Remove remote tree host and some related input and metro_driver code

win8/metro_driver/chrome_app_view_ash.cc

Index: win8/metro_driver/chrome_app_view_ash.cc
diff --git a/win8/metro_driver/chrome_app_view_ash.cc b/win8/metro_driver/chrome_app_view_ash.cc
deleted file mode 100644
index 01f9ba23441acf29317b8a110734e74ef6b40038..0000000000000000000000000000000000000000
--- a/win8/metro_driver/chrome_app_view_ash.cc
+++ /dev/null
@@ -1,1464 +0,0 @@
-// 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 "win8/metro_driver/stdafx.h"
-#include "win8/metro_driver/chrome_app_view_ash.h"
-
-#include <corewindow.h>
-#include <shellapi.h>
-#include <stdint.h>
-#include <windows.foundation.h>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/message_loop/message_loop.h"
-#include "base/path_service.h"
-#include "base/single_thread_task_runner.h"
-#include "base/win/windows_version.h"
-#include "chrome/common/chrome_switches.h"
-#include "ipc/ipc_channel.h"
-#include "ipc/ipc_channel_proxy.h"
-#include "ipc/ipc_sender.h"
-#include "ui/events/gesture_detection/motion_event.h"
-#include "ui/events/win/system_event_state_lookup.h"
-#include "ui/gfx/geometry/point_conversions.h"
-#include "ui/gfx/win/dpi.h"
-#include "ui/metro_viewer/metro_viewer_messages.h"
-#include "win8/metro_driver/file_picker_ash.h"
-#include "win8/metro_driver/ime/ime_popup_monitor.h"
-#include "win8/metro_driver/ime/input_source.h"
-#include "win8/metro_driver/ime/text_service.h"
-#include "win8/metro_driver/metro_driver.h"
-#include "win8/metro_driver/winrt_utils.h"
-#include "win8/viewer/metro_viewer_constants.h"
-
-typedef winfoundtn::ITypedEventHandler<
-    winapp::Core::CoreApplicationView*,
-    winapp::Activation::IActivatedEventArgs*> ActivatedHandler;
-
-typedef winfoundtn::ITypedEventHandler<
-    winui::Core::CoreWindow*,
-    winui::Core::PointerEventArgs*> PointerEventHandler;
-
-typedef winfoundtn::ITypedEventHandler<
-    winui::Core::CoreWindow*,
-    winui::Core::KeyEventArgs*> KeyEventHandler;
-
-typedef winfoundtn::ITypedEventHandler<
-    winui::Core::CoreDispatcher*,
-    winui::Core::AcceleratorKeyEventArgs*> AcceleratorKeyEventHandler;
-
-typedef winfoundtn::ITypedEventHandler<
-    winui::Core::CoreWindow*,
-    winui::Core::CharacterReceivedEventArgs*> CharEventHandler;
-
-typedef winfoundtn::ITypedEventHandler<
-    winui::Core::CoreWindow*,
-    winui::Core::WindowActivatedEventArgs*> WindowActivatedHandler;
-
-typedef winfoundtn::ITypedEventHandler<
-    winui::Core::CoreWindow*,
-    winui::Core::WindowSizeChangedEventArgs*> SizeChangedHandler;
-
-typedef winfoundtn::ITypedEventHandler<
-    winui::Input::EdgeGesture*,
-    winui::Input::EdgeGestureEventArgs*> EdgeEventHandler;
-
-// This function is exported by chrome.exe.
-typedef int (__cdecl *BreakpadExceptionHandler)(EXCEPTION_POINTERS* info);
-
-// Global information used across the metro driver.
-struct Globals {
-  winapp::Activation::ApplicationExecutionState previous_state;
-  winapp::Core::ICoreApplicationExit* app_exit;
-  BreakpadExceptionHandler breakpad_exception_handler;
-} globals;
-
-extern float GetModernUIScale();
-
-namespace {
-
-enum KeyModifier {
-  NONE,
-  SHIFT = 1,
-  CONTROL = 2,
-  ALT = 4
-};
-
-const int kChromeChannelPollTimerMs = 100;
-
-// Helper function to send keystrokes via the SendInput function.
-// mnemonic_char: The keystroke to be sent.
-// modifiers: Combination with Alt, Ctrl, Shift, etc.
-void SendKeySequence(
-    WORD mnemonic_char, KeyModifier modifiers) {
-  INPUT keys[4] = {};  // Keyboard events
-  int key_count = 0;  // Number of generated events
-
-  if (modifiers & SHIFT) {
-    keys[key_count].type = INPUT_KEYBOARD;
-    keys[key_count].ki.wVk = VK_SHIFT;
-    keys[key_count].ki.wScan = MapVirtualKey(VK_SHIFT, 0);
-    key_count++;
-  }
-
-  if (modifiers & CONTROL) {
-    keys[key_count].type = INPUT_KEYBOARD;
-    keys[key_count].ki.wVk = VK_CONTROL;
-    keys[key_count].ki.wScan = MapVirtualKey(VK_CONTROL, 0);
-    key_count++;
-  }
-
-  if (modifiers & ALT) {
-    keys[key_count].type = INPUT_KEYBOARD;
-    keys[key_count].ki.wVk = VK_MENU;
-    keys[key_count].ki.wScan = MapVirtualKey(VK_MENU, 0);
-    key_count++;
-  }
-
-  keys[key_count].type = INPUT_KEYBOARD;
-  keys[key_count].ki.wVk = mnemonic_char;
-  keys[key_count].ki.wScan = MapVirtualKey(mnemonic_char, 0);
-  key_count++;
-
-  bool should_sleep = key_count > 1;
-
-  // Send key downs.
-  for (int i = 0; i < key_count; i++) {
-    SendInput(1, &keys[ i ], sizeof(keys[0]));
-    keys[i].ki.dwFlags |= KEYEVENTF_KEYUP;
-    if (should_sleep)
-      Sleep(10);
-  }
-
-  // Now send key ups in reverse order.
-  for (int i = key_count; i; i--) {
-    SendInput(1, &keys[ i - 1 ], sizeof(keys[0]));
-    if (should_sleep)
-      Sleep(10);
-  }
-}
-
-class ChromeChannelListener : public IPC::Listener {
- public:
-  ChromeChannelListener(base::MessageLoop* ui_loop, ChromeAppViewAsh* app_view)
-      : ui_task_runner_(ui_loop->task_runner()), app_view_(app_view) {}
-
-  bool OnMessageReceived(const IPC::Message& message) override {
-    IPC_BEGIN_MESSAGE_MAP(ChromeChannelListener, message)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ActivateDesktop,
-                          OnActivateDesktop)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MetroExit, OnMetroExit)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_OpenURLOnDesktop,
-                          OnOpenURLOnDesktop)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetCursor, OnSetCursor)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_DisplayFileOpen,
-                          OnDisplayFileOpenDialog)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_DisplayFileSaveAs,
-                          OnDisplayFileSaveAsDialog)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_DisplaySelectFolder,
-                          OnDisplayFolderPicker)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_SetCursorPos, OnSetCursorPos)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ImeCancelComposition,
-                          OnImeCancelComposition)
-      IPC_MESSAGE_HANDLER(MetroViewerHostMsg_ImeTextInputClientUpdated,
-                          OnImeTextInputClientChanged)
-      IPC_MESSAGE_UNHANDLED(__debugbreak())
-    IPC_END_MESSAGE_MAP()
-    return true;
-  }
-
-  void OnChannelError() override {
-    DVLOG(1) << "Channel error. Exiting.";
-    ui_task_runner_->PostTask(
-        FROM_HERE,
-        base::Bind(&ChromeAppViewAsh::OnMetroExit, base::Unretained(app_view_),
-                   TERMINATE_USING_KEY_SEQUENCE));
-
-    // In early Windows 8 versions the code above sometimes fails so we call
-    // it a second time with a NULL window which just calls Exit().
-    ui_task_runner_->PostDelayedTask(
-        FROM_HERE,
-        base::Bind(&ChromeAppViewAsh::OnMetroExit, base::Unretained(app_view_),
-                   TERMINATE_USING_PROCESS_EXIT),
-        base::TimeDelta::FromMilliseconds(100));
-  }
-
- private:
-  void OnActivateDesktop(const base::FilePath& shortcut, bool ash_exit) {
-    ui_task_runner_->PostTask(
-        FROM_HERE, base::Bind(&ChromeAppViewAsh::OnActivateDesktop,
-                              base::Unretained(app_view_), shortcut, ash_exit));
-  }
-
-  void OnMetroExit() {
-    ui_task_runner_->PostTask(
-        FROM_HERE,
-        base::Bind(&ChromeAppViewAsh::OnMetroExit, base::Unretained(app_view_),
-                   TERMINATE_USING_KEY_SEQUENCE));
-  }
-
-  void OnOpenURLOnDesktop(const base::FilePath& shortcut,
-                          const base::string16& url) {
-    ui_task_runner_->PostTask(
-        FROM_HERE, base::Bind(&ChromeAppViewAsh::OnOpenURLOnDesktop,
-                              base::Unretained(app_view_), shortcut, url));
-  }
-
-  void OnSetCursor(int64_t cursor) {
-    ui_task_runner_->PostTask(
-        FROM_HERE,
-        base::Bind(&ChromeAppViewAsh::OnSetCursor, base::Unretained(app_view_),
-                   reinterpret_cast<HCURSOR>(cursor)));
-  }
-
-  void OnDisplayFileOpenDialog(const base::string16& title,
-                               const base::string16& filter,
-                               const base::FilePath& default_path,
-                               bool allow_multiple_files) {
-    ui_task_runner_->PostTask(
-        FROM_HERE, base::Bind(&ChromeAppViewAsh::OnDisplayFileOpenDialog,
-                              base::Unretained(app_view_), title, filter,
-                              default_path, allow_multiple_files));
-  }
-
-  void OnDisplayFileSaveAsDialog(
-    const MetroViewerHostMsg_SaveAsDialogParams& params) {
-    ui_task_runner_->PostTask(
-        FROM_HERE, base::Bind(&ChromeAppViewAsh::OnDisplayFileSaveAsDialog,
-                              base::Unretained(app_view_), params));
-  }
-
-  void OnDisplayFolderPicker(const base::string16& title) {
-    ui_task_runner_->PostTask(
-        FROM_HERE, base::Bind(&ChromeAppViewAsh::OnDisplayFolderPicker,
-                              base::Unretained(app_view_), title));
-  }
-
-  void OnSetCursorPos(int x, int y) {
-    VLOG(1) << "In IPC OnSetCursorPos: " << x << ", " << y;
-    ui_task_runner_->PostTask(FROM_HERE,
-                              base::Bind(&ChromeAppViewAsh::OnSetCursorPos,
-                                         base::Unretained(app_view_), x, y));
-  }
-
-  void OnImeCancelComposition() {
-    ui_task_runner_->PostTask(
-        FROM_HERE, base::Bind(&ChromeAppViewAsh::OnImeCancelComposition,
-                              base::Unretained(app_view_)));
-  }
-
-  void OnImeTextInputClientChanged(
-      const std::vector<int32_t>& input_scopes,
-      const std::vector<metro_viewer::CharacterBounds>& character_bounds) {
-    ui_task_runner_->PostTask(
-        FROM_HERE, base::Bind(&ChromeAppViewAsh::OnImeUpdateTextInputClient,
-                              base::Unretained(app_view_), input_scopes,
-                              character_bounds));
-  }
-
-  scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
-  ChromeAppViewAsh* app_view_;
-};
-
-void RunMessageLoop(winui::Core::ICoreDispatcher* dispatcher) {
-  // We're entering a nested message loop, let's allow dispatching
-  // tasks while we're in there.
-  base::MessageLoop::current()->SetNestableTasksAllowed(true);
-
-  // Enter main core message loop. There are several ways to exit it
-  // Nicely:
-  // 1 - User action like ALT-F4.
-  // 2 - Calling ICoreApplicationExit::Exit().
-  // 3-  Posting WM_CLOSE to the core window.
-  dispatcher->ProcessEvents(
-      winui::Core::CoreProcessEventsOption
-          ::CoreProcessEventsOption_ProcessUntilQuit);
-
-  // Wind down the thread's chrome message loop.
-  base::MessageLoop::current()->QuitWhenIdle();
-}
-
-// Helper to return the state of the shift/control/alt keys.
-uint32_t GetKeyboardEventFlags() {
-  uint32_t flags = 0;
-  if (ui::win::IsShiftPressed())
-    flags |= ui::EF_SHIFT_DOWN;
-  if (ui::win::IsCtrlPressed())
-    flags |= ui::EF_CONTROL_DOWN;
-  if (ui::win::IsAltPressed())
-    flags |= ui::EF_ALT_DOWN;
-  return flags;
-}
-
-bool LaunchChromeBrowserProcess(const wchar_t* additional_parameters,
-                                winapp::Activation::IActivatedEventArgs* args) {
-  if (args) {
-    DVLOG(1) << __FUNCTION__ << ":" << ::GetCommandLineW();
-    winapp::Activation::ActivationKind activation_kind;
-    CheckHR(args->get_Kind(&activation_kind));
-
-    DVLOG(1) << __FUNCTION__ << ", activation_kind=" << activation_kind;
-
-    if (activation_kind == winapp::Activation::ActivationKind_Launch) {
-      mswr::ComPtr<winapp::Activation::ILaunchActivatedEventArgs> launch_args;
-      if (args->QueryInterface(
-              winapp::Activation::IID_ILaunchActivatedEventArgs,
-              &launch_args) == S_OK) {
-        DVLOG(1) << "Activate: ActivationKind_Launch";
-        mswrw::HString launch_args_str;
-        launch_args->get_Arguments(launch_args_str.GetAddressOf());
-        base::string16 actual_launch_args(
-            MakeStdWString(launch_args_str.Get()));
-        if (actual_launch_args == win8::kMetroViewerConnectVerb) {
-          DVLOG(1) << __FUNCTION__ << "Not launching chrome server";
-          return true;
-        }
-      }
-    }
-  }
-
-  DVLOG(1) << "Launching chrome server";
-  base::FilePath chrome_exe_path;
-
-  if (!PathService::Get(base::FILE_EXE, &chrome_exe_path))
-    return false;
-
-  base::string16 parameters = L"--silent-launch --connect-to-metro-viewer ";
-  if (additional_parameters)
-    parameters += additional_parameters;
-
-  SHELLEXECUTEINFO sei = { sizeof(sei) };
-  sei.nShow = SW_SHOWNORMAL;
-  sei.lpFile = chrome_exe_path.value().c_str();
-  sei.lpDirectory = L"";
-  sei.lpParameters = parameters.c_str();
-  ::ShellExecuteEx(&sei);
-  return true;
-}
-
-}  // namespace
-
-// This class helps decoding the pointer properties of an event.
-class ChromeAppViewAsh::PointerInfoHandler {
- public:
-  PointerInfoHandler(float metro_dpi_scale, float win32_dpi_scale)
-      : x_(0),
-        y_(0),
-        wheel_delta_(0),
-        pointer_id_(0),
-        update_kind_(winui::Input::PointerUpdateKind_Other),
-        timestamp_(0),
-        mouse_down_flags_(0),
-        is_horizontal_wheel_(0),
-        metro_dpi_scale_(metro_dpi_scale),
-        win32_dpi_scale_(win32_dpi_scale) {}
-
-  HRESULT Init(winui::Core::IPointerEventArgs* args) {
-    HRESULT hr = args->get_CurrentPoint(&pointer_point_);
-    if (FAILED(hr))
-      return hr;
-
-    winfoundtn::Point point;
-    hr = pointer_point_->get_Position(&point);
-    if (FAILED(hr))
-      return hr;
-
-    mswr::ComPtr<winui::Input::IPointerPointProperties> properties;
-    hr = pointer_point_->get_Properties(&properties);
-    if (FAILED(hr))
-      return hr;
-
-    hr = properties->get_PointerUpdateKind(&update_kind_);
-    if (FAILED(hr))
-      return hr;
-
-    hr = properties->get_MouseWheelDelta(&wheel_delta_);
-    if (FAILED(hr))
-      return hr;
-
-    is_horizontal_wheel_ = 0;
-    properties->get_IsHorizontalMouseWheel(&is_horizontal_wheel_);
-
-    // The input coordinates are in DIP based on the metro scale factor.
-    // We want to convert it to DIP based on the win32 scale factor.
-    // We scale the point by the metro scale factor and then scale down
-    // via the win32 scale factor which achieves the needful.
-    gfx::Point dip_point_metro(point.X, point.Y);
-    gfx::Point scaled_point_metro =
-        gfx::ScaleToCeiledPoint(dip_point_metro, metro_dpi_scale_);
-    gfx::Point dip_point_win32 =
-        gfx::ScaleToCeiledPoint(scaled_point_metro, 1.0 / win32_dpi_scale_);
-    x_ = dip_point_win32.x();
-    y_ = dip_point_win32.y();
-
-    pointer_point_->get_Timestamp(&timestamp_);
-    pointer_point_->get_PointerId(&pointer_id_);
-    // Map the OS touch event id to a range allowed by the gesture recognizer.
-    if (IsTouch())
-      pointer_id_ %= ui::MotionEvent::MAX_TOUCH_POINT_COUNT;
-
-    boolean left_button_state;
-    hr = properties->get_IsLeftButtonPressed(&left_button_state);
-    if (FAILED(hr))
-      return hr;
-    if (left_button_state)
-      mouse_down_flags_ |= ui::EF_LEFT_MOUSE_BUTTON;
-
-    boolean right_button_state;
-    hr = properties->get_IsRightButtonPressed(&right_button_state);
-    if (FAILED(hr))
-      return hr;
-    if (right_button_state)
-      mouse_down_flags_ |= ui::EF_RIGHT_MOUSE_BUTTON;
-
-    boolean middle_button_state;
-    hr = properties->get_IsMiddleButtonPressed(&middle_button_state);
-    if (FAILED(hr))
-      return hr;
-    if (middle_button_state)
-      mouse_down_flags_ |= ui::EF_MIDDLE_MOUSE_BUTTON;
-
-    return S_OK;
-  }
-
-  bool IsType(windevs::Input::PointerDeviceType type) const {
-    mswr::ComPtr<windevs::Input::IPointerDevice> pointer_device;
-    CheckHR(pointer_point_->get_PointerDevice(&pointer_device));
-    windevs::Input::PointerDeviceType device_type;
-    CheckHR(pointer_device->get_PointerDeviceType(&device_type));
-    return  (device_type == type);
-  }
-
-  bool IsMouse() const {
-    return IsType(windevs::Input::PointerDeviceType_Mouse);
-  }
-
-  bool IsTouch() const {
-    return IsType(windevs::Input::PointerDeviceType_Touch);
-  }
-
-  int32_t wheel_delta() const { return wheel_delta_; }
-
-  // Identifies the button that changed.
-  ui::EventFlags changed_button() const {
-    switch (update_kind_) {
-      case winui::Input::PointerUpdateKind_LeftButtonPressed:
-        return ui::EF_LEFT_MOUSE_BUTTON;
-      case winui::Input::PointerUpdateKind_LeftButtonReleased:
-        return ui::EF_LEFT_MOUSE_BUTTON;
-      case winui::Input::PointerUpdateKind_RightButtonPressed:
-        return ui::EF_RIGHT_MOUSE_BUTTON;
-      case winui::Input::PointerUpdateKind_RightButtonReleased:
-        return ui::EF_RIGHT_MOUSE_BUTTON;
-      case winui::Input::PointerUpdateKind_MiddleButtonPressed:
-        return ui::EF_MIDDLE_MOUSE_BUTTON;
-      case winui::Input::PointerUpdateKind_MiddleButtonReleased:
-        return ui::EF_MIDDLE_MOUSE_BUTTON;
-      default:
-        return ui::EF_NONE;
-    }
-  }
-
-  uint32_t mouse_down_flags() const { return mouse_down_flags_; }
-
-  int x() const { return x_; }
-  int y() const { return y_; }
-
-  uint32_t pointer_id() const { return pointer_id_; }
-
-  uint64_t timestamp() const { return timestamp_; }
-
-  winui::Input::PointerUpdateKind update_kind() const { return update_kind_; }
-
-  bool is_horizontal_wheel() const { return !!is_horizontal_wheel_; }
-
- private:
-  int x_;
-  int y_;
-  int wheel_delta_;
-  uint32_t pointer_id_;
-  winui::Input::PointerUpdateKind update_kind_;
-  mswr::ComPtr<winui::Input::IPointerPoint> pointer_point_;
-  uint64_t timestamp_;
-
-  // Bitmask of ui::EventFlags corresponding to the buttons that are currently
-  // down.
-  uint32_t mouse_down_flags_;
-
-  // Set to true for a horizontal wheel message.
-  boolean is_horizontal_wheel_;
-
-  // The metro device scale factor as reported by the winrt interfaces.
-  float metro_dpi_scale_;
-  // The win32 dpi scale which is queried via GetDeviceCaps. Please refer to
-  // ui/gfx/win/dpi.cc for more information.
-  float win32_dpi_scale_;
-
-  DISALLOW_COPY_AND_ASSIGN(PointerInfoHandler);
-};
-
-ChromeAppViewAsh::ChromeAppViewAsh()
-    : mouse_down_flags_(ui::EF_NONE),
-      ui_channel_(nullptr),
-      core_window_hwnd_(NULL),
-      metro_dpi_scale_(0),
-      win32_dpi_scale_(0),
-      last_cursor_(NULL),
-      channel_listener_(NULL) {
-  DVLOG(1) << __FUNCTION__;
-  globals.previous_state =
-      winapp::Activation::ApplicationExecutionState_NotRunning;
-}
-
-ChromeAppViewAsh::~ChromeAppViewAsh() {
-  DVLOG(1) << __FUNCTION__;
-}
-
-IFACEMETHODIMP
-ChromeAppViewAsh::Initialize(winapp::Core::ICoreApplicationView* view) {
-  view_ = view;
-  DVLOG(1) << __FUNCTION__;
-  HRESULT hr = view_->add_Activated(mswr::Callback<ActivatedHandler>(
-      this, &ChromeAppViewAsh::OnActivate).Get(),
-      &activated_token_);
-  CheckHR(hr);
-  return hr;
-}
-
-IFACEMETHODIMP
-ChromeAppViewAsh::SetWindow(winui::Core::ICoreWindow* window) {
-  window_ = window;
-  DVLOG(1) << __FUNCTION__;
-
-  // Retrieve the native window handle via the interop layer.
-  mswr::ComPtr<ICoreWindowInterop> interop;
-  HRESULT hr = window->QueryInterface(interop.GetAddressOf());
-  CheckHR(hr);
-  hr = interop->get_WindowHandle(&core_window_hwnd_);
-  CheckHR(hr);
-
-  text_service_ = metro_driver::CreateTextService(this, core_window_hwnd_);
-
-  hr = window_->add_SizeChanged(mswr::Callback<SizeChangedHandler>(
-      this, &ChromeAppViewAsh::OnSizeChanged).Get(),
-      &sizechange_token_);
-  CheckHR(hr);
-
-  // Register for pointer and keyboard notifications. We forward
-  // them to the browser process via IPC.
-  hr = window_->add_PointerMoved(mswr::Callback<PointerEventHandler>(
-      this, &ChromeAppViewAsh::OnPointerMoved).Get(),
-      &pointermoved_token_);
-  CheckHR(hr);
-
-  hr = window_->add_PointerPressed(mswr::Callback<PointerEventHandler>(
-      this, &ChromeAppViewAsh::OnPointerPressed).Get(),
-      &pointerpressed_token_);
-  CheckHR(hr);
-
-  hr = window_->add_PointerReleased(mswr::Callback<PointerEventHandler>(
-      this, &ChromeAppViewAsh::OnPointerReleased).Get(),
-      &pointerreleased_token_);
-  CheckHR(hr);
-
-  hr = window_->add_KeyDown(mswr::Callback<KeyEventHandler>(
-      this, &ChromeAppViewAsh::OnKeyDown).Get(),
-      &keydown_token_);
-  CheckHR(hr);
-
-  hr = window_->add_KeyUp(mswr::Callback<KeyEventHandler>(
-      this, &ChromeAppViewAsh::OnKeyUp).Get(),
-      &keyup_token_);
-  CheckHR(hr);
-
-  mswr::ComPtr<winui::Core::ICoreDispatcher> dispatcher;
-  hr = window_->get_Dispatcher(dispatcher.GetAddressOf());
-  CheckHR(hr, "Get Dispatcher failed.");
-
-  mswr::ComPtr<winui::Core::ICoreAcceleratorKeys> accelerator_keys;
-  hr = dispatcher.CopyTo(__uuidof(winui::Core::ICoreAcceleratorKeys),
-                         reinterpret_cast<void**>(
-                            accelerator_keys.GetAddressOf()));
-  CheckHR(hr, "QI for ICoreAcceleratorKeys failed.");
-  hr = accelerator_keys->add_AcceleratorKeyActivated(
-      mswr::Callback<AcceleratorKeyEventHandler>(
-          this, &ChromeAppViewAsh::OnAcceleratorKeyDown).Get(),
-      &accel_keydown_token_);
-  CheckHR(hr);
-
-  hr = window_->add_PointerWheelChanged(mswr::Callback<PointerEventHandler>(
-      this, &ChromeAppViewAsh::OnWheel).Get(),
-      &wheel_token_);
-  CheckHR(hr);
-
-  hr = window_->add_CharacterReceived(mswr::Callback<CharEventHandler>(
-      this, &ChromeAppViewAsh::OnCharacterReceived).Get(),
-      &character_received_token_);
-  CheckHR(hr);
-
-  hr = window_->add_Activated(mswr::Callback<WindowActivatedHandler>(
-      this, &ChromeAppViewAsh::OnWindowActivated).Get(),
-      &window_activated_token_);
-  CheckHR(hr);
-
-  if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
-    // Register for edge gesture notifications only for Windows 8 and above.
-    mswr::ComPtr<winui::Input::IEdgeGestureStatics> edge_gesture_statics;
-    hr = winrt_utils::CreateActivationFactory(
-        RuntimeClass_Windows_UI_Input_EdgeGesture,
-        edge_gesture_statics.GetAddressOf());
-    CheckHR(hr);
-
-    mswr::ComPtr<winui::Input::IEdgeGesture> edge_gesture;
-    hr = edge_gesture_statics->GetForCurrentView(&edge_gesture);
-    CheckHR(hr);
-
-    hr = edge_gesture->add_Completed(mswr::Callback<EdgeEventHandler>(
-        this, &ChromeAppViewAsh::OnEdgeGestureCompleted).Get(),
-        &edgeevent_token_);
-    CheckHR(hr);
-  }
-
-  // By initializing the direct 3D swap chain with the corewindow
-  // we can now directly blit to it from the browser process.
-  direct3d_helper_.Initialize(window);
-  DVLOG(1) << "Initialized Direct3D.";
-
-  // On Windows 8+ the WinRT interface IDisplayProperties which we use to get
-  // device scale factor does not return the correct values in metro mode.
-  // To workaround this we retrieve the device scale factor via the win32 way
-  // and scale input coordinates accordingly to pass them in DIP to chrome.
-  // TODO(ananta). Investigate and fix.
-  metro_dpi_scale_ = GetModernUIScale();
-  win32_dpi_scale_ = gfx::GetDPIScale();
-  DVLOG(1) << "Metro Scale is " << metro_dpi_scale_;
-  DVLOG(1) << "Win32 Scale is " << win32_dpi_scale_;
-  return S_OK;
-}
-
-IFACEMETHODIMP
-ChromeAppViewAsh::Load(HSTRING entryPoint) {
-  // On Win7 |entryPoint| is NULL.
-  DVLOG(1) << __FUNCTION__;
-  return S_OK;
-}
-
-IFACEMETHODIMP
-ChromeAppViewAsh::Run() {
-  DVLOG(1) << __FUNCTION__;
-  mswr::ComPtr<winui::Core::ICoreDispatcher> dispatcher;
-  HRESULT hr = window_->get_Dispatcher(dispatcher.GetAddressOf());
-  CheckHR(hr, "Dispatcher failed.");
-
-  // Create the IPC channel IO thread. It needs to out-live the ChannelProxy.
-  io_thread_.reset(new base::Thread("metro_IO_thread"));
-  base::Thread::Options options;
-  options.message_loop_type = base::MessageLoop::TYPE_IO;
-  io_thread_->StartWithOptions(options);
-
-  ChromeChannelListener ui_channel_listener(&ui_loop_, this);
-  channel_listener_ = &ui_channel_listener;
-
-  // We can't do anything until the Chrome browser IPC channel is initialized.
-  // Lazy initialization in a timer.
-  ui_loop_.PostDelayedTask(FROM_HERE,
-      base::Bind(base::IgnoreResult(&ChromeAppViewAsh::StartChromeOSMode),
-                 base::Unretained(this)),
-      base::TimeDelta::FromMilliseconds(kChromeChannelPollTimerMs));
-
-  // Post the task that'll do the inner Metro message pumping to it.
-  ui_loop_.PostTask(FROM_HERE, base::Bind(&RunMessageLoop, dispatcher.Get()));
-  ui_loop_.Run();
-
-  io_thread_.reset(NULL);
-  ui_channel_.reset(NULL);
-  channel_listener_ = NULL;
-
-  DVLOG(0) << "ProcessEvents done, hr=" << hr;
-  return hr;
-}
-
-IFACEMETHODIMP
-ChromeAppViewAsh::Uninitialize() {
-  DVLOG(1) << __FUNCTION__;
-  metro_driver::RemoveImePopupObserver(this);
-  input_source_.reset();
-  text_service_.reset();
-  window_ = nullptr;
-  view_ = nullptr;
-  core_window_hwnd_ = NULL;
-  return S_OK;
-}
-
-// static
-HRESULT ChromeAppViewAsh::Unsnap() {
-  mswr::ComPtr<winui::ViewManagement::IApplicationViewStatics> view_statics;
-  HRESULT hr = winrt_utils::CreateActivationFactory(
-      RuntimeClass_Windows_UI_ViewManagement_ApplicationView,
-      view_statics.GetAddressOf());
-  CheckHR(hr);
-
-  winui::ViewManagement::ApplicationViewState state =
-      winui::ViewManagement::ApplicationViewState_FullScreenLandscape;
-  hr = view_statics->get_Value(&state);
-  CheckHR(hr);
-
-  if (state == winui::ViewManagement::ApplicationViewState_Snapped) {
-    boolean success = FALSE;
-    hr = view_statics->TryUnsnap(&success);
-
-    if (FAILED(hr) || !success) {
-      LOG(ERROR) << "Failed to unsnap. Error 0x" << hr;
-      if (SUCCEEDED(hr))
-        hr = E_UNEXPECTED;
-    }
-  }
-  return hr;
-}
-
-void ChromeAppViewAsh::OnActivateDesktop(const base::FilePath& file_path,
-                                         bool ash_exit) {
-  DVLOG(1) << "ChannelAppViewAsh::OnActivateDesktop\n";
-
-  if (ash_exit) {
-    // As we are the top level window, the exiting is done async so we manage
-    // to execute  the entire function including the final Send().
-    OnMetroExit(TERMINATE_USING_KEY_SEQUENCE);
-  }
-
-  // We are just executing delegate_execute here without parameters. Assumption
-  // here is that this process will be reused by shell when asking for
-  // IExecuteCommand interface.
-
-  // TODO(shrikant): Consolidate ShellExecuteEx with SEE_MASK_FLAG_LOG_USAGE
-  // and place it metro.h or similar accessible file from all code code paths
-  // using this function.
-  SHELLEXECUTEINFO sei = { sizeof(sei) };
-  sei.fMask = SEE_MASK_FLAG_LOG_USAGE;
-  sei.nShow = SW_SHOWNORMAL;
-  sei.lpFile = file_path.value().c_str();
-  sei.lpParameters = NULL;
-  if (!ash_exit)
-    sei.fMask |= SEE_MASK_NOCLOSEPROCESS;
-  ::ShellExecuteExW(&sei);
-  if (!ash_exit) {
-    ::TerminateProcess(sei.hProcess, 0);
-    ::CloseHandle(sei.hProcess);
-  }
-}
-
-void ChromeAppViewAsh::OnOpenURLOnDesktop(const base::FilePath& shortcut,
-                                          const base::string16& url) {
-  base::FilePath::StringType file = shortcut.value();
-  SHELLEXECUTEINFO sei = { sizeof(sei) };
-  sei.fMask = SEE_MASK_FLAG_LOG_USAGE;
-  sei.nShow = SW_SHOWNORMAL;
-  sei.lpFile = file.c_str();
-  sei.lpDirectory = L"";
-  sei.lpParameters = url.c_str();
-  ShellExecuteEx(&sei);
-}
-
-void ChromeAppViewAsh::OnSetCursor(HCURSOR cursor) {
-  ::SetCursor(cursor);
-  last_cursor_ = cursor;
-}
-
-void ChromeAppViewAsh::OnDisplayFileOpenDialog(
-    const base::string16& title,
-    const base::string16& filter,
-    const base::FilePath& default_path,
-    bool allow_multiple_files) {
-  DVLOG(1) << __FUNCTION__;
-
-  // The OpenFilePickerSession instance is deleted when we receive a
-  // callback from the OpenFilePickerSession class about the completion of the
-  // operation.
-  FilePickerSessionBase* file_picker_ =
-      new OpenFilePickerSession(this,
-                                title,
-                                filter,
-                                default_path,
-                                allow_multiple_files);
-  file_picker_->Run();
-}
-
-void ChromeAppViewAsh::OnDisplayFileSaveAsDialog(
-    const MetroViewerHostMsg_SaveAsDialogParams& params) {
-  DVLOG(1) << __FUNCTION__;
-
-  // The SaveFilePickerSession instance is deleted when we receive a
-  // callback from the SaveFilePickerSession class about the completion of the
-  // operation.
-  FilePickerSessionBase* file_picker_ =
-      new SaveFilePickerSession(this, params);
-  file_picker_->Run();
-}
-
-void ChromeAppViewAsh::OnDisplayFolderPicker(const base::string16& title) {
-  DVLOG(1) << __FUNCTION__;
-  // The FolderPickerSession instance is deleted when we receive a
-  // callback from the FolderPickerSession class about the completion of the
-  // operation.
-  FilePickerSessionBase* file_picker_ = new FolderPickerSession(this, title);
-  file_picker_->Run();
-}
-
-void ChromeAppViewAsh::OnSetCursorPos(int x, int y) {
-  if (ui_channel_) {
-    ::SetCursorPos(x, y);
-    DVLOG(1) << "In UI OnSetCursorPos: " << x << ", " << y;
-    ui_channel_->Send(new MetroViewerHostMsg_SetCursorPosAck());
-    // Generate a fake mouse move which matches the SetCursor coordinates as
-    // the browser expects to receive a mouse move for these coordinates.
-    // It is not clear why we don't receive a real mouse move in response to
-    // the SetCursorPos calll above.
-    ui_channel_->Send(new MetroViewerHostMsg_MouseMoved(x, y, 0));
-  }
-}
-
-void ChromeAppViewAsh::OnOpenFileCompleted(
-    OpenFilePickerSession* open_file_picker,
-    bool success) {
-  DVLOG(1) << __FUNCTION__;
-  DVLOG(1) << "Success: " << success;
-  if (ui_channel_) {
-    if (open_file_picker->allow_multi_select()) {
-      ui_channel_->Send(new MetroViewerHostMsg_MultiFileOpenDone(
-          success, open_file_picker->filenames()));
-    } else {
-      ui_channel_->Send(new MetroViewerHostMsg_FileOpenDone(
-          success, base::FilePath(open_file_picker->result())));
-    }
-  }
-  delete open_file_picker;
-}
-
-void ChromeAppViewAsh::OnSaveFileCompleted(
-    SaveFilePickerSession* save_file_picker,
-    bool success) {
-  DVLOG(1) << __FUNCTION__;
-  DVLOG(1) << "Success: " << success;
-  if (ui_channel_) {
-    ui_channel_->Send(new MetroViewerHostMsg_FileSaveAsDone(
-        success,
-        base::FilePath(save_file_picker->result()),
-        save_file_picker->filter_index()));
-  }
-  delete save_file_picker;
-}
-
-void ChromeAppViewAsh::OnFolderPickerCompleted(
-    FolderPickerSession* folder_picker,
-    bool success) {
-  DVLOG(1) << __FUNCTION__;
-  DVLOG(1) << "Success: " << success;
-  if (ui_channel_) {
-    ui_channel_->Send(new MetroViewerHostMsg_SelectFolderDone(
-        success,
-        base::FilePath(folder_picker->result())));
-  }
-  delete folder_picker;
-}
-
-void ChromeAppViewAsh::OnImeCancelComposition() {
-  if (!text_service_)
-    return;
-  text_service_->CancelComposition();
-}
-
-void ChromeAppViewAsh::OnImeUpdateTextInputClient(
-    const std::vector<int32_t>& input_scopes,
-    const std::vector<metro_viewer::CharacterBounds>& character_bounds) {
-  if (!text_service_)
-    return;
-  text_service_->OnDocumentChanged(input_scopes, character_bounds);
-}
-
-void ChromeAppViewAsh::OnImePopupChanged(ImePopupObserver::EventType event) {
-  if (!ui_channel_)
-    return;
-  switch (event) {
-    case ImePopupObserver::kPopupShown:
-      ui_channel_->Send(new MetroViewerHostMsg_ImeCandidatePopupChanged(true));
-      return;
-    case ImePopupObserver::kPopupHidden:
-      ui_channel_->Send(new MetroViewerHostMsg_ImeCandidatePopupChanged(false));
-      return;
-    case ImePopupObserver::kPopupUpdated:
-      // TODO(kochi): Support this event for W3C IME API proposal.
-      // See crbug.com/238585.
-      return;
-    default:
-      NOTREACHED() << "unknown event type: " << event;
-      return;
-  }
-}
-
-// Function to Exit metro chrome cleanly. If we are in the foreground
-// then we try and exit by sending an Alt+F4 key combination to the core
-// window which ensures that the chrome application tile does not show up in
-// the running metro apps list on the top left corner.
-void ChromeAppViewAsh::OnMetroExit(MetroTerminateMethod method) {
-  if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
-    HWND core_window = core_window_hwnd();
-    if (method == TERMINATE_USING_KEY_SEQUENCE && core_window != NULL &&
-        core_window == ::GetForegroundWindow()) {
-      DVLOG(1) << "We are in the foreground. Exiting via Alt F4";
-      SendKeySequence(VK_F4, ALT);
-      if (ui_channel_)
-        ui_channel_->Close();
-    } else {
-      globals.app_exit->Exit();
-    }
-  } else {
-    if (ui_channel_)
-      ui_channel_->Close();
-
-    HWND core_window = core_window_hwnd();
-    ::PostMessage(core_window, WM_CLOSE, 0, 0);
-
-    globals.app_exit->Exit();
-  }
-}
-
-void ChromeAppViewAsh::OnInputSourceChanged() {
-  if (!input_source_)
-    return;
-
-  DCHECK(ui_channel_);
-
-  LANGID langid = 0;
-  bool is_ime = false;
-  if (!input_source_->GetActiveSource(&langid, &is_ime)) {
-    LOG(ERROR) << "GetActiveSource failed";
-    return;
-  }
-  ui_channel_->Send(new MetroViewerHostMsg_ImeInputSourceChanged(langid,
-                                                                 is_ime));
-}
-
-void ChromeAppViewAsh::OnCompositionChanged(
-    const base::string16& text,
-    int32_t selection_start,
-    int32_t selection_end,
-    const std::vector<metro_viewer::UnderlineInfo>& underlines) {
-  ui_channel_->Send(new MetroViewerHostMsg_ImeCompositionChanged(
-      text, selection_start, selection_end, underlines));
-}
-
-void ChromeAppViewAsh::OnTextCommitted(const base::string16& text) {
-  ui_channel_->Send(new MetroViewerHostMsg_ImeTextCommitted(text));
-}
-
-void ChromeAppViewAsh::SendMouseButton(int x,
-                                       int y,
-                                       int extra,
-                                       ui::EventType event_type,
-                                       uint32_t flags,
-                                       ui::EventFlags changed_button,
-                                       bool is_horizontal_wheel) {
-  if (!ui_channel_)
-    return;
-  MetroViewerHostMsg_MouseButtonParams params;
-  params.x = static_cast<int32_t>(x);
-  params.y = static_cast<int32_t>(y);
-  params.extra = static_cast<int32_t>(extra);
-  params.event_type = event_type;
-  params.flags = static_cast<int32_t>(flags);
-  params.changed_button = changed_button;
-  params.is_horizontal_wheel = is_horizontal_wheel;
-  ui_channel_->Send(new MetroViewerHostMsg_MouseButton(params));
-}
-
-void ChromeAppViewAsh::GenerateMouseEventFromMoveIfNecessary(
-    const PointerInfoHandler& pointer) {
-  ui::EventType event_type;
-  // For aura we want the flags to include the button that was released, thus
-  // we or the old and new.
-  uint32_t mouse_down_flags = pointer.mouse_down_flags() | mouse_down_flags_;
-  mouse_down_flags_ = pointer.mouse_down_flags();
-  switch (pointer.update_kind()) {
-    case winui::Input::PointerUpdateKind_LeftButtonPressed:
-    case winui::Input::PointerUpdateKind_RightButtonPressed:
-    case winui::Input::PointerUpdateKind_MiddleButtonPressed:
-      event_type = ui::ET_MOUSE_PRESSED;
-      break;
-    case winui::Input::PointerUpdateKind_LeftButtonReleased:
-    case winui::Input::PointerUpdateKind_RightButtonReleased:
-    case winui::Input::PointerUpdateKind_MiddleButtonReleased:
-      event_type = ui::ET_MOUSE_RELEASED;
-      break;
-    default:
-      return;
-  }
-  SendMouseButton(pointer.x(), pointer.y(), 0, event_type,
-                  mouse_down_flags | GetKeyboardEventFlags(),
-                  pointer.changed_button(), pointer.is_horizontal_wheel());
-}
-
-HRESULT ChromeAppViewAsh::OnActivate(
-    winapp::Core::ICoreApplicationView*,
-    winapp::Activation::IActivatedEventArgs* args) {
-  DVLOG(1) << __FUNCTION__;
-  // Note: If doing more work in this function, you migth need to call
-  // get_PreviousExecutionState() and skip the work if  the result is
-  // ApplicationExecutionState_Running and globals.previous_state is too.
-  args->get_PreviousExecutionState(&globals.previous_state);
-  DVLOG(1) << "Previous Execution State: " << globals.previous_state;
-
-  winapp::Activation::ActivationKind activation_kind;
-  CheckHR(args->get_Kind(&activation_kind));
-  DVLOG(1) << "Activation kind: " << activation_kind;
-
-  if (activation_kind == winapp::Activation::ActivationKind_Search)
-    HandleSearchRequest(args);
-  else if (activation_kind == winapp::Activation::ActivationKind_Protocol)
-    HandleProtocolRequest(args);
-  else
-    LaunchChromeBrowserProcess(NULL, args);
-  // We call ICoreWindow::Activate after the handling for the search/protocol
-  // requests because Chrome can be launched to handle a search request which
-  // in turn launches the chrome browser process in desktop mode via
-  // ShellExecute. If we call ICoreWindow::Activate before this, then
-  // Windows kills the metro chrome process when it calls ShellExecute. Seems
-  // to be a bug.
-  window_->Activate();
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::OnPointerMoved(winui::Core::ICoreWindow* sender,
-                                         winui::Core::IPointerEventArgs* args) {
-  if (!ui_channel_)
-    return S_OK;
-
-  PointerInfoHandler pointer(metro_dpi_scale_, win32_dpi_scale_);
-  HRESULT hr = pointer.Init(args);
-  if (FAILED(hr))
-    return hr;
-
-  if (pointer.IsMouse()) {
-    // If the mouse was moved towards the charms or the OS specific section,
-    // the cursor may change from what the browser last set. Restore it here.
-    if (::GetCursor() != last_cursor_)
-      SetCursor(last_cursor_);
-
-    GenerateMouseEventFromMoveIfNecessary(pointer);
-    ui_channel_->Send(new MetroViewerHostMsg_MouseMoved(
-        pointer.x(),
-        pointer.y(),
-        mouse_down_flags_ | GetKeyboardEventFlags()));
-  } else {
-    DCHECK(pointer.IsTouch());
-    ui_channel_->Send(new MetroViewerHostMsg_TouchMoved(pointer.x(),
-                                                        pointer.y(),
-                                                        pointer.timestamp(),
-                                                        pointer.pointer_id()));
-  }
-  return S_OK;
-}
-
-// NOTE: From experimentation, it seems like Metro only sends a PointerPressed
-// event for the first button pressed and the last button released in a sequence
-// of mouse events.
-// For example, a sequence of LEFT_DOWN, RIGHT_DOWN, LEFT_UP, RIGHT_UP results
-// only in PointerPressed(LEFT)/PointerReleased(RIGHT) events. Intermediary
-// presses and releases are tracked in OnPointMoved().
-HRESULT ChromeAppViewAsh::OnPointerPressed(
-    winui::Core::ICoreWindow* sender,
-    winui::Core::IPointerEventArgs* args) {
-  if (!ui_channel_)
-    return S_OK;
-
-  PointerInfoHandler pointer(metro_dpi_scale_, win32_dpi_scale_);
-  HRESULT hr = pointer.Init(args);
-  if (FAILED(hr))
-    return hr;
-
-  if (pointer.IsMouse()) {
-    mouse_down_flags_ = pointer.mouse_down_flags();
-    SendMouseButton(pointer.x(), pointer.y(), 0, ui::ET_MOUSE_PRESSED,
-                    mouse_down_flags_ | GetKeyboardEventFlags(),
-                    pointer.changed_button(), pointer.is_horizontal_wheel());
-  } else {
-    DCHECK(pointer.IsTouch());
-    ui_channel_->Send(new MetroViewerHostMsg_TouchDown(pointer.x(),
-                                                       pointer.y(),
-                                                       pointer.timestamp(),
-                                                       pointer.pointer_id()));
-  }
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::OnPointerReleased(
-    winui::Core::ICoreWindow* sender,
-    winui::Core::IPointerEventArgs* args) {
-  if (!ui_channel_)
-    return S_OK;
-
-  PointerInfoHandler pointer(metro_dpi_scale_, win32_dpi_scale_);
-  HRESULT hr = pointer.Init(args);
-  if (FAILED(hr))
-    return hr;
-
-  if (pointer.IsMouse()) {
-    mouse_down_flags_ = ui::EF_NONE;
-    SendMouseButton(pointer.x(), pointer.y(), 0, ui::ET_MOUSE_RELEASED,
-                    static_cast<uint32_t>(pointer.changed_button()) |
-                        GetKeyboardEventFlags(),
-                    pointer.changed_button(), pointer.is_horizontal_wheel());
-  } else {
-    DCHECK(pointer.IsTouch());
-    ui_channel_->Send(new MetroViewerHostMsg_TouchUp(pointer.x(),
-                                                     pointer.y(),
-                                                     pointer.timestamp(),
-                                                     pointer.pointer_id()));
-  }
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::OnWheel(
-    winui::Core::ICoreWindow* sender,
-    winui::Core::IPointerEventArgs* args) {
-  if (!ui_channel_)
-    return S_OK;
-
-  PointerInfoHandler pointer(metro_dpi_scale_, win32_dpi_scale_);
-  HRESULT hr = pointer.Init(args);
-  if (FAILED(hr))
-    return hr;
-  DCHECK(pointer.IsMouse());
-  SendMouseButton(pointer.x(), pointer.y(), pointer.wheel_delta(),
-                  ui::ET_MOUSEWHEEL, GetKeyboardEventFlags(), ui::EF_NONE,
-                  pointer.is_horizontal_wheel());
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::OnKeyDown(
-    winui::Core::ICoreWindow* sender,
-    winui::Core::IKeyEventArgs* args) {
-  if (!ui_channel_)
-    return S_OK;
-
-  winsys::VirtualKey virtual_key;
-  HRESULT hr = args->get_VirtualKey(&virtual_key);
-  if (FAILED(hr))
-    return hr;
-  winui::Core::CorePhysicalKeyStatus status;
-  hr = args->get_KeyStatus(&status);
-  if (FAILED(hr))
-    return hr;
-
-  ui_channel_->Send(new MetroViewerHostMsg_KeyDown(virtual_key,
-                                                   status.RepeatCount,
-                                                   status.ScanCode,
-                                                   GetKeyboardEventFlags()));
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::OnKeyUp(
-    winui::Core::ICoreWindow* sender,
-    winui::Core::IKeyEventArgs* args) {
-  if (!ui_channel_)
-    return S_OK;
-
-  winsys::VirtualKey virtual_key;
-  HRESULT hr = args->get_VirtualKey(&virtual_key);
-  if (FAILED(hr))
-    return hr;
-  winui::Core::CorePhysicalKeyStatus status;
-  hr = args->get_KeyStatus(&status);
-  if (FAILED(hr))
-    return hr;
-
-  ui_channel_->Send(new MetroViewerHostMsg_KeyUp(virtual_key,
-                                                 status.RepeatCount,
-                                                 status.ScanCode,
-                                                 GetKeyboardEventFlags()));
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::OnAcceleratorKeyDown(
-    winui::Core::ICoreDispatcher* sender,
-    winui::Core::IAcceleratorKeyEventArgs* args) {
-  if (!ui_channel_)
-    return S_OK;
-
-  winsys::VirtualKey virtual_key;
-  HRESULT hr = args->get_VirtualKey(&virtual_key);
-  if (FAILED(hr))
-    return hr;
-  winui::Core::CorePhysicalKeyStatus status;
-  hr = args->get_KeyStatus(&status);
-  if (FAILED(hr))
-    return hr;
-
-  winui::Core::CoreAcceleratorKeyEventType event_type;
-  hr = args->get_EventType(&event_type);
-  if (FAILED(hr))
-    return hr;
-
-  uint32_t keyboard_flags = GetKeyboardEventFlags();
-
-  switch (event_type) {
-    case winui::Core::CoreAcceleratorKeyEventType_SystemCharacter:
-      ui_channel_->Send(new MetroViewerHostMsg_Character(virtual_key,
-                                                         status.RepeatCount,
-                                                         status.ScanCode,
-                                                         keyboard_flags));
-      break;
-
-    case winui::Core::CoreAcceleratorKeyEventType_SystemKeyDown:
-      // Don't send the Alt + F4 combination to Chrome as this is intended to
-      // shut the metro environment down. Reason we check for Control here is
-      // Windows does not shutdown metro if Ctrl is pressed along with Alt F4.
-      // Other key combinations with Alt F4 shutdown metro.
-      if ((virtual_key == VK_F4) && ((keyboard_flags & ui::EF_ALT_DOWN) &&
-          !(keyboard_flags & ui::EF_CONTROL_DOWN)))
-        return S_OK;
-      // Don't send the EF_ALT_DOWN modifier along with the IPC message for
-      // the Alt or F10 key. The accelerator for VKEY_MENU is registered
-      // without modifiers in Chrome for historical reasons. Not sending the
-      // EF_ALT_DOWN modifier ensures that the accelerator is processed
-      // correctly.
-      if (virtual_key == winsys::VirtualKey_Menu)
-        keyboard_flags &= ~ui::EF_ALT_DOWN;
-      ui_channel_->Send(new MetroViewerHostMsg_KeyDown(virtual_key,
-                                                       status.RepeatCount,
-                                                       status.ScanCode,
-                                                       keyboard_flags));
-      break;
-
-    case winui::Core::CoreAcceleratorKeyEventType_SystemKeyUp:
-      ui_channel_->Send(new MetroViewerHostMsg_KeyUp(virtual_key,
-                                                     status.RepeatCount,
-                                                     status.ScanCode,
-                                                     keyboard_flags));
-      break;
-
-    default:
-      break;
-  }
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::OnCharacterReceived(
-  winui::Core::ICoreWindow* sender,
-  winui::Core::ICharacterReceivedEventArgs* args) {
-  if (!ui_channel_)
-    return S_OK;
-
-  unsigned int char_code = 0;
-  HRESULT hr = args->get_KeyCode(&char_code);
-  if (FAILED(hr))
-    return hr;
-
-  winui::Core::CorePhysicalKeyStatus status;
-  hr = args->get_KeyStatus(&status);
-  if (FAILED(hr))
-    return hr;
-
-  ui_channel_->Send(new MetroViewerHostMsg_Character(char_code,
-                                                     status.RepeatCount,
-                                                     status.ScanCode,
-                                                     GetKeyboardEventFlags()));
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::OnWindowActivated(
-    winui::Core::ICoreWindow* sender,
-    winui::Core::IWindowActivatedEventArgs* args) {
-  if (!ui_channel_)
-    return S_OK;
-
-  if (args) {
-    winui::Core::CoreWindowActivationState state;
-    HRESULT hr = args->get_WindowActivationState(&state);
-    if (FAILED(hr))
-      return hr;
-
-    // Treat both full activation (Ash was reopened from the Start Screen or
-    // from any other Metro entry point in Windows) and pointer activation
-    // (user clicked back in Ash after using another app on another monitor)
-    // the same.
-    if (state == winui::Core::CoreWindowActivationState_CodeActivated ||
-        state == winui::Core::CoreWindowActivationState_PointerActivated) {
-      ui_channel_->Send(new MetroViewerHostMsg_WindowActivated(false));
-    }
-  } else {
-    // On Windows 7, we force a repaint when the window is activated.
-    ui_channel_->Send(new MetroViewerHostMsg_WindowActivated(true));
-  }
-  if (text_service_)
-    text_service_->OnWindowActivated();
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::HandleSearchRequest(
-    winapp::Activation::IActivatedEventArgs* args) {
-  mswr::ComPtr<winapp::Activation::ISearchActivatedEventArgs> search_args;
-  CheckHR(args->QueryInterface(
-          winapp::Activation::IID_ISearchActivatedEventArgs, &search_args));
-
-  if (!ui_channel_) {
-    DVLOG(1) << "Launched to handle search request";
-    LaunchChromeBrowserProcess(L"--windows8-search", args);
-  }
-
-  mswrw::HString search_string;
-  CheckHR(search_args->get_QueryText(search_string.GetAddressOf()));
-  base::string16 search_text(MakeStdWString(search_string.Get()));
-
-  ui_loop_.PostTask(FROM_HERE,
-                    base::Bind(&ChromeAppViewAsh::OnSearchRequest,
-                    base::Unretained(this),
-                    search_text));
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::HandleProtocolRequest(
-    winapp::Activation::IActivatedEventArgs* args) {
-  DVLOG(1) << __FUNCTION__;
-  if (!ui_channel_)
-    DVLOG(1) << "Launched to handle url request";
-
-  mswr::ComPtr<winapp::Activation::IProtocolActivatedEventArgs>
-      protocol_args;
-  CheckHR(args->QueryInterface(
-          winapp::Activation::IID_IProtocolActivatedEventArgs,
-          &protocol_args));
-
-  mswr::ComPtr<winfoundtn::IUriRuntimeClass> uri;
-  protocol_args->get_Uri(&uri);
-  mswrw::HString url;
-  uri->get_AbsoluteUri(url.GetAddressOf());
-  base::string16 actual_url(MakeStdWString(url.Get()));
-  DVLOG(1) << "Received url request: " << actual_url;
-
-  ui_loop_.PostTask(FROM_HERE,
-                    base::Bind(&ChromeAppViewAsh::OnNavigateToUrl,
-                               base::Unretained(this),
-                               actual_url));
-  return S_OK;
-}
-
-HRESULT ChromeAppViewAsh::OnEdgeGestureCompleted(
-    winui::Input::IEdgeGesture* gesture,
-    winui::Input::IEdgeGestureEventArgs* args) {
-  if (ui_channel_)
-    ui_channel_->Send(new MetroViewerHostMsg_EdgeGesture());
-  return S_OK;
-}
-
-void ChromeAppViewAsh::OnSearchRequest(const base::string16& search_string) {
-  if (ui_channel_)
-    ui_channel_->Send(new MetroViewerHostMsg_SearchRequest(search_string));
-}
-
-void ChromeAppViewAsh::OnNavigateToUrl(const base::string16& url) {
-  if (ui_channel_)
-    ui_channel_->Send(new MetroViewerHostMsg_OpenURL(url));
-}
-
-HRESULT ChromeAppViewAsh::OnSizeChanged(winui::Core::ICoreWindow* sender,
-    winui::Core::IWindowSizeChangedEventArgs* args) {
-  if (!window_ || !ui_channel_) {
-    return S_OK;
-  }
-
-  // winui::Core::IWindowSizeChangedEventArgs args->Size appears to return
-  // scaled values under HiDPI. We will instead use GetWindowRect() which
-  // should always return values in Pixels.
-  RECT rect = {0};
-  ::GetWindowRect(core_window_hwnd_, &rect);
-
-  uint32_t cx = static_cast<uint32_t>(rect.right - rect.left);
-  uint32_t cy = static_cast<uint32_t>(rect.bottom - rect.top);
-
-  DVLOG(1) << "Window size changed: width=" << cx << ", height=" << cy;
-  ui_channel_->Send(new MetroViewerHostMsg_WindowSizeChanged(cx, cy));
-  return S_OK;
-}
-
-void ChromeAppViewAsh::StartChromeOSMode() {
-  static int ms_elapsed = 0;
-
-  if (!IPC::Channel::IsNamedServerInitialized(
-          win8::kMetroViewerIPCChannelName) && ms_elapsed < 10000) {
-    ms_elapsed += 100;
-    ui_loop_.PostDelayedTask(FROM_HERE,
-        base::Bind(base::IgnoreResult(&ChromeAppViewAsh::StartChromeOSMode),
-                   base::Unretained(this)),
-        base::TimeDelta::FromMilliseconds(kChromeChannelPollTimerMs));
-    return;
-  }
-
-  if (!IPC::Channel::IsNamedServerInitialized(
-          win8::kMetroViewerIPCChannelName)) {
-    DVLOG(1) << "Failed to connect to chrome channel : "
-             << win8::kMetroViewerIPCChannelName;
-    DVLOG(1) << "Exiting. Elapsed time :" << ms_elapsed;
-    PostMessage(core_window_hwnd_, WM_CLOSE, 0, 0);
-    return;
-  }
-
-  DVLOG(1) << "Found channel : " << win8::kMetroViewerIPCChannelName;
-
-  DCHECK(channel_listener_);
-
-  // In Aura mode we create an IPC channel to the browser, then ask it to
-  // connect to us.
-  ui_channel_ =
-      IPC::ChannelProxy::Create(win8::kMetroViewerIPCChannelName,
-                                IPC::Channel::MODE_NAMED_CLIENT,
-                                channel_listener_,
-                                io_thread_->task_runner());
-  DVLOG(1) << "Created channel proxy";
-
-  // Upon receipt of the MetroViewerHostMsg_SetTargetSurface message the
-  // browser will use D3D from the browser process to present to our Window.
-  ui_channel_->Send(new MetroViewerHostMsg_SetTargetSurface(
-      gfx::NativeViewId(core_window_hwnd_),
-      win32_dpi_scale_));
-  DVLOG(1) << "ICoreWindow sent " << core_window_hwnd_;
-
-  // Send an initial size message so that the Ash root window host gets sized
-  // correctly.
-  RECT rect = {0};
-  ::GetWindowRect(core_window_hwnd_, &rect);
-  ui_channel_->Send(
-      new MetroViewerHostMsg_WindowSizeChanged(rect.right - rect.left,
-                                               rect.bottom - rect.top));
-
-  input_source_ = metro_driver::InputSource::Create();
-  if (input_source_) {
-    input_source_->AddObserver(this);
-    // Send an initial input source.
-    OnInputSourceChanged();
-  }
-
-  // Start receiving IME popup window notifications.
-  metro_driver::AddImePopupObserver(this);
-
-  DVLOG(1) << "Channel setup complete";
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-ChromeAppViewFactory::ChromeAppViewFactory(
-    winapp::Core::ICoreApplication* icore_app) {
-  mswr::ComPtr<winapp::Core::ICoreApplication> core_app(icore_app);
-  mswr::ComPtr<winapp::Core::ICoreApplicationExit> app_exit;
-  CheckHR(core_app.As(&app_exit));
-  globals.app_exit = app_exit.Detach();
-}
-
-IFACEMETHODIMP
-ChromeAppViewFactory::CreateView(winapp::Core::IFrameworkView** view) {
-  *view = mswr::Make<ChromeAppViewAsh>().Detach();
-  return (*view) ? S_OK :  E_OUTOFMEMORY;
-}