  }
+  return 0;
+}
+
+LRESULT RenderWidgetHostViewWin::OnImeSetContext(
+    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnImeSetContext");
+  if (!render_widget_host_)
+    return 0;
+
+  // We need status messages about the focused input control from a
+  // renderer process when:
+  //   * the current input context has IMEs, and;
+  //   * an application is activated.
+  // This seems to tell we should also check if the current input context has
+  // IMEs before sending a request, however, this WM_IME_SETCONTEXT is
+  // fortunately sent to an application only while the input context has IMEs.
+  // Therefore, we just start/stop status messages according to the activation
+  // status of this application without checks.
+  bool activated = (wparam == TRUE);
+  if (render_widget_host_) {
+    render_widget_host_->SetInputMethodActive(activated);
+    ime_notification_ = activated;
+  }
+
+  if (ime_notification_)
+    imm32_manager_->CreateImeWindow(m_hWnd);
+
+  imm32_manager_->CleanupComposition(m_hWnd);
+  return imm32_manager_->SetImeWindowStyle(
+      m_hWnd, message, wparam, lparam, &handled);
+}
+
+LRESULT RenderWidgetHostViewWin::OnImeStartComposition(
+    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnImeStartComposition");
+  if (!render_widget_host_)
+    return 0;
+
+  // Reset the composition status and create IME windows.
+  imm32_manager_->CreateImeWindow(m_hWnd);
+  imm32_manager_->ResetComposition(m_hWnd);
+  // When the focus is on an element that does not draw composition by itself
+  // (i.e., PPAPI plugin not handling IME), let IME to draw the text. Otherwise
+  // we have to prevent WTL from calling ::DefWindowProc() because the function
+  // calls ::ImmSetCompositionWindow() and ::ImmSetCandidateWindow() to
+  // over-write the position of IME windows.
+  handled = (can_compose_inline_ ? TRUE : FALSE);
+  return 0;
+}
+
+LRESULT RenderWidgetHostViewWin::OnImeComposition(
+    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnImeComposition");
+  if (!render_widget_host_)
+    return 0;
+
+  // At first, update the position of the IME window.
+  imm32_manager_->UpdateImeWindow(m_hWnd);
+
+  // ui::CompositionUnderline should be identical to
+  // blink::WebCompositionUnderline, so that we can do reinterpret_cast safely.
+  COMPILE_ASSERT(sizeof(ui::CompositionUnderline) ==
+                 sizeof(blink::WebCompositionUnderline),
+                 ui_CompositionUnderline__WebKit_WebCompositionUnderline_diff);
+
+  // Retrieve the result string and its attributes of the ongoing composition
+  // and send it to a renderer process.
+  ui::CompositionText composition;
+  if (imm32_manager_->GetResult(m_hWnd, lparam, &composition.text)) {
+    render_widget_host_->ImeConfirmComposition(
+        composition.text, gfx::Range::InvalidRange(), false);
+    imm32_manager_->ResetComposition(m_hWnd);
+    // Fall though and try reading the composition string.
+    // Japanese IMEs send a message containing both GCS_RESULTSTR and
+    // GCS_COMPSTR, which means an ongoing composition has been finished
+    // by the start of another composition.
+  }
+  // Retrieve the composition string and its attributes of the ongoing
+  // composition and send it to a renderer process.
+  if (imm32_manager_->GetComposition(m_hWnd, lparam, &composition)) {
+    // TODO(suzhe): due to a bug of webkit, we can't use selection range with
+    // composition string. See: https://bugs.webkit.org/show_bug.cgi?id=37788
+    composition.selection = gfx::Range(composition.selection.end());
+
+    // TODO(suzhe): convert both renderer_host and renderer to use
+    // ui::CompositionText.
+    const std::vector<blink::WebCompositionUnderline>& underlines =
+        reinterpret_cast<const std::vector<blink::WebCompositionUnderline>&>(
+            composition.underlines);
+    render_widget_host_->ImeSetComposition(
+        composition.text, underlines,
+        composition.selection.start(), composition.selection.end());
+  }
+  // We have to prevent WTL from calling ::DefWindowProc() because we do not
+  // want for the IMM (Input Method Manager) to send WM_IME_CHAR messages.
+  handled = TRUE;
+  if (!can_compose_inline_) {
+    // When the focus is on an element that does not draw composition by itself
+    // (i.e., PPAPI plugin not handling IME), let IME to draw the text, which
+    // is the default behavior of DefWindowProc. Note, however, even in this
+    // case we don't want GCS_RESULTSTR to be converted to WM_IME_CHAR messages.
+    // Thus we explicitly drop the flag.
+    return ::DefWindowProc(m_hWnd, message, wparam, lparam & ~GCS_RESULTSTR);
+  }
+  return 0;
+}
+
+LRESULT RenderWidgetHostViewWin::OnImeEndComposition(
+    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnImeEndComposition");
+  if (!render_widget_host_)
+    return 0;
+
+  if (imm32_manager_->is_composing()) {
+    // A composition has been ended while there is an ongoing composition,
+    // i.e. the ongoing composition has been canceled.
+    // We need to reset the composition status both of the IMM32Manager object
+    // and of the renderer process.
+    render_widget_host_->ImeCancelComposition();
+    imm32_manager_->ResetComposition(m_hWnd);
+  }
+  imm32_manager_->DestroyImeWindow(m_hWnd);
+  // Let WTL call ::DefWindowProc() and release its resources.
+  handled = FALSE;
+  return 0;
+}
+
+LRESULT RenderWidgetHostViewWin::OnImeRequest(
+    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnImeRequest");
+  if (!render_widget_host_) {
+    handled = FALSE;
+    return 0;
+  }
+
+  // Should not receive WM_IME_REQUEST message, if IME is disabled.
+  if (text_input_type_ == ui::TEXT_INPUT_TYPE_NONE ||
+      text_input_type_ == ui::TEXT_INPUT_TYPE_PASSWORD) {
+    handled = FALSE;
+    return 0;
+  }
+
+  switch (wparam) {
+    case IMR_RECONVERTSTRING:
+      return OnReconvertString(reinterpret_cast<RECONVERTSTRING*>(lparam));
+    case IMR_DOCUMENTFEED:
+      return OnDocumentFeed(reinterpret_cast<RECONVERTSTRING*>(lparam));
+    case IMR_QUERYCHARPOSITION:
+      return OnQueryCharPosition(reinterpret_cast<IMECHARPOSITION*>(lparam));
+    default:
+      handled = FALSE;
+      return 0;
+  }
+}
+
+LRESULT RenderWidgetHostViewWin::OnMouseEvent(UINT message, WPARAM wparam,
+                                              LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnMouseEvent");
+  handled = TRUE;
+
+  if (message == WM_MOUSELEAVE)
+    ignore_mouse_movement_ = true;
+
+  if (mouse_locked_) {
+    HandleLockedMouseEvent(message, wparam, lparam);
+    MoveCursorToCenterIfNecessary();
+    return 0;
+  }
+
+  if (::IsWindow(tooltip_hwnd_)) {
+    // Forward mouse events through to the tooltip window
+    MSG msg;
+    msg.hwnd = m_hWnd;
+    msg.message = message;
+    msg.wParam = wparam;
+    msg.lParam = lparam;
+    SendMessage(tooltip_hwnd_, TTM_RELAYEVENT, NULL,
+                reinterpret_cast<LPARAM>(&msg));
+  }
+
+  // Due to a bug in Windows, the simulated mouse events for a touch event
+  // outside our bounds are delivered to us if we were previously focused
+  // causing crbug.com/159982. As a workaround, we check if this event is a
+  // simulated mouse event outside our bounds, and if so, we send it to the
+  // right window.
+  if ((message == WM_LBUTTONDOWN || message == WM_LBUTTONUP) &&
+      ui::IsMouseEventFromTouch(message)) {
+    CPoint cursor_pos(GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam));
+    ClientToScreen(&cursor_pos);
+    if (!GetPixelBounds().Contains(cursor_pos.x, cursor_pos.y)) {
+      HWND window = WindowFromPoint(cursor_pos);
+      if (window) {
+        LRESULT nc_hit_result = SendMessage(window, WM_NCHITTEST, 0,
+            MAKELPARAM(cursor_pos.x, cursor_pos.y));
+        const bool in_client_area = (nc_hit_result == HTCLIENT);
+        int event_type;
+        if (message == WM_LBUTTONDOWN)
+          event_type = in_client_area ? WM_LBUTTONDOWN : WM_NCLBUTTONDOWN;
+        else
+          event_type = in_client_area ? WM_LBUTTONUP : WM_NCLBUTTONUP;
+
+        // Convert the coordinates to the target window.
+        RECT window_bounds;
+        ::GetWindowRect(window, &window_bounds);
+        int window_x = cursor_pos.x - window_bounds.left;
+        int window_y = cursor_pos.y - window_bounds.top;
+        if (in_client_area) {
+          ::PostMessage(window, event_type, wparam,
+              MAKELPARAM(window_x, window_y));
+        } else {
+          ::PostMessage(window, event_type, nc_hit_result,
+              MAKELPARAM(cursor_pos.x, cursor_pos.y));
+        }
+        return 0;
+      }
+    }
+  }
+
+  // TODO(jcampan): I am not sure if we should forward the message to the
+  // WebContentsImpl first in the case of popups.  If we do, we would need to
+  // convert the click from the popup window coordinates to the WebContentsImpl'
+  // window coordinates. For now we don't forward the message in that case to
+  // address bug #907474.
+  // Note: GetParent() on popup windows returns the top window and not the
+  // parent the window was created with (the parent and the owner of the popup
+  // is the first non-child view of the view that was specified to the create
+  // call).  So the WebContentsImpl's window would have to be specified to the
+  // RenderViewHostHWND as there is no way to retrieve it from the HWND.
+
+  // Don't forward if the container is a popup or fullscreen widget.
+  if (!is_fullscreen_ && !close_on_deactivate_) {
+    switch (message) {
+      case WM_LBUTTONDOWN:
+      case WM_MBUTTONDOWN:
+      case WM_RBUTTONDOWN:
+        // Finish the ongoing composition whenever a mouse click happens.
+        // It matches IE's behavior.
+        if (base::win::IsTSFAwareRequired()) {
+          ui::TSFBridge::GetInstance()->CancelComposition();
+        } else {
+          imm32_manager_->CleanupComposition(m_hWnd);
+        }
+        // Fall through.
+      case WM_MOUSEMOVE:
+      case WM_MOUSELEAVE: {
+        // Give the WebContentsImpl first crack at the message. It may want to
+        // prevent forwarding to the renderer if some higher level browser
+        // functionality is invoked.
+        LPARAM parent_msg_lparam = lparam;
+        if (message != WM_MOUSELEAVE) {
+          // For the messages except WM_MOUSELEAVE, before forwarding them to
+          // parent window, we should adjust cursor position from client
+          // coordinates in current window to client coordinates in its parent
+          // window.
+          CPoint cursor_pos(GET_X_LPARAM(lparam), GET_Y_LPARAM(lparam));
+          ClientToScreen(&cursor_pos);
+          GetParent().ScreenToClient(&cursor_pos);
+          parent_msg_lparam = MAKELPARAM(cursor_pos.x, cursor_pos.y);
+        }
+        if (SendMessage(GetParent(), message, wparam, parent_msg_lparam) != 0) {
+          TRACE_EVENT0("browser", "EarlyOut_SentToParent");
+          return 1;
+        }
+      }
+    }
+  }
+
+  if (message == WM_LBUTTONDOWN && pointer_down_context_ &&
+      GetBrowserAccessibilityManager()) {
+    GetBrowserAccessibilityManager()->GotMouseDown();
+  }
+
+  if (message == WM_LBUTTONUP && ui::IsMouseEventFromTouch(message) &&
+      base::win::IsMetroProcess())
+    pointer_down_context_ = false;
+
+  ForwardMouseEventToRenderer(message, wparam, lparam);
+  return 0;
+}
+
+LRESULT RenderWidgetHostViewWin::OnKeyEvent(UINT message, WPARAM wparam,
+                                            LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnKeyEvent");
+  handled = TRUE;
+
+  // When Escape is pressed, force fullscreen windows to close if necessary.
+  if ((message == WM_KEYDOWN || message == WM_KEYUP) && wparam == VK_ESCAPE) {
+    if (is_fullscreen_) {
+      SendMessage(WM_CANCELMODE);
+      return 0;
+    }
+  }
+
+  // If we are a pop-up, forward tab related messages to our parent HWND, so
+  // that we are dismissed appropriately and so that the focus advance in our
+  // parent.
+  // TODO(jcampan): http://b/issue?id=1192881 Could be abstracted in the
+  //                FocusManager.
+  if (close_on_deactivate_ &&
+      (((message == WM_KEYDOWN || message == WM_KEYUP) && (wparam == VK_TAB)) ||
+        (message == WM_CHAR && wparam == L'\t'))) {
+    // First close the pop-up.
+    SendMessage(WM_CANCELMODE);
+    // Then move the focus by forwarding the tab key to the parent.
+    return ::SendMessage(GetParent(), message, wparam, lparam);
+  }
+
+  if (!render_widget_host_)
+    return 0;
+
+  // Bug 1845: we need to update the text direction when a user releases
+  // either a right-shift key or a right-control key after pressing both of
+  // them. So, we just update the text direction while a user is pressing the
+  // keys, and we notify the text direction when a user releases either of them.
+  // Bug 9718: http://crbug.com/9718 To investigate IE and notepad, this
+  // shortcut is enabled only on a PC having RTL keyboard layouts installed.
+  // We should emulate them.
+  if (ui::IMM32Manager::IsRTLKeyboardLayoutInstalled()) {
+    if (message == WM_KEYDOWN) {
+      if (wparam == VK_SHIFT) {
+        base::i18n::TextDirection dir;
+        if (ui::IMM32Manager::IsCtrlShiftPressed(&dir)) {
+          render_widget_host_->UpdateTextDirection(
+              dir == base::i18n::RIGHT_TO_LEFT ?
+              blink::WebTextDirectionRightToLeft :
+              blink::WebTextDirectionLeftToRight);
+        }
+      } else if (wparam != VK_CONTROL) {
+        // Bug 9762: http://crbug.com/9762 A user pressed a key except shift
+        // and control keys.
+        // When a user presses a key while he/she holds control and shift keys,
+        // we cancel sending an IPC message in NotifyTextDirection() below and
+        // ignore succeeding UpdateTextDirection() calls while we call
+        // NotifyTextDirection().
+        // To cancel it, this call set a flag that prevents sending an IPC
+        // message in NotifyTextDirection() only if we are going to send it.
+        // It is harmless to call this function if we aren't going to send it.
+        render_widget_host_->CancelUpdateTextDirection();
+      }
+    } else if (message == WM_KEYUP &&
+               (wparam == VK_SHIFT || wparam == VK_CONTROL)) {
+      // We send an IPC message only if we need to update the text direction.
+      render_widget_host_->NotifyTextDirection();
+    }
+  }
+
+  // Special processing for enter key: When user hits enter in omnibox
+  // we change focus to render host after the navigation, so repeat WM_KEYDOWNs
+  // and WM_KEYUP are going to render host, despite being initiated in other
+  // window. This code filters out these messages.
+  bool ignore_keyboard_event = false;
+  if (wparam == VK_RETURN) {
+    if (message == WM_KEYDOWN || message == WM_SYSKEYDOWN) {
+      if (KF_REPEAT & HIWORD(lparam)) {
+        // this is a repeated key
+        if (!capture_enter_key_)
+          ignore_keyboard_event = true;
+      } else {
+        capture_enter_key_ = true;
+      }
+    } else if (message == WM_KEYUP || message == WM_SYSKEYUP) {
+      if (!capture_enter_key_)
+        ignore_keyboard_event = true;
+      capture_enter_key_ = false;
+    } else {
+      // Ignore all other keyboard events for the enter key if not captured.
+      if (!capture_enter_key_)
+        ignore_keyboard_event = true;
+    }
+  }
+
+  if (render_widget_host_ && !ignore_keyboard_event) {
+    MSG msg = { m_hWnd, message, wparam, lparam };
+    render_widget_host_->ForwardKeyboardEvent(NativeWebKeyboardEvent(msg));
+  }
+
+  return 0;
+}
+
+LRESULT RenderWidgetHostViewWin::OnWheelEvent(UINT message, WPARAM wparam,
+                                              LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnWheelEvent");
+  // Forward the mouse-wheel message to the window under the mouse if it belongs
+  // to us.
+  if (message == WM_MOUSEWHEEL &&
+      ui::RerouteMouseWheel(m_hWnd, wparam, lparam)) {
+    handled = TRUE;
+    return 0;
+  }
+
+  // We get mouse wheel/scroll messages even if we are not in the foreground.
+  // So here we check if we have any owned popup windows in the foreground and
+  // dismiss them.
+  if (m_hWnd != GetForegroundWindow()) {
+    HWND toplevel_hwnd = ::GetAncestor(m_hWnd, GA_ROOT);
+    EnumThreadWindows(
+        GetCurrentThreadId(),
+        DismissOwnedPopups,
+        reinterpret_cast<LPARAM>(toplevel_hwnd));
+  }
+
+  if (render_widget_host_) {
+    blink::WebMouseWheelEvent wheel_event =
+        WebMouseWheelEventBuilder::Build(m_hWnd, message, wparam, lparam);
+    float scale = gfx::win::GetDeviceScaleFactor();
+    wheel_event.x /= scale;
+    wheel_event.y /= scale;
+    wheel_event.deltaX /= scale;
+    wheel_event.deltaY /= scale;
+
+    render_widget_host_->ForwardWheelEvent(wheel_event);
+  }
+  handled = TRUE;
+  return 0;
+}
+
+WebTouchState::WebTouchState(const RenderWidgetHostViewWin* window)
+    : window_(window),
+      id_generator_(0) {
+}
+
+size_t WebTouchState::UpdateTouchPoints(
+    TOUCHINPUT* points, size_t count) {
+  // First we reset all touch event state. This involves removing any released
+  // touchpoints and marking the rest as stationary. After that we go through
+  // and alter/add any touchpoints (from the touch input buffer) that we can
+  // coalesce into a single message. The return value is the number of consumed
+  // input message.
+  blink::WebTouchPoint* point = touch_event_.touches;
+  blink::WebTouchPoint* end = point + touch_event_.touchesLength;
+  while (point < end) {
+    if (point->state == blink::WebTouchPoint::StateReleased) {
+      *point = *(--end);
+      --touch_event_.touchesLength;
+    } else {
+      point->state = blink::WebTouchPoint::StateStationary;
+      point++;
+    }
+  }
+  touch_event_.changedTouchesLength = 0;
+  touch_event_.modifiers = content::EventFlagsToWebEventModifiers(
+      ui::GetModifiersFromKeyState());
+
+  // Consume all events of the same type and add them to the changed list.
+  int last_type = 0;
+  for (size_t i = 0; i < count; ++i) {
+    unsigned int mapped_id = GetMappedTouch(points[i].dwID);
+
+    blink::WebTouchPoint* point = NULL;
+    for (unsigned j = 0; j < touch_event_.touchesLength; ++j) {
+      if (static_cast<DWORD>(touch_event_.touches[j].id) == mapped_id) {
+        point =  &touch_event_.touches[j];
+        break;
+      }
+    }
+
+    // Use a move instead if we see a down on a point we already have.
+    int type = GetTouchType(points[i]);
+    if (point && type == TOUCHEVENTF_DOWN)
+      SetTouchType(&points[i], TOUCHEVENTF_MOVE);
+
+    // Stop processing when the event type changes.
+    if (touch_event_.changedTouchesLength && type != last_type)
+      return i;
+
+    touch_event_.timeStampSeconds = points[i].dwTime / 1000.0;
+
+    last_type = type;
+    switch (type) {
+      case TOUCHEVENTF_DOWN: {
+        if (!(point = AddTouchPoint(&points[i])))
+          continue;
+        touch_event_.type = blink::WebInputEvent::TouchStart;
+        break;
+      }
+
+      case TOUCHEVENTF_UP: {
+        if (!point)  // Just throw away a stray up.
+          continue;
+        point->state = blink::WebTouchPoint::StateReleased;
+        UpdateTouchPoint(point, &points[i]);
+        touch_event_.type = blink::WebInputEvent::TouchEnd;
+        break;
+      }
+
+      case TOUCHEVENTF_MOVE: {
+        if (point) {
+          point->state = blink::WebTouchPoint::StateMoved;
+          // Don't update the message if the point didn't really move.
+          if (UpdateTouchPoint(point, &points[i]))
+            continue;
+          touch_event_.type = blink::WebInputEvent::TouchMove;
+        } else if (touch_event_.changedTouchesLength) {
+          RemoveExpiredMappings();
+          // Can't add a point if we're already handling move events.
+          return i;
+        } else {
+          // Treat a move with no existing point as a down.
+          if (!(point = AddTouchPoint(&points[i])))
+            continue;
+          last_type = TOUCHEVENTF_DOWN;
+          SetTouchType(&points[i], TOUCHEVENTF_DOWN);
+          touch_event_.type = blink::WebInputEvent::TouchStart;
+        }
+        break;
+      }
+
+      default:
+        NOTREACHED();
+        continue;
+    }
+    touch_event_.changedTouches[touch_event_.changedTouchesLength++] = *point;
+  }
+
+  RemoveExpiredMappings();
+  return count;
+}
+
+void WebTouchState::RemoveExpiredMappings() {
+  blink::WebTouchPoint* point = touch_event_.touches;
+  blink::WebTouchPoint* end = point + touch_event_.touchesLength;
+  for (; point < end; ++point) {
+    if (point->state == blink::WebTouchPoint::StateReleased)
+      id_generator_.ReleaseGeneratedID(point->id);
+  }
+}
+
+
+bool WebTouchState::ReleaseTouchPoints() {
+  if (touch_event_.touchesLength == 0)
+    return false;
+  // Mark every active touchpoint as released.
+  touch_event_.type = blink::WebInputEvent::TouchEnd;
+  touch_event_.changedTouchesLength = touch_event_.touchesLength;
+  for (unsigned int i = 0; i < touch_event_.touchesLength; ++i) {
+    touch_event_.touches[i].state = blink::WebTouchPoint::StateReleased;
+    touch_event_.changedTouches[i].state =
+        blink::WebTouchPoint::StateReleased;
+  }
+
+  return true;
+}
+
+blink::WebTouchPoint* WebTouchState::AddTouchPoint(
+    TOUCHINPUT* touch_input) {
+  DCHECK(touch_event_.touchesLength <
+      blink::WebTouchEvent::touchesLengthCap);
+  if (touch_event_.touchesLength >=
+      blink::WebTouchEvent::touchesLengthCap)
+    return NULL;
+  blink::WebTouchPoint* point =
+      &touch_event_.touches[touch_event_.touchesLength++];
+  point->state = blink::WebTouchPoint::StatePressed;
+  point->id = GetMappedTouch(touch_input->dwID);
+  UpdateTouchPoint(point, touch_input);
+  return point;
+}
+
+bool WebTouchState::UpdateTouchPoint(
+    blink::WebTouchPoint* touch_point,
+    TOUCHINPUT* touch_input) {
+  CPoint coordinates(
+      TOUCH_COORD_TO_PIXEL(touch_input->x) /
+      gfx::win::GetUndocumentedDPITouchScale(),
+      TOUCH_COORD_TO_PIXEL(touch_input->y) /
+      gfx::win::GetUndocumentedDPITouchScale());
+  int radius_x = 1;
+  int radius_y = 1;
+  if (touch_input->dwMask & TOUCHINPUTMASKF_CONTACTAREA) {
+    // Some touch drivers send a contact area of "-1", yet flag it as valid.
+    radius_x = std::max(1,
+        static_cast<int>(TOUCH_COORD_TO_PIXEL(touch_input->cxContact) /
+                         gfx::win::GetUndocumentedDPITouchScale()));
+    radius_y = std::max(1,
+        static_cast<int>(TOUCH_COORD_TO_PIXEL(touch_input->cyContact) /
+                         gfx::win::GetUndocumentedDPITouchScale()));
+  }
+
+  // Detect and exclude stationary moves.
+  if (GetTouchType(*touch_input) == TOUCHEVENTF_MOVE &&
+      touch_point->screenPosition.x == coordinates.x &&
+      touch_point->screenPosition.y == coordinates.y &&
+      touch_point->radiusX == radius_x &&
+      touch_point->radiusY == radius_y) {
+    touch_point->state = blink::WebTouchPoint::StateStationary;
+    return true;
+  }
+
+  touch_point->screenPosition.x = coordinates.x;
+  touch_point->screenPosition.y = coordinates.y;
+  window_->ScreenToClient(&coordinates);
+  static float scale = gfx::win::GetDeviceScaleFactor();
+  touch_point->position.x = coordinates.x / scale;
+  touch_point->position.y = coordinates.y / scale;
+  touch_point->radiusX = radius_x;
+  touch_point->radiusY = radius_y;
+  touch_point->force = 0;
+  touch_point->rotationAngle = 0;
+  return false;
+}
+
+// Find (or create) a mapping for _os_touch_id_.
+unsigned int WebTouchState::GetMappedTouch(unsigned int os_touch_id) {
+  return id_generator_.GetGeneratedID(os_touch_id);
+}
+
+LRESULT RenderWidgetHostViewWin::OnTouchEvent(UINT message, WPARAM wparam,
+                                              LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnTouchEvent");
+  // Finish the ongoing composition whenever a touch event happens.
+  // It matches IE's behavior.
+  if (base::win::IsTSFAwareRequired()) {
+    ui::TSFBridge::GetInstance()->CancelComposition();
+  } else {
+    imm32_manager_->CleanupComposition(m_hWnd);
+  }
+
+  // TODO(jschuh): Add support for an arbitrary number of touchpoints.
+  size_t total = std::min(static_cast<int>(LOWORD(wparam)),
+      static_cast<int>(blink::WebTouchEvent::touchesLengthCap));
+  TOUCHINPUT points[blink::WebTouchEvent::touchesLengthCap];
+
+  if (!total || !ui::GetTouchInputInfoWrapper((HTOUCHINPUT)lparam, total,
+                                              points, sizeof(TOUCHINPUT))) {
+    TRACE_EVENT0("browser", "EarlyOut_NothingToDo");
+    return 0;
+  }
+
+  if (total == 1 && (points[0].dwFlags & TOUCHEVENTF_DOWN)) {
+    pointer_down_context_ = true;
+    last_touch_location_ = gfx::Point(
+        TOUCH_COORD_TO_PIXEL(points[0].x) /
+        gfx::win::GetUndocumentedDPITouchScale(),
+        TOUCH_COORD_TO_PIXEL(points[0].y) /
+        gfx::win::GetUndocumentedDPITouchScale());
+  }
+
+  bool should_forward = render_widget_host_->ShouldForwardTouchEvent() &&
+      touch_events_enabled_;
+
+  // Send a copy of the touch events on to the gesture recognizer.
+  for (size_t start = 0; start < total;) {
+    start += touch_state_->UpdateTouchPoints(points + start, total - start);
+    if (should_forward) {
+      if (touch_state_->is_changed())
+        render_widget_host_->ForwardTouchEventWithLatencyInfo(
+            touch_state_->touch_event(), ui::LatencyInfo());
+    } else {
+      const blink::WebTouchEvent& touch_event = touch_state_->touch_event();
+      base::TimeDelta timestamp = base::TimeDelta::FromMilliseconds(
+          touch_event.timeStampSeconds * 1000);
+      for (size_t i = 0; i < touch_event.touchesLength; ++i) {
+        scoped_ptr<ui::GestureRecognizer::Gestures> gestures;
+        gestures.reset(gesture_recognizer_->ProcessTouchEventForGesture(
+            TouchEventFromWebTouchPoint(touch_event.touches[i], timestamp),
+            ui::ER_UNHANDLED, this));
+        ProcessGestures(gestures.get());
+      }
+    }
+  }
+
+  CloseTouchInputHandle((HTOUCHINPUT)lparam);
+
+  return 0;
+}
+
+void RenderWidgetHostViewWin::ProcessGestures(
+    ui::GestureRecognizer::Gestures* gestures) {
+  if ((gestures == NULL) || gestures->empty())
+    return;
+  for (ui::GestureRecognizer::Gestures::iterator g_it = gestures->begin();
+      g_it != gestures->end();
+      ++g_it) {
+    ForwardGestureEventToRenderer(*g_it);
+  }
+}
+
+LRESULT RenderWidgetHostViewWin::OnMouseActivate(UINT message,
+                                                 WPARAM wparam,
+                                                 LPARAM lparam,
+                                                 BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnMouseActivate");
+  if (!render_widget_host_)
+    return MA_NOACTIVATE;
+
+  if (!IsActivatable())
+    return MA_NOACTIVATE;
+
+  HWND focus_window = GetFocus();
+  if (!::IsWindow(focus_window) || !IsChild(focus_window)) {
+    // We handle WM_MOUSEACTIVATE to set focus to the underlying plugin
+    // child window. This is to ensure that keyboard events are received
+    // by the plugin. The correct way to fix this would be send over
+    // an event to the renderer which would then eventually send over
+    // a setFocus call to the plugin widget. This would ensure that
+    // the renderer (webkit) knows about the plugin widget receiving
+    // focus.
+    // TODO(iyengar) Do the right thing as per the above comment.
+    POINT cursor_pos = {0};
+    ::GetCursorPos(&cursor_pos);
+    ::ScreenToClient(m_hWnd, &cursor_pos);
+    HWND child_window = ::RealChildWindowFromPoint(m_hWnd, cursor_pos);
+    if (::IsWindow(child_window) && child_window != m_hWnd) {
+      if (gfx::GetClassName(child_window) == kWrapperNativeWindowClassName)
+        child_window = ::GetWindow(child_window, GW_CHILD);
+
+      ::SetFocus(child_window);
+      return MA_NOACTIVATE;
+    }
+  }
+  handled = FALSE;
+  render_widget_host_->OnPointerEventActivate();
+  return MA_ACTIVATE;
+}
+
+LRESULT RenderWidgetHostViewWin::OnGestureEvent(
+      UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnGestureEvent");
+
+  DCHECK(!touch_events_enabled_);
+  handled = FALSE;
+
+  GESTUREINFO gi = {sizeof(GESTUREINFO)};
+  HGESTUREINFO gi_handle = reinterpret_cast<HGESTUREINFO>(lparam);
+  if (!::GetGestureInfo(gi_handle, &gi)) {
+    DWORD error = GetLastError();
+    NOTREACHED() << "Unable to get gesture info. Error : " << error;
+    return 0;
+  }
+
+  if (gi.dwID == GID_ZOOM) {
+    PageZoom zoom = PAGE_ZOOM_RESET;
+    POINT zoom_center = {0};
+    if (DecodeZoomGesture(m_hWnd, gi, &zoom, &zoom_center)) {
+      handled = TRUE;
+      Send(new ViewMsg_ZoomFactor(render_widget_host_->GetRoutingID(),
+                                  zoom, zoom_center.x, zoom_center.y));
+    }
+  } else if (gi.dwID == GID_PAN) {
+    // Right now we only decode scroll gestures and we forward to the page
+    // as scroll events.
+    POINT start;
+    POINT delta;
+    if (DecodeScrollGesture(gi, &start, &delta)) {
+      handled = TRUE;
+      render_widget_host_->ForwardWheelEvent(
+          MakeFakeScrollWheelEvent(m_hWnd, start, delta));
+    }
+  }
+  ::CloseGestureInfoHandle(gi_handle);
+  return 0;
+}
+
+LRESULT RenderWidgetHostViewWin::OnMoveOrSize(
+    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
+  // Reset the cliping rectangle if the mouse is locked.
+  if (mouse_locked_) {
+    CRect rect;
+    GetWindowRect(&rect);
+    ::ClipCursor(&rect);
+  }
+  return 0;
+}
+
+void RenderWidgetHostViewWin::CreateBrowserAccessibilityManagerIfNeeded() {
+  if (GetBrowserAccessibilityManager())
+    return;
+
+  HRESULT hr = ::CreateStdAccessibleObject(
+      m_hWnd, OBJID_WINDOW, IID_IAccessible,
+      reinterpret_cast<void **>(&window_iaccessible_));
+  DCHECK(SUCCEEDED(hr));
+
+  SetBrowserAccessibilityManager(
+      new BrowserAccessibilityManagerWin(
+          m_hWnd,
+          window_iaccessible_.get(),
+          BrowserAccessibilityManagerWin::GetEmptyDocument(),
+          this));
+}
+
+bool RenderWidgetHostViewWin::LockMouse() {
+  if (mouse_locked_)
+    return true;
+
+  mouse_locked_ = true;
+
+  // Hide the tooltip window if it is currently visible. When the mouse is
+  // locked, no mouse message is relayed to the tooltip window, so we don't need
+  // to worry that it will reappear.
+  if (::IsWindow(tooltip_hwnd_) && tooltip_showing_) {
+    ::SendMessage(tooltip_hwnd_, TTM_POP, 0, 0);
+    // Sending a TTM_POP message doesn't seem to actually hide the tooltip
+    // window, although we will receive a TTN_POP notification. As a result,
+    // ShowWindow() is explicitly called to hide the window.
+    ::ShowWindow(tooltip_hwnd_, SW_HIDE);
+  }
+
+  // TODO(yzshen): ShowCursor(FALSE) causes SetCursorPos() to be ignored on
+  // Remote Desktop.
+  ::ShowCursor(FALSE);
+
+  move_to_center_request_.pending = false;
+  last_mouse_position_.locked_global = last_mouse_position_.unlocked_global;
+
+  // Must set the clip rectangle before MoveCursorToCenterIfNecessary()
+  // so that if the cursor is moved it uses the clip rect set to the window
+  // rect. Otherwise, MoveCursorToCenterIfNecessary() may move the cursor
+  // to the center of the screen, and then we would clip to the window
+  // rect, thus moving the cursor and causing a movement delta.
+  CRect rect;
+  GetWindowRect(&rect);
+  ::ClipCursor(&rect);
+  MoveCursorToCenterIfNecessary();
+
+  return true;
+}
+
+void RenderWidgetHostViewWin::UnlockMouse() {
+  if (!mouse_locked_)
+    return;
+
+  mouse_locked_ = false;
+
+  ::ClipCursor(NULL);
+  ::SetCursorPos(last_mouse_position_.unlocked_global.x(),
+                 last_mouse_position_.unlocked_global.y());
+  ::ShowCursor(TRUE);
+
+  if (render_widget_host_)
+    render_widget_host_->LostMouseLock();
+}
+
+void RenderWidgetHostViewWin::Observe(
+    int type,
+    const NotificationSource& source,
+    const NotificationDetails& details) {
+  DCHECK(type == NOTIFICATION_RENDERER_PROCESS_TERMINATED);
+
+  // Get the RenderProcessHost that posted this notification, and exit
+  // if it's not the one associated with this host view.
+  RenderProcessHost* render_process_host =
+      Source<RenderProcessHost>(source).ptr();
+  DCHECK(render_process_host);
+  if (!render_widget_host_ ||
+      render_process_host != render_widget_host_->GetProcess()) {
+    return;
+  }
+
+  // If it was our RenderProcessHost that posted the notification,
+  // clear the BrowserAccessibilityManager, because the renderer is
+  // dead and any accessibility information we have is now stale.
+  SetBrowserAccessibilityManager(NULL);
+}
+
+static void PaintCompositorHostWindow(HWND hWnd) {
+  PAINTSTRUCT paint;
+  BeginPaint(hWnd, &paint);
+
+  RenderWidgetHostViewWin* win = static_cast<RenderWidgetHostViewWin*>(
+      gfx::GetWindowUserData(hWnd));
+  // Trigger composite to rerender window.
+  if (win)
+    win->AcceleratedPaint(paint.hdc);
+
+  EndPaint(hWnd, &paint);
+}
+
+// WndProc for the compositor host window. We use this instead of Default so
+// we can drop WM_PAINT and WM_ERASEBKGD messages on the floor.
+static LRESULT CALLBACK CompositorHostWindowProc(HWND hWnd, UINT message,
+                                                 WPARAM wParam, LPARAM lParam) {
+  switch (message) {
+  case WM_ERASEBKGND:
+    return 0;
+  case WM_PAINT:
+    PaintCompositorHostWindow(hWnd);
+    return 0;
+  default:
+    return DefWindowProc(hWnd, message, wParam, lParam);
+  }
+}
+
+void RenderWidgetHostViewWin::AcceleratedPaint(HDC dc) {
+  if (render_widget_host_)
+    render_widget_host_->ScheduleComposite();
+  if (accelerated_surface_)
+    accelerated_surface_->Present(dc);
+}
+
+void RenderWidgetHostViewWin::GetScreenInfo(blink::WebScreenInfo* results) {
+  GetScreenInfoForWindow(GetNativeViewId(), results);
+}
+
+gfx::Rect RenderWidgetHostViewWin::GetBoundsInRootWindow() {
+  RECT window_rect = {0};
+  HWND root_window = GetAncestor(m_hWnd, GA_ROOT);
+  ::GetWindowRect(root_window, &window_rect);
+  gfx::Rect rect(window_rect);
+
+  // Maximized windows are outdented from the work area by the frame thickness
+  // even though this "frame" is not painted.  This confuses code (and people)
+  // that think of a maximized window as corresponding exactly to the work area.
+  // Correct for this by subtracting the frame thickness back off.
+  if (::IsZoomed(root_window)) {
+    rect.Inset(GetSystemMetrics(SM_CXSIZEFRAME),
+               GetSystemMetrics(SM_CYSIZEFRAME));
+  }
+
+  return gfx::win::ScreenToDIPRect(rect);
+}
+
+// Creates a HWND within the RenderWidgetHostView that will serve as a host
+// for a HWND that the GPU process will create. The host window is used
+// to Z-position the GPU's window relative to other plugin windows.
+gfx::GLSurfaceHandle RenderWidgetHostViewWin::GetCompositingSurface() {
+  // If the window has been created, don't recreate it a second time
+  if (compositor_host_window_)
+    return gfx::GLSurfaceHandle(compositor_host_window_, gfx::NATIVE_TRANSPORT);
+
+  // On Vista and later we present directly to the view window rather than a
+  // child window.
+  if (GpuDataManagerImpl::GetInstance()->IsUsingAcceleratedSurface()) {
+    if (!accelerated_surface_)
+      accelerated_surface_.reset(new AcceleratedSurface(m_hWnd));
+    return gfx::GLSurfaceHandle(m_hWnd, gfx::NATIVE_TRANSPORT);
+  }
+
+  // On XP we need a child window that can be resized independently of the
+  // parent.
+  static ATOM atom = 0;
+  static HMODULE instance = NULL;
+  if (!atom) {
+    WNDCLASSEX window_class;
+    base::win::InitializeWindowClass(
+        L"CompositorHostWindowClass",
+        &base::win::WrappedWindowProc<CompositorHostWindowProc>,
+        0, 0, 0, NULL, NULL, NULL, NULL, NULL,
+        &window_class);
+    instance = window_class.hInstance;
+    atom = RegisterClassEx(&window_class);
+    DCHECK(atom);
+  }
+
+  RECT currentRect;
+  GetClientRect(&currentRect);
+
+  // Ensure window does not have zero area because D3D cannot create a zero
+  // area swap chain.
+  int width = std::max(1,
+      static_cast<int>(currentRect.right - currentRect.left));
+  int height = std::max(1,
+      static_cast<int>(currentRect.bottom - currentRect.top));
+
+  compositor_host_window_ = CreateWindowEx(
+      WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR,
+      MAKEINTATOM(atom), 0,
+      WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_DISABLED,
+      0, 0, width, height, m_hWnd, 0, instance, 0);
+  gfx::CheckWindowCreated(compositor_host_window_);
+
+  gfx::SetWindowUserData(compositor_host_window_, this);
+
+  gfx::GLSurfaceHandle surface_handle(compositor_host_window_,
+                                      gfx::NATIVE_TRANSPORT);
+  return surface_handle;
+}
+
+void RenderWidgetHostViewWin::ResizeCompositingSurface(const gfx::Size& size) {
+  // Ensure window does not have zero area because D3D cannot create a zero
+  // area swap chain.
+  ::SetWindowPos(compositor_host_window_,
+      NULL,
+      0, 0,
+      std::max(1, size.width()),
+      std::max(1, size.height()),
+      SWP_NOSENDCHANGING | SWP_NOCOPYBITS | SWP_NOZORDER |
+          SWP_NOACTIVATE | SWP_DEFERERASE | SWP_NOMOVE);
+}
+
+void RenderWidgetHostViewWin::OnAcceleratedCompositingStateChange() {
+  bool show = render_widget_host_->is_accelerated_compositing_active();
+  // When we first create the compositor, we will get a show request from
+  // the renderer before we have gotten the create request from the GPU. In this
+  // case, simply ignore the show request.
+  if (compositor_host_window_ == NULL)
+    return;
+
+  if (show) {
+    ::ShowWindow(compositor_host_window_, SW_SHOW);
+
+    // Get all the child windows of this view, including the compositor window.
+    std::vector<HWND> all_child_windows;
+    ::EnumChildWindows(m_hWnd, AddChildWindowToVector,
+        reinterpret_cast<LPARAM>(&all_child_windows));
+
+    // Build a list of just the plugin window handles
+    std::vector<HWND> plugin_windows;
+    bool compositor_host_window_found = false;
+    for (size_t i = 0; i < all_child_windows.size(); ++i) {
+      if (all_child_windows[i] != compositor_host_window_)
+        plugin_windows.push_back(all_child_windows[i]);
+      else
+        compositor_host_window_found = true;
+    }
+    DCHECK(compositor_host_window_found);
+
+    // Set all the plugin windows to be "after" the compositor window.
+    // When the compositor window is created, gets placed above plugins.
+    for (size_t i = 0; i < plugin_windows.size(); ++i) {
+      HWND next;
+      if (i + 1 < plugin_windows.size())
+        next = plugin_windows[i+1];
+      else
+        next = compositor_host_window_;
+      ::SetWindowPos(plugin_windows[i], next, 0, 0, 0, 0,
+          SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
+    }
+  } else {
+    // Drop the backing store for the accelerated surface when the accelerated
+    // compositor is disabled. Otherwise, a flash of the last presented frame
+    // could appear when it is next enabled.
+    if (accelerated_surface_)
+      accelerated_surface_->Suspend();
+    hide_compositor_window_at_next_paint_ = true;
+  }
+}
+
+void RenderWidgetHostViewWin::AcceleratedSurfaceInitialized(int host_id,
+                                                            int route_id) {
+}
+
+void RenderWidgetHostViewWin::AcceleratedSurfaceBuffersSwapped(
+    const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
+    int gpu_host_id) {
+  NOTREACHED();
+}
+
+void RenderWidgetHostViewWin::AcceleratedSurfacePostSubBuffer(
+    const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
+    int gpu_host_id) {
+  NOTREACHED();
+}
+
+void RenderWidgetHostViewWin::AcceleratedSurfaceSuspend() {
+    if (!accelerated_surface_)
+      return;
+
+    accelerated_surface_->Suspend();
+}
+
+void RenderWidgetHostViewWin::AcceleratedSurfaceRelease() {
+}
+
+bool RenderWidgetHostViewWin::HasAcceleratedSurface(
+      const gfx::Size& desired_size) {
+  // TODO(jbates) Implement this so this view can use GetBackingStore for both
+  // software and GPU frames. Defaulting to false just makes GetBackingStore
+  // only useable for software frames.
+  return false;
+}
+
+void RenderWidgetHostViewWin::SetAccessibilityFocus(int acc_obj_id) {
+  if (!render_widget_host_)
+    return;
+
+  render_widget_host_->AccessibilitySetFocus(acc_obj_id);
+}
+
+void RenderWidgetHostViewWin::AccessibilityDoDefaultAction(int acc_obj_id) {
+  if (!render_widget_host_)
+    return;
+
+  render_widget_host_->AccessibilityDoDefaultAction(acc_obj_id);
+}
+
+void RenderWidgetHostViewWin::AccessibilityScrollToMakeVisible(
+    int acc_obj_id, gfx::Rect subfocus) {
+  if (!render_widget_host_)
+    return;
+
+  render_widget_host_->AccessibilityScrollToMakeVisible(acc_obj_id, subfocus);
+}
+
+void RenderWidgetHostViewWin::AccessibilityScrollToPoint(
+    int acc_obj_id, gfx::Point point) {
+  if (!render_widget_host_)
+    return;
+
+  render_widget_host_->AccessibilityScrollToPoint(acc_obj_id, point);
+}
+
+void RenderWidgetHostViewWin::AccessibilitySetTextSelection(
+    int acc_obj_id, int start_offset, int end_offset) {
+  if (!render_widget_host_)
+    return;
+
+  render_widget_host_->AccessibilitySetTextSelection(
+      acc_obj_id, start_offset, end_offset);
+}
+
+gfx::Point RenderWidgetHostViewWin::GetLastTouchEventLocation() const {
+  return last_touch_location_;
+}
+
+void RenderWidgetHostViewWin::FatalAccessibilityTreeError() {
+  render_widget_host_->FatalAccessibilityTreeError();
+  SetBrowserAccessibilityManager(NULL);
+}
+
+LRESULT RenderWidgetHostViewWin::OnGetObject(UINT message, WPARAM wparam,
+                                             LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnGetObject");
+  if (kIdCustom == lparam) {
+    // An MSAA client requestes our custom id. Assume that we have detected an
+    // active windows screen reader.
+    BrowserAccessibilityState::GetInstance()->OnScreenReaderDetected();
+    render_widget_host_->SetAccessibilityMode(
+        BrowserAccessibilityStateImpl::GetInstance()->accessibility_mode());
+
+    // Return with failure.
+    return static_cast<LRESULT>(0L);
+  }
+
+  if (lparam != OBJID_CLIENT) {
+    handled = false;
+    return static_cast<LRESULT>(0L);
+  }
+
+  IAccessible* iaccessible = GetNativeViewAccessible();
+  if (iaccessible)
+    return LresultFromObject(IID_IAccessible, wparam, iaccessible);
+
+  handled = false;
+  return static_cast<LRESULT>(0L);
+}
+
+LRESULT RenderWidgetHostViewWin::OnParentNotify(UINT message, WPARAM wparam,
+                                                LPARAM lparam, BOOL& handled) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnParentNotify");
+  handled = FALSE;
+
+  if (!render_widget_host_)
+    return 0;
+
+  switch (LOWORD(wparam)) {
+    case WM_LBUTTONDOWN:
+    case WM_RBUTTONDOWN:
+    case WM_MBUTTONDOWN:
+      render_widget_host_->StartUserGesture();
+      break;
+    default:
+      break;
+  }
+  return 0;
+}
+
+void RenderWidgetHostViewWin::OnFinalMessage(HWND window) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnFinalMessage");
+  // When the render widget host is being destroyed, it ends up calling
+  // Destroy() which NULLs render_widget_host_.
+  // Note: the following bug http://crbug.com/24248 seems to report that
+  // OnFinalMessage is called with a deleted |render_widget_host_|. It is not
+  // clear how this could happen, hence the NULLing of render_widget_host_
+  // above.
+  if (!render_widget_host_ && !being_destroyed_) {
+    // If you hit this NOTREACHED, please add a comment to report it on
+    // http://crbug.com/24248, including what you did when it happened and if
+    // you can repro.
+    NOTREACHED();
+  }
+  if (render_widget_host_)
+    render_widget_host_->ViewDestroyed();
+  if (base::win::IsTSFAwareRequired())
+    ui::TSFBridge::GetInstance()->RemoveFocusedClient(this);
+  delete this;
+}
+
+LRESULT RenderWidgetHostViewWin::OnSessionChange(UINT message,
+                                                 WPARAM wparam,
+                                                 LPARAM lparam,
+                                                 BOOL& handled) {
+  handled = FALSE;
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::OnSessionChange");
+
+  if (!accelerated_surface_)
+    return 0;
+
+  switch (wparam) {
+    case WTS_SESSION_LOCK:
+      accelerated_surface_->SetIsSessionLocked(true);
+      break;
+    case WTS_SESSION_UNLOCK:
+      // Force a repaint to update the window contents.
+      if (!render_widget_host_->is_hidden())
+        InvalidateRect(NULL, FALSE);
+      accelerated_surface_->SetIsSessionLocked(false);
+      break;
+    default:
+      break;
+  }
+
+  return 0;
+}
+
+void RenderWidgetHostViewWin::TrackMouseLeave(bool track) {
+  if (track == track_mouse_leave_)
+    return;
+  track_mouse_leave_ = track;
+
+  DCHECK(m_hWnd);
+
+  TRACKMOUSEEVENT tme;
+  tme.cbSize = sizeof(TRACKMOUSEEVENT);
+  tme.dwFlags = TME_LEAVE;
+  if (!track_mouse_leave_)
+    tme.dwFlags |= TME_CANCEL;
+  tme.hwndTrack = m_hWnd;
+
+  TrackMouseEvent(&tme);
+}
+
+bool RenderWidgetHostViewWin::Send(IPC::Message* message) {
+  if (!render_widget_host_)
+    return false;
+  return render_widget_host_->Send(message);
+}
+
+void RenderWidgetHostViewWin::EnsureTooltip() {
+  UINT message = TTM_NEWTOOLRECT;
+
+  TOOLINFO ti = {0};
+  ti.cbSize = sizeof(ti);
+  ti.hwnd = m_hWnd;
+  ti.uId = 0;
+  if (!::IsWindow(tooltip_hwnd_)) {
+    message = TTM_ADDTOOL;
+    tooltip_hwnd_ = CreateWindowEx(
+        WS_EX_TRANSPARENT | l10n_util::GetExtendedTooltipStyles(),
+        TOOLTIPS_CLASS, NULL, TTS_NOPREFIX, 0, 0, 0, 0, m_hWnd, NULL,
+        NULL, NULL);
+    if (!tooltip_hwnd_) {
+      // Tooltip creation can inexplicably fail. See bug 82913 for details.
+      LOG_GETLASTERROR(WARNING) <<
+          "Tooltip creation failed, tooltips won't work";
+      return;
+    }
+    ti.uFlags = TTF_TRANSPARENT;
+    ti.lpszText = LPSTR_TEXTCALLBACK;
+
+    // Ensure web content tooltips are displayed for at least this amount of
+    // time, to give users a chance to read longer messages.
+    const int kMinimumAutopopDurationMs = 10 * 1000;
+    int autopop_duration_ms =
+        SendMessage(tooltip_hwnd_, TTM_GETDELAYTIME, TTDT_AUTOPOP, NULL);
+    if (autopop_duration_ms < kMinimumAutopopDurationMs) {
+      SendMessage(tooltip_hwnd_, TTM_SETDELAYTIME, TTDT_AUTOPOP,
+                  kMinimumAutopopDurationMs);
+    }
+  }
+
+  CRect cr;
+  GetClientRect(&ti.rect);
+  SendMessage(tooltip_hwnd_, message, NULL, reinterpret_cast<LPARAM>(&ti));
+}
+
+void RenderWidgetHostViewWin::ResetTooltip() {
+  if (::IsWindow(tooltip_hwnd_))
+    ::DestroyWindow(tooltip_hwnd_);
+  tooltip_hwnd_ = NULL;
+}
+
+bool RenderWidgetHostViewWin::ForwardGestureEventToRenderer(
+    ui::GestureEvent* gesture) {
+  if (!render_widget_host_)
+    return false;
+
+  // Pinch gestures are disabled by default on windows desktop. See
+  // crbug.com/128477 and crbug.com/148816
+  if ((gesture->type() == ui::ET_GESTURE_PINCH_BEGIN ||
+      gesture->type() == ui::ET_GESTURE_PINCH_UPDATE ||
+      gesture->type() == ui::ET_GESTURE_PINCH_END) &&
+      !ShouldSendPinchGesture()) {
+    return true;
+  }
+
+  blink::WebGestureEvent web_gesture = CreateWebGestureEvent(m_hWnd, *gesture);
+  if (web_gesture.type == blink::WebGestureEvent::Undefined)
+    return false;
+  if (web_gesture.type == blink::WebGestureEvent::GestureTapDown) {
+    render_widget_host_->ForwardGestureEvent(
+        CreateFlingCancelEvent(gesture->time_stamp().InSecondsF()));
+  }
+  render_widget_host_->ForwardGestureEventWithLatencyInfo(web_gesture,
+                                                          *gesture->latency());
+  return true;
+}
+
+void RenderWidgetHostViewWin::ForwardMouseEventToRenderer(UINT message,
+                                                          WPARAM wparam,
+                                                          LPARAM lparam) {
+  TRACE_EVENT0("browser",
+               "RenderWidgetHostViewWin::ForwardMouseEventToRenderer");
+  if (!render_widget_host_) {
+    TRACE_EVENT0("browser", "EarlyOut_NoRWH");
+    return;
+  }
+
+  gfx::Point point = gfx::win::ScreenToDIPPoint(
+      gfx::Point(static_cast<short>(LOWORD(lparam)),
+                 static_cast<short>(HIWORD(lparam))));
+  lparam = MAKELPARAM(point.x(), point.y());
+
+  WebMouseEvent event(
+      WebMouseEventBuilder::Build(m_hWnd, message, wparam, lparam));
+
+  if (mouse_locked_) {
+    event.movementX = event.globalX - last_mouse_position_.locked_global.x();
+    event.movementY = event.globalY - last_mouse_position_.locked_global.y();
+    last_mouse_position_.locked_global.SetPoint(event.globalX, event.globalY);
+
+    event.x = last_mouse_position_.unlocked.x();
+    event.y = last_mouse_position_.unlocked.y();
+    event.windowX = last_mouse_position_.unlocked.x();
+    event.windowY = last_mouse_position_.unlocked.y();
+    event.globalX = last_mouse_position_.unlocked_global.x();
+    event.globalY = last_mouse_position_.unlocked_global.y();
+  } else {
+    if (ignore_mouse_movement_) {
+      ignore_mouse_movement_ = false;
+      event.movementX = 0;
+      event.movementY = 0;
+    } else {
+      event.movementX =
+          event.globalX - last_mouse_position_.unlocked_global.x();
+      event.movementY =
+          event.globalY - last_mouse_position_.unlocked_global.y();
+    }
+
+    last_mouse_position_.unlocked.SetPoint(event.windowX, event.windowY);
+    last_mouse_position_.unlocked_global.SetPoint(event.globalX, event.globalY);
+  }
+
+  // Windows sends (fake) mouse messages for touch events. Don't send these to
+  // the render widget.
+  if (!touch_events_enabled_ || !ui::IsMouseEventFromTouch(message)) {
+    // Send the event to the renderer before changing mouse capture, so that
+    // the capturelost event arrives after mouseup.
+    render_widget_host_->ForwardMouseEvent(event);
+
+    switch (event.type) {
+      case WebInputEvent::MouseMove:
+        TrackMouseLeave(true);
+        break;
+      case WebInputEvent::MouseLeave:
+        TrackMouseLeave(false);
+        break;
+      case WebInputEvent::MouseDown:
+        SetCapture();
+        break;
+      case WebInputEvent::MouseUp:
+        if (GetCapture() == m_hWnd)
+          ReleaseCapture();
+        break;
+    }
+  }
+
+  if (IsActivatable() && event.type == WebInputEvent::MouseDown) {
+    // This is a temporary workaround for bug 765011 to get focus when the
+    // mouse is clicked. This happens after the mouse down event is sent to
+    // the renderer because normally Windows does a WM_SETFOCUS after
+    // WM_LBUTTONDOWN.
+    SetFocus();
+  }
+}
+
+void RenderWidgetHostViewWin::ShutdownHost() {
+  weak_factory_.InvalidateWeakPtrs();
+  if (render_widget_host_)
+    render_widget_host_->Shutdown();
+  // Do not touch any members at this point, |this| has been deleted.
+}
+
+void RenderWidgetHostViewWin::DoPopupOrFullscreenInit(HWND parent_hwnd,
+                                                      const gfx::Rect& pos,
+                                                      DWORD ex_style) {
+  Create(parent_hwnd, NULL, NULL, WS_POPUP, ex_style);
+  gfx::Rect screen_rect = gfx::win::DIPToScreenRect(pos);
+  MoveWindow(screen_rect.x(), screen_rect.y(), screen_rect.width(),
+      screen_rect.height(), TRUE);
+  ShowWindow(IsActivatable() ? SW_SHOW : SW_SHOWNA);
+
+  if (is_fullscreen_ && win8::IsSingleWindowMetroMode()) {
+    MetroSetFrameWindow set_frame_window =
+        reinterpret_cast<MetroSetFrameWindow>(
+            ::GetProcAddress(base::win::GetMetroModule(), "SetFrameWindow"));
+    DCHECK(set_frame_window);
+    set_frame_window(m_hWnd);
+  }
+}
+
+CPoint RenderWidgetHostViewWin::GetClientCenter() const {
+  CRect rect;
+  GetClientRect(&rect);
+  return rect.CenterPoint();
+}
+
+void RenderWidgetHostViewWin::MoveCursorToCenterIfNecessary() {
+  DCHECK(mouse_locked_);
+
+  CRect rect;
+  GetClipCursor(&rect);
+  int border_x = rect.Width() * kMouseLockBorderPercentage / 100;
+  int border_y = rect.Height() * kMouseLockBorderPercentage / 100;
+
+  bool should_move =
+      last_mouse_position_.locked_global.x() < rect.left + border_x ||
+      last_mouse_position_.locked_global.x() > rect.right - border_x ||
+      last_mouse_position_.locked_global.y() < rect.top + border_y ||
+      last_mouse_position_.locked_global.y() > rect.bottom - border_y;
+
+  if (should_move) {
+    move_to_center_request_.pending = true;
+    move_to_center_request_.target = rect.CenterPoint();
+    if (!::SetCursorPos(move_to_center_request_.target.x(),
+                        move_to_center_request_.target.y())) {
+      LOG_GETLASTERROR(WARNING) << "Failed to set cursor position.";
+    }
+  }
+}
+
+void RenderWidgetHostViewWin::HandleLockedMouseEvent(UINT message,
+                                                     WPARAM wparam,
+                                                     LPARAM lparam) {
+  TRACE_EVENT0("browser", "RenderWidgetHostViewWin::HandleLockedMouseEvent");
+  DCHECK(mouse_locked_);
+
+  if (message == WM_MOUSEMOVE && move_to_center_request_.pending) {
+    // Ignore WM_MOUSEMOVE messages generated by
+    // MoveCursorToCenterIfNecessary().
+    CPoint current_position(LOWORD(lparam), HIWORD(lparam));
+    ClientToScreen(&current_position);
+    if (move_to_center_request_.target.x() == current_position.x &&
+        move_to_center_request_.target.y() == current_position.y) {
+      move_to_center_request_.pending = false;
+      last_mouse_position_.locked_global = move_to_center_request_.target;
+      return;
+    }
+  }
+
+  ForwardMouseEventToRenderer(message, wparam, lparam);
+}
+
+LRESULT RenderWidgetHostViewWin::OnDocumentFeed(RECONVERTSTRING* reconv) {
+  size_t target_offset;
+  size_t target_length;
+  bool has_composition;
+  if (!composition_range_.is_empty()) {
+    target_offset = composition_range_.GetMin();
+    target_length = composition_range_.length();
+    has_composition = true;
+  } else if (selection_range_.IsValid()) {
+    target_offset = selection_range_.GetMin();
+    target_length = selection_range_.length();
+    has_composition = false;
+  } else {
+    return 0;
+  }
+
+  size_t len = selection_text_.length();
+  size_t need_size = sizeof(RECONVERTSTRING) + len * sizeof(WCHAR);
+
+  if (target_offset < selection_text_offset_ ||
+      target_offset + target_length > selection_text_offset_ + len) {
+    return 0;
+  }
+
+  if (!reconv)
+    return need_size;
+
+  if (reconv->dwSize < need_size)
+    return 0;
+
+  reconv->dwVersion = 0;
+  reconv->dwStrLen = len;
+  reconv->dwStrOffset = sizeof(RECONVERTSTRING);
+  reconv->dwCompStrLen = has_composition ? target_length: 0;
+  reconv->dwCompStrOffset =
+      (target_offset - selection_text_offset_) * sizeof(WCHAR);
+  reconv->dwTargetStrLen = target_length;
+  reconv->dwTargetStrOffset = reconv->dwCompStrOffset;
+  memcpy(reinterpret_cast<char*>(reconv) + sizeof(RECONVERTSTRING),
+         selection_text_.c_str(), len * sizeof(WCHAR));
+
+  // According to Microsft API document, IMR_RECONVERTSTRING and
+  // IMR_DOCUMENTFEED should return reconv, but some applications return
+  // need_size.
+  return reinterpret_cast<LRESULT>(reconv);
+}
+
+LRESULT RenderWidgetHostViewWin::OnReconvertString(RECONVERTSTRING* reconv) {
+  // If there is a composition string already, we don't allow reconversion.
+  if (imm32_manager_->is_composing())
+    return 0;
+
+  if (selection_range_.is_empty())
+    return 0;
+
+  if (selection_text_.empty())
+    return 0;
+
+  if (selection_range_.GetMin() < selection_text_offset_ ||
+      selection_range_.GetMax() >
+      selection_text_offset_ + selection_text_.length()) {
+    return 0;
+  }
+
+  size_t len = selection_range_.length();
+  size_t need_size = sizeof(RECONVERTSTRING) + len * sizeof(WCHAR);
+
+  if (!reconv)
+    return need_size;
+
+  if (reconv->dwSize < need_size)
+    return 0;
+
+  reconv->dwVersion = 0;
+  reconv->dwStrLen = len;
+  reconv->dwStrOffset = sizeof(RECONVERTSTRING);
+  reconv->dwCompStrLen = len;
+  reconv->dwCompStrOffset = 0;
+  reconv->dwTargetStrLen = len;
+  reconv->dwTargetStrOffset = 0;
+
+  size_t offset = selection_range_.GetMin() - selection_text_offset_;
+  memcpy(reinterpret_cast<char*>(reconv) + sizeof(RECONVERTSTRING),
+         selection_text_.c_str() + offset, len * sizeof(WCHAR));
+
+  // According to Microsft API document, IMR_RECONVERTSTRING and
+  // IMR_DOCUMENTFEED should return reconv, but some applications return
+  // need_size.
+  return reinterpret_cast<LRESULT>(reconv);
+}
+
+LRESULT RenderWidgetHostViewWin::OnQueryCharPosition(
+    IMECHARPOSITION* position) {
+  DCHECK(position);
+
+  if (position->dwSize < sizeof(IMECHARPOSITION))
+    return 0;
+
+  RECT target_rect = {};
+  if (imm32_manager_->is_composing() && !composition_range_.is_empty() &&
+      position->dwCharPos < composition_character_bounds_.size()) {
+    target_rect =
+        composition_character_bounds_[position->dwCharPos].ToRECT();
+  } else if (position->dwCharPos == 0) {
+    // When there is no on-going composition but |position->dwCharPos| is 0,
+    // use the caret rect. This behavior is the same to RichEdit. In fact,
+    // CUAS (Cicero Unaware Application Support) relies on this behavior to
+    // implement ITfContextView::GetTextExt on top of IMM32-based applications.
+    target_rect = caret_rect_.ToRECT();
+  } else {
+    return 0;
+  }
+  ClientToScreen(&target_rect);
+
+  RECT document_rect = GetPixelBounds().ToRECT();
+  ClientToScreen(&document_rect);
+
+  position->pt.x = target_rect.left;
+  position->pt.y = target_rect.top;
+  position->cLineHeight = target_rect.bottom - target_rect.top;
+  position->rcDocument = document_rect;
+  return 1;
+}
+
+void RenderWidgetHostViewWin::UpdateIMEState() {
+  if (base::win::IsTSFAwareRequired()) {
+    ui::TSFBridge::GetInstance()->OnTextInputTypeChanged(this);
+    return;
+  }
+  if (text_input_type_ != ui::TEXT_INPUT_TYPE_NONE &&
+      text_input_type_ != ui::TEXT_INPUT_TYPE_PASSWORD) {
+    imm32_manager_->EnableIME(m_hWnd);
+    imm32_manager_->SetUseCompositionWindow(!can_compose_inline_);
+  } else {
+    imm32_manager_->DisableIME(m_hWnd);
+  }
+
+  imm32_manager_->SetTextInputMode(m_hWnd, text_input_mode_);
+}
+
+void RenderWidgetHostViewWin::UpdateInputScopeIfNecessary(
+    ui::TextInputType text_input_type) {
+  // The text store is responsible for handling input scope when TSF-aware is
+  // required.
+  if (base::win::IsTSFAwareRequired())
+    return;
+
+  ui::tsf_inputscope::SetInputScopeForTsfUnawareWindow(
+      m_hWnd, text_input_type, text_input_mode_);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// RenderWidgetHostView, public:
+
+// static
+RenderWidgetHostView* RenderWidgetHostView::CreateViewForWidget(
+    RenderWidgetHost* widget) {
+  return new RenderWidgetHostViewWin(widget);
+}
+
+// static
+void RenderWidgetHostViewPort::GetDefaultScreenInfo(
+      blink::WebScreenInfo* results) {
+  GetScreenInfoForWindow(0, results);
+}
+
+}  // namespace content