ui/gfx: Make gfx::Canvas inherit from gfx::CanvasSkia.

chrome/browser/ui/views/extensions/browser_action_overflow_menu_controller.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/views/extensions/browser_action_overflow_menu_controller.h"
 
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_context_menu_model.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_list.h"
@@ skipping 24 matching lines @@
   menu_runner_.reset(new views::MenuRunner(menu_));
   menu_->set_has_icons(true);
 
   size_t command_id = 1;  // Menu id 0 is reserved, start with 1.
   for (size_t i = start_index; i < views_->size(); ++i) {
     BrowserActionView* view = (*views_)[i];
     scoped_ptr<gfx::Canvas> canvas(view->GetIconWithBadge());
     menu_->AppendMenuItemWithIcon(
         command_id,
         UTF8ToUTF16(view->button()->extension()->name()),
-        canvas->AsCanvasSkia()->ExtractBitmap());
+        canvas->ExtractBitmap());
 
     // Set the tooltip for this item.
     string16 tooltip = UTF8ToUTF16(
         view->button()->extension()->browser_action()->GetTitle(
             owner_->GetCurrentTabId()));
     menu_->SetTooltip(tooltip, command_id);
 
     ++command_id;
   }
 }
@@ skipping 156 matching lines @@
 
 BrowserActionView* BrowserActionOverflowMenuController::ViewForId(
     int id, size_t* index) {
   // The index of the view being dragged (GetCommand gives a 1-based index into
   // the overflow menu).
   size_t view_index = owner_->VisibleBrowserActions() + id - 1;
   if (index)
     *index = view_index;
   return owner_->GetBrowserActionViewAt(view_index);
 }