Allow CanvasSkia to bind to an existing SkCanvas.

chrome/browser/chromeos/frame/panel_controller.cc

 // Copyright (c) 2011 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/chromeos/frame/panel_controller.h"
 
 #if defined(TOUCH_UI)
 #include <X11/Xlib.h>
 #include <X11/extensions/XInput2.h>
 #endif
@@ skipping 113 matching lines @@
     SkColor colors[2] = {kTitleActiveGradientStart, kTitleActiveGradientEnd};
     if (panel_controller_->urgent()) {
       colors[0] = kTitleUrgentGradientStart;
       colors[1] = kTitleUrgentGradientEnd;
     }
     SkShader* s = SkGradientShader::CreateLinear(
         p, colors, NULL, 2, SkShader::kClamp_TileMode, NULL);
     paint.setShader(s);
     // Need to unref shader, otherwise never deleted.
     s->unref();
-    canvas->AsCanvasSkia()->drawPath(path, paint);
+    canvas->GetSkCanvas()->drawPath(path, paint);
   }
 
   PanelController* panel_controller_;
 };
 
 static bool resources_initialized;
 static void InitializeResources() {
   if (resources_initialized) {
     return;
   }
@@ skipping 367 matching lines @@
     views::Button* sender, const views::Event& event) {
   if (panel_controller_ && sender == close_button_)
     panel_controller_->OnCloseButtonPressed();
 }
 
 PanelController::TitleContentView::~TitleContentView() {
   VLOG(1) << "panel: delete " << this;
 }
 
 }  // namespace chromeos