Update references to Blink's Platform API headers

content/renderer/pepper/pepper_graphics_2d_host.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 CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/content_export.h"
 #include "ppapi/c/ppb_graphics_2d.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/resource_host.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebCanvas.h"
+#include "third_party/WebKit/public/platform/WebCanvas.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 
 namespace gfx {
 class Point;
 class Rect;
 }
 
 namespace webkit {
 namespace ppapi {
 class PPB_ImageData_Impl;
@@ skipping 143 matching lines @@
 
   bool is_running_in_process_;
 
   friend class PepperGraphics2DHostTest;
   DISALLOW_COPY_AND_ASSIGN(PepperGraphics2DHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_