Make View::Paint use ui::PaintRecorder to access PaintContext's canvas

ui/views/controls/menu/submenu_view.h

 // 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.
 
 #ifndef UI_VIEWS_CONTROLS_MENU_SUBMENU_VIEW_H_
 #define UI_VIEWS_CONTROLS_MENU_SUBMENU_VIEW_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 44 matching lines @@
   // Positions and sizes the child views. This tiles the views vertically,
   // giving each child the available width.
   void Layout() override;
   gfx::Size GetPreferredSize() const override;
 
   // Override from View.
   void GetAccessibleState(ui::AXViewState* state) override;
   ui::TextInputClient* GetTextInputClient() override;
 
   // Painting.
-  void PaintChildren(const PaintContext& context) override;
+  void PaintChildren(const ui::PaintContext& context) override;
 
   // Drag and drop methods. These are forwarded to the MenuController.
   bool GetDropFormats(
       int* formats,
       std::set<OSExchangeData::CustomFormat>* custom_formats) override;
   bool AreDropTypesRequired() override;
   bool CanDrop(const OSExchangeData& data) override;
   void OnDragEntered(const ui::DropTargetEvent& event) override;
   int OnDragUpdated(const ui::DropTargetEvent& event) override;
   void OnDragExited() override;
@@ skipping 142 matching lines @@
   float roundoff_error_;
 
   PrefixSelector prefix_selector_;
 
   DISALLOW_COPY_AND_ASSIGN(SubmenuView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_SUBMENU_VIEW_H_