Use WindowActivated message instead of VisibilityChanged message to determine that Ash is the activ…

ui/aura/remote_root_window_host_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/aura/remote_root_window_host_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 
@@ skipping 139 matching lines @@
 }
 
 bool RemoteRootWindowHostWin::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RemoteRootWindowHostWin, message)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MouseMoved, OnMouseMoved)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_MouseButton, OnMouseButton)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_KeyDown, OnKeyDown)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_KeyUp, OnKeyUp)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_Character, OnChar)
-    IPC_MESSAGE_HANDLER(MetroViewerHostMsg_VisibilityChanged,
-                        OnVisibilityChanged)
+    IPC_MESSAGE_HANDLER(MetroViewerHostMsg_WindowActivated,
+                        OnWindowActivated)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_TouchDown,
                         OnTouchDown)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_TouchUp,
                         OnTouchUp)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_TouchMoved,
                         OnTouchMoved)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_FileSaveAsDone,
                         OnFileSaveAsDone)
     IPC_MESSAGE_HANDLER(MetroViewerHostMsg_FileOpenDone,
                         OnFileOpenDone)
@@ skipping 292 matching lines @@
 }
 
 void RemoteRootWindowHostWin::OnChar(uint32 key_code,
                                      uint32 repeat_count,
                                      uint32 scan_code,
                                      uint32 flags) {
   DispatchKeyboardMessage(ui::ET_KEY_PRESSED, key_code, repeat_count,
                           scan_code, flags, true);
 }
 
-void RemoteRootWindowHostWin::OnVisibilityChanged(bool visible) {
-  if (visible)
-    delegate_->OnHostActivated();
+void RemoteRootWindowHostWin::OnWindowActivated() {
+  delegate_->OnHostActivated();
 }
 
 void RemoteRootWindowHostWin::OnTouchDown(int32 x,
                                           int32 y,
                                           uint64 timestamp,
                                           uint32 pointer_id) {
   ui::TouchEvent event(ui::ET_TOUCH_PRESSED,
                        gfx::Point(x, y),
                        pointer_id,
                        base::TimeDelta::FromMicroseconds(timestamp));
@@ skipping 99 matching lines @@
 }
 
 void RemoteRootWindowHostWin::SetEventFlags(uint32 flags) {
   if (flags == event_flags_)
     return;
   event_flags_ = flags;
   SetVirtualKeyStates(event_flags_);
 }
 
 }  // namespace aura