Move RenderWidgetHostViewWin to content.

chrome/browser/renderer_host/render_widget_host_view_win.cc

Index: chrome/browser/renderer_host/render_widget_host_view_win.cc
===================================================================
--- chrome/browser/renderer_host/render_widget_host_view_win.cc	(revision 98240)
+++ chrome/browser/renderer_host/render_widget_host_view_win.cc	(working copy)
@@ -1,1865 +0,0 @@
-// Copyright (c) 2011 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.
-
-// Need Win 7 headers for WM_GESTURE and ChangeWindowMessageFilterEx
-// TODO(jschuh): See crbug.com/92941 for longterm fix.
-#undef  WINVER
-#define WINVER _WIN32_WINNT_WIN7
-#undef  _WIN32_WINNT
-#define _WIN32_WINNT _WIN32_WINNT_WIN7
-#include <windows.h>
-
-#include "chrome/browser/renderer_host/render_widget_host_view_win.h"
-
-#include <algorithm>
-
-#include "base/command_line.h"
-#include "base/i18n/rtl.h"
-#include "base/metrics/histogram.h"
-#include "base/process_util.h"
-#include "base/threading/thread.h"
-#include "base/win/scoped_comptr.h"
-#include "base/win/scoped_gdi_object.h"
-#include "base/win/wrapped_window_proc.h"
-#include "content/browser/accessibility/browser_accessibility_manager.h"
-#include "content/browser/accessibility/browser_accessibility_state.h"
-#include "content/browser/accessibility/browser_accessibility_win.h"
-#include "content/browser/browser_thread.h"
-#include "content/browser/content_browser_client.h"
-#include "content/browser/plugin_process_host.h"
-#include "content/browser/renderer_host/backing_store.h"
-#include "content/browser/renderer_host/backing_store_win.h"
-#include "content/browser/renderer_host/render_process_host.h"
-#include "content/browser/renderer_host/render_widget_host.h"
-#include "content/common/content_switches.h"
-#include "content/common/native_web_keyboard_event.h"
-#include "content/common/notification_service.h"
-#include "content/common/plugin_messages.h"
-#include "content/common/view_messages.h"
-#include "skia/ext/skia_utils_win.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositionUnderline.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/win/WebInputEventFactory.h"
-#include "ui/base/ime/composition_text.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/l10n/l10n_util_win.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/base/text/text_elider.h"
-#include "ui/base/view_prop.h"
-#include "ui/base/win/hwnd_util.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/canvas_skia.h"
-#include "ui/gfx/gdi_util.h"
-#include "ui/gfx/rect.h"
-#include "ui/gfx/screen.h"
-#include "views/accessibility/native_view_accessibility_win.h"
-#include "views/focus/focus_manager.h"
-#include "views/focus/focus_util_win.h"
-// Included for views::kReflectedMessage - TODO(beng): move this to win_util.h!
-#include "views/widget/native_widget_win.h"
-#include "webkit/glue/webaccessibility.h"
-#include "webkit/glue/webcursor.h"
-#include "webkit/plugins/npapi/plugin_constants_win.h"
-#include "webkit/plugins/npapi/webplugin.h"
-#include "webkit/plugins/npapi/webplugin_delegate_impl.h"
-
-using base::TimeDelta;
-using base::TimeTicks;
-using ui::ViewProp;
-using WebKit::WebInputEvent;
-using WebKit::WebInputEventFactory;
-using WebKit::WebMouseEvent;
-using WebKit::WebTextDirection;
-using webkit::npapi::WebPluginGeometry;
-
-const wchar_t kRenderWidgetHostHWNDClass[] = L"Chrome_RenderWidgetHostHWND";
-
-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;
-
-const char* const kRenderWidgetHostViewKey = "__RENDER_WIDGET_HOST_VIEW__";
-
-// A callback function for EnumThreadWindows to enumerate and dismiss
-// any owned popop 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;
-}
-
-class NotifyPluginProcessHostTask : public Task {
- public:
-  NotifyPluginProcessHostTask(HWND window, HWND parent)
-      : window_(window), parent_(parent), tries_(kMaxTries) { }
-
- private:
-  void Run() {
-    DWORD plugin_process_id;
-    bool found_starting_plugin_process = false;
-    GetWindowThreadProcessId(window_, &plugin_process_id);
-    for (BrowserChildProcessHost::Iterator iter(
-             ChildProcessInfo::PLUGIN_PROCESS);
-         !iter.Done(); ++iter) {
-      PluginProcessHost* plugin = static_cast<PluginProcessHost*>(*iter);
-      if (!plugin->handle()) {
-        found_starting_plugin_process = true;
-        continue;
-      }
-      if (base::GetProcId(plugin->handle()) == plugin_process_id) {
-        plugin->AddWindow(parent_);
-        return;
-      }
-    }
-
-    if (found_starting_plugin_process) {
-      // A plugin process has started but we don't have its handle yet.  Since
-      // it's most likely the one for this plugin, try a few more times after a
-      // delay.
-      if (tries_--) {
-        MessageLoop::current()->PostDelayedTask(FROM_HERE, this, kTryDelayMs);
-        return;
-      }
-    }
-
-    // The plugin process might have died in the time to execute the task, don't
-    // leak the HWND.
-    PostMessage(parent_, WM_CLOSE, 0, 0);
-  }
-
-  HWND window_;  // Plugin HWND, created and destroyed in the plugin process.
-  HWND parent_;  // Parent HWND, created and destroyed on the browser UI thread.
-
-  int tries_;
-
-  // How many times we try to find a PluginProcessHost whose process matches
-  // the HWND.
-  static const int kMaxTries = 5;
-  // How long to wait between each try.
-  static const int kTryDelayMs = 200;
-};
-
-// Windows callback for OnDestroy to detach the plugin windows.
-BOOL CALLBACK DetachPluginWindowsCallback(HWND window, LPARAM param) {
-  if (webkit::npapi::WebPluginDelegateImpl::IsPluginDelegateWindow(window) &&
-      !IsHungAppWindow(window)) {
-    ::ShowWindow(window, SW_HIDE);
-    SetParent(window, NULL);
-  }
-  return TRUE;
-}
-
-// Draw the contents of |backing_store_dc| onto |paint_rect| with a 70% grey
-// filter.
-void DrawDeemphasized(const SkColor& color,
-                      const gfx::Rect& paint_rect,
-                      HDC backing_store_dc,
-                      HDC paint_dc) {
-  gfx::CanvasSkia canvas(paint_rect.width(), paint_rect.height(), true);
-  {
-    skia::ScopedPlatformPaint scoped_platform_paint(&canvas);
-    HDC dc = scoped_platform_paint.GetPlatformSurface();
-    BitBlt(dc,
-           0,
-           0,
-           paint_rect.width(),
-           paint_rect.height(),
-           backing_store_dc,
-           paint_rect.x(),
-           paint_rect.y(),
-           SRCCOPY);
-  }
-  canvas.FillRectInt(color, 0, 0, paint_rect.width(), paint_rect.height());
-  skia::DrawToNativeContext(&canvas, paint_dc, paint_rect.x(),
-                            paint_rect.y(), NULL);
-}
-
-// The plugin wrapper window which lives in the browser process has this proc
-// as its window procedure. We only handle the WM_PARENTNOTIFY message sent by
-// windowed plugins for mouse input. This is forwarded off to the wrappers
-// parent which is typically the RVH window which turns on user gesture.
-LRESULT CALLBACK PluginWrapperWindowProc(HWND window, unsigned int message,
-                                         WPARAM wparam, LPARAM lparam) {
-  if (message == WM_PARENTNOTIFY) {
-    switch (LOWORD(wparam)) {
-      case WM_LBUTTONDOWN:
-      case WM_RBUTTONDOWN:
-      case WM_MBUTTONDOWN:
-        ::SendMessage(GetParent(window), message, wparam, lparam);
-        return 0;
-      default:
-        break;
-    }
-  }
-  return ::DefWindowProc(window, message, wparam, lparam);
-}
-
-// Must be dynamically loaded to avoid startup failures on Win XP.
-typedef BOOL (WINAPI *ChangeWindowMessageFilterExFunction)(
-    HWND hwnd,
-    UINT message,
-    DWORD action,
-    PCHANGEFILTERSTRUCT change_filter_struct);
-ChangeWindowMessageFilterExFunction g_ChangeWindowMessageFilterEx;
-
-}  // namespace
-
-///////////////////////////////////////////////////////////////////////////////
-// RenderWidgetHostViewWin, public:
-
-RenderWidgetHostViewWin::RenderWidgetHostViewWin(RenderWidgetHost* widget)
-    : render_widget_host_(widget),
-      compositor_host_window_(NULL),
-      hide_compositor_window_at_next_paint_(false),
-      track_mouse_leave_(false),
-      ime_notification_(false),
-      capture_enter_key_(false),
-      is_hidden_(false),
-      about_to_validate_and_paint_(false),
-      close_on_deactivate_(false),
-      being_destroyed_(false),
-      tooltip_hwnd_(NULL),
-      tooltip_showing_(false),
-      shutdown_factory_(this),
-      parent_hwnd_(NULL),
-      is_loading_(false),
-      overlay_color_(0),
-      text_input_type_(ui::TEXT_INPUT_TYPE_NONE),
-      is_fullscreen_(false) {
-  render_widget_host_->SetView(this);
-  registrar_.Add(this,
-                 content::NOTIFICATION_RENDERER_PROCESS_TERMINATED,
-                 NotificationService::AllSources());
-}
-
-RenderWidgetHostViewWin::~RenderWidgetHostViewWin() {
-  ResetTooltip();
-}
-
-void RenderWidgetHostViewWin::CreateWnd(HWND parent) {
-  Create(parent);  // ATL function to create the window.
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// RenderWidgetHostViewWin, RenderWidgetHostView implementation:
-
-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::GetMonitorAreaNearestWindow(
-      reference_host_view->GetNativeView());
-  is_fullscreen_ = true;
-  DoPopupOrFullscreenInit(GetDesktopWindow(), pos, 0);
-}
-
-RenderWidgetHost* RenderWidgetHostViewWin::GetRenderWidgetHost() const {
-  return render_widget_host_;
-}
-
-void RenderWidgetHostViewWin::DidBecomeSelected() {
-  if (!is_hidden_)
-    return;
-
-  if (tab_switch_paint_time_.is_null())
-    tab_switch_paint_time_ = TimeTicks::Now();
-  is_hidden_ = false;
-  EnsureTooltip();
-  render_widget_host_->WasRestored();
-}
-
-void RenderWidgetHostViewWin::WasHidden() {
-  if (is_hidden_)
-    return;
-
-  // If we receive any more paint messages while we are hidden, we want to
-  // ignore them so we don't re-allocate the backing store.  We will paint
-  // everything again when we become selected again.
-  is_hidden_ = true;
-
-  ResetTooltip();
-
-  // If we have a renderer, then inform it that we are being hidden so it can
-  // reduce its resource utilization.
-  render_widget_host_->WasHidden();
-
-  // TODO(darin): what about constrained windows?  it doesn't look like they
-  // see a message when their parent is hidden.  maybe there is something more
-  // generic we can do at the TabContents API level instead of relying on
-  // Windows messages.
-}
-
-void RenderWidgetHostViewWin::SetSize(const gfx::Size& size) {
-  SetBounds(gfx::Rect(GetViewBounds().origin(), size));
-}
-
-void RenderWidgetHostViewWin::SetBounds(const gfx::Rect& rect) {
-  if (is_hidden_)
-    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();
-  EnsureTooltip();
-}
-
-gfx::NativeView RenderWidgetHostViewWin::GetNativeView() const {
-  return m_hWnd;
-}
-
-gfx::NativeViewId RenderWidgetHostViewWin::GetNativeViewId() const {
-  return reinterpret_cast<gfx::NativeViewId>(m_hWnd);
-}
-
-void RenderWidgetHostViewWin::MovePluginWindows(
-    const std::vector<WebPluginGeometry>& plugin_window_moves) {
-  if (plugin_window_moves.empty())
-    return;
-
-  bool oop_plugins =
-    !CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess) &&
-    !CommandLine::ForCurrentProcess()->HasSwitch(switches::kInProcessPlugins);
-
-  HDWP defer_window_pos_info =
-      ::BeginDeferWindowPos(static_cast<int>(plugin_window_moves.size()));
-
-  if (!defer_window_pos_info) {
-    NOTREACHED();
-    return;
-  }
-
-  for (size_t i = 0; i < plugin_window_moves.size(); ++i) {
-    unsigned long flags = 0;
-    const WebPluginGeometry& move = plugin_window_moves[i];
-    HWND window = move.window;
-
-    // As the plugin parent window which lives on the browser UI thread is
-    // destroyed asynchronously, it is possible that we have a stale window
-    // sent in by the renderer for moving around.
-    // Note: get the parent before checking if the window is valid, to avoid a
-    // race condition where the window is destroyed after the check but before
-    // the GetParent call.
-    HWND parent = ::GetParent(window);
-    if (!::IsWindow(window))
-      continue;
-
-    if (oop_plugins) {
-      if (parent == m_hWnd) {
-        // The plugin window is a direct child of this window, add an
-        // intermediate window that lives on this thread to speed up scrolling.
-        // Note this only works with out of process plugins since we depend on
-        // PluginProcessHost to destroy the intermediate HWNDs.
-        parent = ReparentWindow(window);
-        ::ShowWindow(window, SW_SHOW);  // Window was created hidden.
-      } else if (::GetParent(parent) != m_hWnd) {
-        // The renderer should only be trying to move windows that are children
-        // of its render widget window. However, this may happen as a result of
-        // a race condition, so we ignore it and not kill the plugin process.
-        continue;
-      }
-
-      // We move the intermediate parent window which doesn't result in cross-
-      // process synchronous Windows messages.
-      window = parent;
-    }
-
-    if (move.visible)
-      flags |= SWP_SHOWWINDOW;
-    else
-      flags |= SWP_HIDEWINDOW;
-
-    if (move.rects_valid) {
-      HRGN hrgn = ::CreateRectRgn(move.clip_rect.x(),
-                                  move.clip_rect.y(),
-                                  move.clip_rect.right(),
-                                  move.clip_rect.bottom());
-      gfx::SubtractRectanglesFromRegion(hrgn, move.cutout_rects);
-
-      // Note: System will own the hrgn after we call SetWindowRgn,
-      // so we don't need to call DeleteObject(hrgn)
-      ::SetWindowRgn(window, hrgn, !move.clip_rect.IsEmpty());
-    } else {
-      flags |= SWP_NOMOVE;
-      flags |= SWP_NOSIZE;
-    }
-
-    defer_window_pos_info = ::DeferWindowPos(defer_window_pos_info,
-                                             window, NULL,
-                                             move.window_rect.x(),
-                                             move.window_rect.y(),
-                                             move.window_rect.width(),
-                                             move.window_rect.height(), flags);
-    if (!defer_window_pos_info) {
-      DCHECK(false) << "DeferWindowPos failed, so all plugin moves ignored.";
-      return;
-    }
-  }
-
-  ::EndDeferWindowPos(defer_window_pos_info);
-}
-
-HWND RenderWidgetHostViewWin::ReparentWindow(HWND window) {
-  static ATOM window_class = 0;
-  if (!window_class) {
-    WNDCLASSEX wcex;
-    wcex.cbSize         = sizeof(WNDCLASSEX);
-    wcex.style          = CS_DBLCLKS;
-    wcex.lpfnWndProc    = base::win::WrappedWindowProc<PluginWrapperWindowProc>;
-    wcex.cbClsExtra     = 0;
-    wcex.cbWndExtra     = 0;
-    wcex.hInstance      = GetModuleHandle(NULL);
-    wcex.hIcon          = 0;
-    wcex.hCursor        = 0;
-    wcex.hbrBackground  = reinterpret_cast<HBRUSH>(COLOR_WINDOW+1);
-    wcex.lpszMenuName   = 0;
-    wcex.lpszClassName  = webkit::npapi::kWrapperNativeWindowClassName;
-    wcex.hIconSm        = 0;
-    window_class = RegisterClassEx(&wcex);
-  }
-  DCHECK(window_class);
-
-  HWND orig_parent = ::GetParent(window);
-  HWND parent = CreateWindowEx(
-      WS_EX_LEFT | WS_EX_LTRREADING | WS_EX_RIGHTSCROLLBAR,
-      MAKEINTATOM(window_class), 0,
-      WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
-      0, 0, 0, 0, orig_parent, 0, GetModuleHandle(NULL), 0);
-  ui::CheckWindowCreated(parent);
-  // If UIPI is enabled we need to add message filters for parents with
-  // children that cross process boundaries.
-  if (::GetPropW(orig_parent, webkit::npapi::kNativeWindowClassFilterProp)) {
-    // Process-wide message filters required on Vista must be added to:
-    // chrome_content_client.cc ChromeContentClient::SandboxPlugin
-    if (!g_ChangeWindowMessageFilterEx) {
-      g_ChangeWindowMessageFilterEx =
-          reinterpret_cast<ChangeWindowMessageFilterExFunction>(
-              ::GetProcAddress(::GetModuleHandle(L"user32.dll"),
-                               "ChangeWindowMessageFilterEx"));
-    }
-    // Process-wide message filters required on Vista must be added to:
-    // chrome_content_client.cc ChromeContentClient::SandboxPlugin
-    g_ChangeWindowMessageFilterEx(parent, WM_MOUSEWHEEL, MSGFLT_ALLOW, NULL);
-    g_ChangeWindowMessageFilterEx(parent, WM_GESTURE, MSGFLT_ALLOW, NULL);
-    ::SetPropW(orig_parent, webkit::npapi::kNativeWindowClassFilterProp, NULL);
-  }
-  ::SetParent(window, parent);
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      new NotifyPluginProcessHostTask(window, parent));
-  return parent;
-}
-
-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;
-
-  // 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,
-      NewRunnableFunction(::DestroyWindow, compositor_host_window_),
-      kDestroyCompositorHostWindowDelay);
-
-  compositor_host_window_ = NULL;
-}
-
-bool RenderWidgetHostViewWin::IsActivatable() const {
-  // Popups should not be activated.
-  return popup_type_ == WebKit::WebPopupTypeNone;
-}
-
-void RenderWidgetHostViewWin::Focus() {
-  if (IsWindow())
-    SetFocus();
-}
-
-void RenderWidgetHostViewWin::Blur() {
-  views::Widget* widget = views::Widget::GetTopLevelWidgetForNativeView(m_hWnd);
-  if (widget) {
-    views::FocusManager* focus_manager = widget->GetFocusManager();
-    // We don't have a FocusManager if we are hidden.
-    if (focus_manager)
-      focus_manager->ClearFocus();
-  }
-}
-
-bool RenderWidgetHostViewWin::HasFocus() {
-  return ::GetFocus() == m_hWnd;
-}
-
-void RenderWidgetHostViewWin::Show() {
-  if (!is_fullscreen_) {
-    DCHECK(parent_hwnd_);
-    DCHECK(parent_hwnd_ != GetDesktopWindow());
-    SetParent(parent_hwnd_);
-  }
-  ShowWindow(SW_SHOW);
-
-  DidBecomeSelected();
-}
-
-void RenderWidgetHostViewWin::Hide() {
-  if (!is_fullscreen_ && GetParent() == GetDesktopWindow()) {
-    LOG(WARNING) << "Hide() called twice in a row: " << this << ":" <<
-        parent_hwnd_ << ":" << GetParent();
-    return;
-  }
-
-  if (::GetFocus() == m_hWnd)
-    ::SetFocus(NULL);
-  ShowWindow(SW_HIDE);
-
-  if (!is_fullscreen_) {
-    // Cache the old parent, then orphan the window so we stop receiving
-    // messages.
-    parent_hwnd_ = GetParent();
-    SetParent(NULL);
-  }
-
-  WasHidden();
-}
-
-bool RenderWidgetHostViewWin::IsShowing() {
-  return !!IsWindowVisible();
-}
-
-gfx::Rect RenderWidgetHostViewWin::GetViewBounds() 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(
-      content::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) {
-    BOOL result = ::ScreenToClient(m_hWnd, &pt);
-    DCHECK(result);
-    // 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::ImeUpdateTextInputState(
-    ui::TextInputType type,
-    bool can_compose_inline,
-    const gfx::Rect& caret_rect) {
-  // TODO(kinaba): currently, can_compose_inline is ignored and always treated
-  // as true. We need to support "can_compose_inline=false" for PPAPI plugins
-  // that may want to avoid drawing composition-text by themselves and pass
-  // the responsibility to the browser.
-  bool is_enabled = (type != ui::TEXT_INPUT_TYPE_NONE &&
-      type != ui::TEXT_INPUT_TYPE_PASSWORD);
-  if (text_input_type_ != type) {
-    text_input_type_ = type;
-    if (is_enabled)
-      ime_input_.EnableIME(m_hWnd);
-    else
-      ime_input_.DisableIME(m_hWnd);
-  }
-
-  // Only update caret position if the input method is enabled.
-  if (is_enabled)
-    ime_input_.UpdateCaretRect(m_hWnd, caret_rect);
-}
-
-void RenderWidgetHostViewWin::ImeCancelComposition() {
-  ime_input_.CancelIME(m_hWnd);
-}
-
-BOOL CALLBACK EnumChildProc(HWND hwnd, LPARAM lparam) {
-  if (!webkit::npapi::WebPluginDelegateImpl::IsPluginDelegateWindow(hwnd))
-    return TRUE;
-
-  gfx::Rect* rect = reinterpret_cast<gfx::Rect*>(lparam);
-  static UINT msg = RegisterWindowMessage(webkit::npapi::kPaintMessageName);
-  WPARAM wparam = rect->x() << 16 | rect->y();
-  lparam = rect->width() << 16 | rect->height();
-
-  // SendMessage gets the message across much quicker than PostMessage, since it
-  // doesn't get queued.  When the plugin thread calls PeekMessage or other
-  // Win32 APIs, sent messages are dispatched automatically.
-  SendNotifyMessage(hwnd, msg, wparam, lparam);
-
-  return TRUE;
-}
-
-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 screen_rect = GetViewBounds();
-  gfx::Rect invalid_screen_rect(damage_bounds);
-  invalid_screen_rect.Offset(screen_rect.x(), screen_rect.y());
-
-  LPARAM lparam = reinterpret_cast<LPARAM>(&invalid_screen_rect);
-  EnumChildWindows(m_hWnd, EnumChildProc, lparam);
-}
-
-void RenderWidgetHostViewWin::DidUpdateBackingStore(
-    const gfx::Rect& scroll_rect, int scroll_dx, int scroll_dy,
-    const std::vector<gfx::Rect>& copy_rects) {
-  if (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)
-    InvalidateRect(&copy_rects[i].ToRECT(), false);
-
-  if (!scroll_rect.IsEmpty()) {
-    RECT clip_rect = scroll_rect.ToRECT();
-    ScrollWindowEx(scroll_dx, scroll_dy, NULL, &clip_rect, NULL, NULL,
-                   SW_INVALIDATE);
-  }
-
-  if (!about_to_validate_and_paint_)
-    Redraw();
-}
-
-void RenderWidgetHostViewWin::RenderViewGone(base::TerminationStatus status,
-                                             int error_code) {
-  // TODO(darin): keep this around, and draw sad-tab into it.
-  UpdateCursorIfOverSelf();
-  being_destroyed_ = true;
-  CleanupCompositorWindow();
-  DestroyWindow();
-}
-
-void RenderWidgetHostViewWin::WillWmDestroy() {
-  CleanupCompositorWindow();
-}
-
-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();
-  DestroyWindow();
-}
-
-void RenderWidgetHostViewWin::SetTooltipText(const std::wstring& tooltip_text) {
-  // 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 std::wstring& new_tooltip_text =
-      ui::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::SetBackground(const SkBitmap& background) {
-  RenderWidgetHostView::SetBackground(background);
-  Send(new ViewMsg_SetBackground(render_widget_host_->routing_id(),
-                                 background));
-}
-
-void RenderWidgetHostViewWin::SetVisuallyDeemphasized(const SkColor* color,
-                                                      bool animate) {
-  // |animate| is not yet implemented, and currently isn't used.
-  CHECK(!animate);
-
-  SkColor overlay_color = color ? *color : 0;
-  if (overlay_color_ == overlay_color)
-    return;
-  overlay_color_ = overlay_color;
-
-  InvalidateRect(NULL, FALSE);
-}
-
-void RenderWidgetHostViewWin::UnhandledWheelEvent(
-    const WebKit::WebMouseWheelEvent& event) {
-}
-
-void RenderWidgetHostViewWin::SetHasHorizontalScrollbar(
-    bool has_horizontal_scrollbar) {
-}
-
-void RenderWidgetHostViewWin::SetScrollOffsetPinning(
-    bool is_pinned_to_left, bool is_pinned_to_right) {
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// RenderWidgetHostViewWin, private:
-
-LRESULT RenderWidgetHostViewWin::OnCreate(CREATESTRUCT* create_struct) {
-  // 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(views::SetWindowSupportsRerouteMouseWheel(m_hWnd));
-  props_.push_back(new ViewProp(m_hWnd, kRenderWidgetHostViewKey,
-                                static_cast<RenderWidgetHostView*>(this)));
-
-  return 0;
-}
-
-void RenderWidgetHostViewWin::OnActivate(UINT action, BOOL minimized,
-                                         HWND window) {
-  // 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() {
-  // When a tab is closed all its child plugin windows are destroyed
-  // automatically. This happens before plugins get any notification that its
-  // instances are tearing down.
-  //
-  // Plugins like Quicktime assume that their windows will remain valid as long
-  // as they have plugin instances active. Quicktime crashes in this case
-  // because its windowing code cleans up an internal data structure that the
-  // handler for NPP_DestroyStream relies on.
-  //
-  // The fix is to detach plugin windows from web contents when it is going
-  // away. This will prevent the plugin windows from getting destroyed
-  // automatically. The detached plugin windows will get cleaned up in proper
-  // sequence as part of the usual cleanup when the plugin instance goes away.
-  EnumChildWindows(m_hWnd, DetachPluginWindowsCallback, NULL);
-
-  props_.reset();
-
-  CleanupCompositorWindow();
-
-  ResetTooltip();
-  TrackMouseLeave(false);
-}
-
-void RenderWidgetHostViewWin::OnPaint(HDC unused_dc) {
-  if (!render_widget_host_)
-    return;
-
-  DCHECK(render_widget_host_->process()->HasConnection());
-
-  // If the GPU process is rendering directly into the View, compositing is
-  // already triggered by damage to compositor_host_window_, so all we need to
-  // do here is clear borders during resize.
-  if (render_widget_host_->is_accelerated_compositing_active()) {
-    // We initialize paint_dc here so that BeginPaint()/EndPaint()
-    // get called to validate the region.
-    CPaintDC paint_dc(m_hWnd);
-    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;
-  }
-
-  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;
-
-  // 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);
-
-  if (hide_compositor_window_at_next_paint_) {
-    ::ShowWindow(compositor_host_window_, SW_HIDE);
-    hide_compositor_window_at_next_paint_ = false;
-  }
-
-  CPaintDC paint_dc(m_hWnd);
-
-  gfx::Rect damaged_rect(paint_dc.m_ps.rcPaint);
-  if (damaged_rect.IsEmpty())
-    return;
-
-  if (backing_store) {
-    gfx::Rect bitmap_rect(gfx::Point(), 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_array<char> region_data_buf(new char[data_size]);
-    RGNDATA* region_data = reinterpret_cast<RGNDATA*>(region_data_buf.get());
-    GetRegionData(damage_region, data_size, region_data);
-
-    RECT* region_rects = reinterpret_cast<RECT*>(region_data->Buffer);
-    for (DWORD i = 0; i < region_data->rdh.nCount; ++i) {
-      gfx::Rect paint_rect = bitmap_rect.Intersect(gfx::Rect(region_rects[i]));
-      if (!paint_rect.IsEmpty()) {
-        if (SkColorGetA(overlay_color_) > 0) {
-          DrawDeemphasized(overlay_color_,
-                           paint_rect,
-                           backing_store->hdc(),
-                           paint_dc.m_hDC);
-        } else {
-          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 (!tab_switch_paint_time_.is_null()) {
-      TimeDelta tab_switch_paint_duration = TimeTicks::Now() -
-          tab_switch_paint_time_;
-      UMA_HISTOGRAM_TIMES("MPArch.RWH_TabSwitchPaintDuration",
-          tab_switch_paint_duration);
-      // Reset tab_switch_paint_time_ to 0 so future tab selections are
-      // recorded.
-      tab_switch_paint_time_ = TimeTicks();
-    }
-  } 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::CanvasSkia canvas(dirty_rect.right - dirty_rect.left,
-                           dirty_rect.bottom - dirty_rect.top,
-                           true);  // opaque
-    canvas.TranslateInt(-dirty_rect.left, -dirty_rect.top);
-
-    const RECT& dc_rect = dc->m_ps.rcPaint;
-    canvas.TileImageInt(background_, 0, 0,
-                        dc_rect.right - dc_rect.left,
-                        dc_rect.bottom - dc_rect.top);
-
-    skia::DrawToNativeContext(&canvas, *dc, dirty_rect.left, dirty_rect.top,
-                              NULL);
-  } else {
-    HBRUSH white_brush = reinterpret_cast<HBRUSH>(GetStockObject(WHITE_BRUSH));
-    dc->FillRect(&dirty_rect, white_brush);
-  }
-}
-
-void RenderWidgetHostViewWin::OnNCPaint(HRGN update_region) {
-  // Do nothing.  This suppresses the resize corner that Windows would
-  // otherwise draw for us.
-}
-
-LRESULT RenderWidgetHostViewWin::OnEraseBkgnd(HDC dc) {
-  return 1;
-}
-
-LRESULT RenderWidgetHostViewWin::OnSetCursor(HWND window, UINT hittest_code,
-                                             UINT mouse_message_id) {
-  UpdateCursorIfOverSelf();
-  return 0;
-}
-
-void RenderWidgetHostViewWin::OnSetFocus(HWND window) {
-  views::FocusManager::GetWidgetFocusManager()->OnWidgetFocusEvent(window,
-                                                                   m_hWnd);
-  if (browser_accessibility_manager_.get())
-    browser_accessibility_manager_->GotFocus();
-  if (render_widget_host_)
-    render_widget_host_->GotFocus();
-}
-
-void RenderWidgetHostViewWin::OnKillFocus(HWND window) {
-  views::FocusManager::GetWidgetFocusManager()->OnWidgetFocusEvent(m_hWnd,
-                                                                   window);
-
-  if (render_widget_host_)
-    render_widget_host_->Blur();
-}
-
-void RenderWidgetHostViewWin::OnCaptureChanged(HWND window) {
-  if (render_widget_host_)
-    render_widget_host_->LostCapture();
-}
-
-void RenderWidgetHostViewWin::OnCancelMode() {
-  if (render_widget_host_)
-    render_widget_host_->LostCapture();
-
-  if ((is_fullscreen_ || close_on_deactivate_) &&
-      shutdown_factory_.empty()) {
-    // 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);
-    MessageLoop::current()->PostTask(FROM_HERE,
-        shutdown_factory_.NewRunnableMethod(
-            &RenderWidgetHostViewWin::ShutdownHost));
-  }
-}
-
-void RenderWidgetHostViewWin::OnInputLangChange(DWORD character_set,
-                                                HKL input_language_id) {
-  // Send the given Locale ID to the ImeInput 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 = ime_input_.SetInputLanguage();
-  if (ime_status != ime_notification_) {
-    if (render_widget_host_) {
-      render_widget_host_->SetInputMethodActive(ime_status);
-      ime_notification_ = ime_status;
-    }
-  }
-}
-
-void RenderWidgetHostViewWin::OnThemeChanged() {
-  if (!render_widget_host_)
-    return;
-  render_widget_host_->Send(new ViewMsg_ThemeChanged(
-      render_widget_host_->routing_id()));
-}
-
-LRESULT RenderWidgetHostViewWin::OnNotify(int w_param, NMHDR* header) {
-  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_t*>(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_showing_ = true;
-      SetMsgHandled(TRUE);
-      break;
-  }
-  return 0;
-}
-
-LRESULT RenderWidgetHostViewWin::OnImeSetContext(
-    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
-  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_)
-    ime_input_.CreateImeWindow(m_hWnd);
-
-  ime_input_.CleanupComposition(m_hWnd);
-  return ime_input_.SetImeWindowStyle(
-      m_hWnd, message, wparam, lparam, &handled);
-}
-
-LRESULT RenderWidgetHostViewWin::OnImeStartComposition(
-    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
-  if (!render_widget_host_)
-    return 0;
-
-  // Reset the composition status and create IME windows.
-  ime_input_.CreateImeWindow(m_hWnd);
-  ime_input_.ResetComposition(m_hWnd);
-  // We have to prevent WTL from calling ::DefWindowProc() because the function
-  // calls ::ImmSetCompositionWindow() and ::ImmSetCandidateWindow() to
-  // over-write the position of IME windows.
-  handled = TRUE;
-  return 0;
-}
-
-LRESULT RenderWidgetHostViewWin::OnImeComposition(
-    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
-  if (!render_widget_host_)
-    return 0;
-
-  // At first, update the position of the IME window.
-  ime_input_.UpdateImeWindow(m_hWnd);
-
-  // ui::CompositionUnderline should be identical to
-  // WebKit::WebCompositionUnderline, so that we can do reinterpret_cast safely.
-  COMPILE_ASSERT(sizeof(ui::CompositionUnderline) ==
-                 sizeof(WebKit::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 (ime_input_.GetResult(m_hWnd, lparam, &composition.text)) {
-    render_widget_host_->ImeConfirmComposition(composition.text);
-    ime_input_.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 (ime_input_.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 = ui::Range(composition.selection.end());
-
-    // TODO(suzhe): convert both renderer_host and renderer to use
-    // ui::CompositionText.
-    const std::vector<WebKit::WebCompositionUnderline>& underlines =
-        reinterpret_cast<const std::vector<WebKit::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;
-  return 0;
-}
-
-LRESULT RenderWidgetHostViewWin::OnImeEndComposition(
-    UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled) {
-  if (!render_widget_host_)
-    return 0;
-
-  if (ime_input_.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 ImeInput object and
-    // of the renderer process.
-    render_widget_host_->ImeCancelComposition();
-    ime_input_.ResetComposition(m_hWnd);
-  }
-  ime_input_.DestroyImeWindow(m_hWnd);
-  // Let WTL call ::DefWindowProc() and release its resources.
-  handled = FALSE;
-  return 0;
-}
-
-LRESULT RenderWidgetHostViewWin::OnMouseEvent(UINT message, WPARAM wparam,
-                                              LPARAM lparam, BOOL& handled) {
-  handled = TRUE;
-
-  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));
-  }
-
-  // TODO(jcampan): I am not sure if we should forward the message to the
-  // TabContents first in the case of popups.  If we do, we would need to
-  // convert the click from the popup window coordinates to the TabContents'
-  // 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 TabContents 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.
-        ime_input_.CleanupComposition(m_hWnd);
-        // Fall through.
-      case WM_MOUSEMOVE:
-      case WM_MOUSELEAVE: {
-        // Give the TabContents 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)
-          return 1;
-      }
-    }
-  }
-
-  ForwardMouseEventToRenderer(message, wparam, lparam);
-  return 0;
-}
-
-LRESULT RenderWidgetHostViewWin::OnKeyEvent(UINT message, WPARAM wparam,
-                                            LPARAM lparam, BOOL& handled) {
-  handled = TRUE;
-
-  // Force fullscreen windows to close on Escape.
-  if (is_fullscreen_ && (message == WM_KEYDOWN || message == WM_KEYUP) &&
-      wparam == VK_ESCAPE) {
-    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'))) {
-    DCHECK(parent_hwnd_);
-    // First close the pop-up.
-    SendMessage(WM_CANCELMODE);
-    // Then move the focus by forwarding the tab key to the parent.
-    return ::SendMessage(parent_hwnd_, 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::ImeInput::IsRTLKeyboardLayoutInstalled()) {
-    if (message == WM_KEYDOWN) {
-      if (wparam == VK_SHIFT) {
-        base::i18n::TextDirection dir;
-        if (ui::ImeInput::IsCtrlShiftPressed(&dir)) {
-          render_widget_host_->UpdateTextDirection(
-              dir == base::i18n::RIGHT_TO_LEFT ?
-              WebKit::WebTextDirectionRightToLeft :
-              WebKit::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) {
-    render_widget_host_->ForwardKeyboardEvent(
-        NativeWebKeyboardEvent(m_hWnd, message, wparam, lparam));
-  }
-  return 0;
-}
-
-LRESULT RenderWidgetHostViewWin::OnWheelEvent(UINT message, WPARAM wparam,
-                                              LPARAM lparam, BOOL& handled) {
-  // Forward the mouse-wheel message to the window under the mouse if it belongs
-  // to us.
-  if (message == WM_MOUSEWHEEL &&
-      views::RerouteMouseWheel(m_hWnd, wparam, lparam)) {
-    handled = TRUE;
-    return 0;
-  }
-
-  // Workaround for Thinkpad mousewheel driver. 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));
-  }
-
-  // This is a bit of a hack, but will work for now since we don't want to
-  // pollute this object with TabContents-specific functionality...
-  bool handled_by_TabContents = false;
-  if (!is_fullscreen_ && GetParent()) {
-    // Use a special reflected message to break recursion. If we send
-    // WM_MOUSEWHEEL, the focus manager subclass of web contents will
-    // route it back here.
-    MSG new_message = {0};
-    new_message.hwnd = m_hWnd;
-    new_message.message = message;
-    new_message.wParam = wparam;
-    new_message.lParam = lparam;
-
-    handled_by_TabContents =
-        !!::SendMessage(GetParent(), views::kReflectedMessage, 0,
-                        reinterpret_cast<LPARAM>(&new_message));
-  }
-
-  if (!handled_by_TabContents && render_widget_host_) {
-    render_widget_host_->ForwardWheelEvent(
-        WebInputEventFactory::mouseWheelEvent(m_hWnd, message, wparam,
-                                              lparam));
-  }
-  handled = TRUE;
-  return 0;
-}
-
-LRESULT RenderWidgetHostViewWin::OnMouseActivate(UINT message,
-                                                 WPARAM wparam,
-                                                 LPARAM lparam,
-                                                 BOOL& handled) {
-  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 (ui::GetClassName(child_window) ==
-              webkit::npapi::kWrapperNativeWindowClassName)
-        child_window = ::GetWindow(child_window, GW_CHILD);
-
-      ::SetFocus(child_window);
-      return MA_NOACTIVATE;
-    }
-  }
-  handled = FALSE;
-  render_widget_host_->OnMouseActivate();
-  return MA_ACTIVATE;
-}
-
-void RenderWidgetHostViewWin::OnAccessibilityNotifications(
-    const std::vector<ViewHostMsg_AccessibilityNotification_Params>& params) {
-  if (!browser_accessibility_manager_.get()) {
-    browser_accessibility_manager_.reset(
-        BrowserAccessibilityManager::CreateEmptyDocument(
-            m_hWnd, static_cast<WebAccessibility::State>(0), this));
-  }
-  browser_accessibility_manager_->OnAccessibilityNotifications(params);
-}
-
-void RenderWidgetHostViewWin::Observe(int type,
-                                      const NotificationSource& source,
-                                      const NotificationDetails& details) {
-  DCHECK(type == content::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_->process())
-    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.
-  browser_accessibility_manager_.reset(NULL);
-}
-
-static void PaintCompositorHostWindow(HWND hWnd) {
-  PAINTSTRUCT paint;
-  BeginPaint(hWnd, &paint);
-
-  RenderWidgetHostViewWin* win = static_cast<RenderWidgetHostViewWin*>(
-      ui::GetWindowUserData(hWnd));
-  // Trigger composite to rerender window.
-  if (win)
-    win->ScheduleComposite();
-
-  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_DESTROY:
-    ui::SetWindowUserData(hWnd, NULL);
-    return 0;
-  case WM_PAINT:
-    PaintCompositorHostWindow(hWnd);
-    return 0;
-  default:
-    return DefWindowProc(hWnd, message, wParam, lParam);
-  }
-}
-
-void RenderWidgetHostViewWin::ScheduleComposite() {
-  if (render_widget_host_)
-    render_widget_host_->ScheduleComposite();
-}
-
-// 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::PluginWindowHandle RenderWidgetHostViewWin::GetCompositingSurface() {
-  // If the window has been created, don't recreate it a second time
-  if (compositor_host_window_)
-    return compositor_host_window_;
-
-  static ATOM window_class = 0;
-  if (!window_class) {
-    WNDCLASSEX wcex;
-    wcex.cbSize         = sizeof(WNDCLASSEX);
-    wcex.style          = 0;
-    wcex.lpfnWndProc    =
-        base::win::WrappedWindowProc<CompositorHostWindowProc>;
-    wcex.cbClsExtra     = 0;
-    wcex.cbWndExtra     = 0;
-    wcex.hInstance      = GetModuleHandle(NULL);
-    wcex.hIcon          = 0;
-    wcex.hCursor        = 0;
-    wcex.hbrBackground  = NULL;
-    wcex.lpszMenuName   = 0;
-    wcex.lpszClassName  = L"CompositorHostWindowClass";
-    wcex.hIconSm        = 0;
-    window_class = RegisterClassEx(&wcex);
-    DCHECK(window_class);
-  }
-
-  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(window_class), 0,
-    WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_DISABLED,
-    0, 0, width, height, m_hWnd, 0, GetModuleHandle(NULL), 0);
-  ui::CheckWindowCreated(compositor_host_window_);
-
-  ui::SetWindowUserData(compositor_host_window_, this);
-
-  return static_cast<gfx::PluginWindowHandle>(compositor_host_window_);
-}
-
-void RenderWidgetHostViewWin::ShowCompositorHostWindow(bool show) {
-  // 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 {
-    hide_compositor_window_at_next_paint_ = true;
-  }
-}
-
-void RenderWidgetHostViewWin::SetAccessibilityFocus(int acc_obj_id) {
-  if (!render_widget_host_)
-    return;
-
-  render_widget_host_->Send(new ViewMsg_SetAccessibilityFocus(
-      render_widget_host_->routing_id(), acc_obj_id));
-}
-
-void RenderWidgetHostViewWin::AccessibilityDoDefaultAction(int acc_obj_id) {
-  if (!render_widget_host_)
-    return;
-
-  render_widget_host_->Send(new ViewMsg_AccessibilityDoDefaultAction(
-      render_widget_host_->routing_id(), acc_obj_id));
-}
-
-IAccessible* RenderWidgetHostViewWin::GetIAccessible() {
-  if (render_widget_host_ && !render_widget_host_->renderer_accessible()) {
-    // Attempt to detect screen readers by sending an event with our custom id.
-    NotifyWinEvent(EVENT_SYSTEM_ALERT, m_hWnd, kIdCustom, CHILDID_SELF);
-  }
-
-  if (!browser_accessibility_manager_.get()) {
-    // Return busy document tree while renderer accessibility tree loads.
-    WebAccessibility::State busy_state =
-        static_cast<WebAccessibility::State>(1 << WebAccessibility::STATE_BUSY);
-    browser_accessibility_manager_.reset(
-        BrowserAccessibilityManager::CreateEmptyDocument(
-            m_hWnd, busy_state, this));
-  }
-
-  return browser_accessibility_manager_->GetRoot()->toBrowserAccessibilityWin();
-}
-
-LRESULT RenderWidgetHostViewWin::OnGetObject(UINT message, WPARAM wparam,
-                                             LPARAM lparam, BOOL& handled) {
-  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_->EnableRendererAccessibility();
-
-    // Return with failure.
-    return static_cast<LRESULT>(0L);
-  }
-
-  if (lparam != OBJID_CLIENT) {
-    handled = false;
-    return static_cast<LRESULT>(0L);
-  }
-
-  IAccessible* iaccessible = GetIAccessible();
-  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) {
-  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) {
-  // 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();
-  delete this;
-}
-
-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;
-  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;
-}
-
-void RenderWidgetHostViewWin::ForwardMouseEventToRenderer(UINT message,
-                                                          WPARAM wparam,
-                                                          LPARAM lparam) {
-  if (!render_widget_host_)
-    return;
-
-  WebMouseEvent event(
-      WebInputEventFactory::mouseEvent(m_hWnd, message, wparam, lparam));
-
-  // 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() {
-  shutdown_factory_.RevokeAll();
-  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) {
-  parent_hwnd_ = parent_hwnd;
-  Create(parent_hwnd_, NULL, NULL, WS_POPUP, ex_style);
-  MoveWindow(pos.x(), pos.y(), pos.width(), pos.height(), TRUE);
-  // To show tooltip on popup window.(e.g. title in <select>)
-  // Popups default to showing, which means |DidBecomeSelected()| isn't invoked.
-  // Ensure the tooltip is created otherwise tooltips are never shown.
-  EnsureTooltip();
-  ShowWindow(IsActivatable() ? SW_SHOW : SW_SHOWNA);
-}