Make GetRootWindow() return a Window instead of a RootWindow.

ui/views/widget/tooltip_manager_aura.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/views/widget/tooltip_manager_aura.h"
 
 #include "base/logging.h"
 #include "ui/aura/client/tooltip_client.h"
 #include "ui/aura/root_window.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 30 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // TooltipManagerAura, TooltipManager implementation:
 
 const gfx::FontList& TooltipManagerAura::GetFontList() const {
   return GetDefaultFontList();
 }
 
 void TooltipManagerAura::UpdateTooltip() {
-  aura::RootWindow* root_window = window_->GetRootWindow();
+  aura::Window* root_window = window_->GetRootWindow();
   if (aura::client::GetTooltipClient(root_window)) {
-    gfx::Point view_point = root_window->GetLastMouseLocationInRoot();
+    gfx::Point view_point =
+        root_window->GetDispatcher()->GetLastMouseLocationInRoot();
     aura::Window::ConvertPointToTarget(root_window, window_, &view_point);
     View* view = GetViewUnderPoint(view_point);
     UpdateTooltipForTarget(view, view_point, root_window);
   }
 }
 
 void TooltipManagerAura::TooltipTextChanged(View* view)  {
-  aura::RootWindow* root_window = window_->GetRootWindow();
+  aura::Window* root_window = window_->GetRootWindow();
   if (aura::client::GetTooltipClient(root_window)) {
-    gfx::Point view_point = root_window->GetLastMouseLocationInRoot();
+    gfx::Point view_point =
+        root_window->GetDispatcher()->GetLastMouseLocationInRoot();
     aura::Window::ConvertPointToTarget(root_window, window_, &view_point);
     View* target = GetViewUnderPoint(view_point);
     if (target != view)
       return;
     UpdateTooltipForTarget(view, view_point, root_window);
   }
 }
 
 View* TooltipManagerAura::GetViewUnderPoint(const gfx::Point& point) {
   View* root_view = widget_->GetRootView();
   if (root_view)
     return root_view->GetTooltipHandlerForPoint(point);
   return NULL;
 }
 
 void TooltipManagerAura::UpdateTooltipForTarget(View* target,
                                                 const gfx::Point& point,
-                                                aura::RootWindow* root_window) {
+                                                aura::Window* root_window) {
   if (target) {
     gfx::Point view_point = point;
     View::ConvertPointFromWidget(target, &view_point);
     string16 new_tooltip_text;
     if (!target->GetTooltipText(view_point, &new_tooltip_text))
       tooltip_text_.clear();
     else
       tooltip_text_ = new_tooltip_text;
   } else {
     tooltip_text_.clear();
   }
   aura::client::GetTooltipClient(root_window)->UpdateTooltip(window_);
 }
 
 }  // namespace views.