Convert native mouse locations to the locations in screen coordinate in RootWindowHostLinux.

chrome/browser/ui/ash/tabs/dock_info_ash.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 "chrome/browser/ui/tabs/dock_info.h"
 
 #include "ash/shell_window_ids.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/root_window.h"
@@ skipping 10 matching lines @@
     aura::Window* window) {
   if (ignore.find(window) != ignore.end())
     return NULL;
 
   if (!window->IsVisible())
     return NULL;
 
   if (window->id() == ash::internal::kShellWindowId_PhantomWindow)
     return NULL;
 
-  if (window->layer()->type() == ui::LAYER_TEXTURED) {
-    gfx::Point window_point(screen_point);
-    aura::client::GetScreenPositionClient(window->GetRootWindow())->
-        ConvertPointFromScreen(window, &window_point);
-    return gfx::Rect(window->bounds().size()).Contains(window_point) ?
-        window : NULL;
-  }
+  if (window->layer()->type() == ui::LAYER_TEXTURED)
+    return window->GetBoundsInScreen().Contains(screen_point) ? window : NULL;
+
   for (aura::Window::Windows::const_reverse_iterator i =
            window->children().rbegin(); i != window->children().rend(); ++i) {
     aura::Window* result =
         GetLocalProcessWindowAtPointImpl(screen_point, ignore, *i);
     if (result)
       return result;
   }
   return NULL;
 }
 
@@ skipping 18 matching lines @@
 bool DockInfo::GetWindowBounds(gfx::Rect* bounds) const {
   if (!window())
     return false;
   *bounds = window_->bounds();
   return true;
 }
 
 void DockInfo::SizeOtherWindowTo(const gfx::Rect& bounds) const {
   window_->SetBounds(bounds);
 }