Update references to Blink's Platform API headers

cc/debug/fake_web_graphics_context_3d.h

 // Copyright 2013 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 CC_DEBUG_FAKE_WEB_GRAPHICS_CONTEXT_3D_H_
 #define CC_DEBUG_FAKE_WEB_GRAPHICS_CONTEXT_3D_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "cc/base/cc_export.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
+#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 
 namespace cc {
 
 // WebGraphicsContext3D base class for use in unit tests.
 // All operations are no-ops (returning 0 if necessary).
 class CC_EXPORT FakeWebGraphicsContext3D
     : public NON_EXPORTED_BASE(WebKit::WebGraphicsContext3D) {
  public:
   FakeWebGraphicsContext3D();
   virtual ~FakeWebGraphicsContext3D();
@@ skipping 569 matching lines @@
   virtual void drawBuffersEXT(WebKit::WGC3Dsizei m,
                               const WebKit::WGC3Denum* bufs) {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeWebGraphicsContext3D);
 };
 
 }  // namespace cc
 
 #endif  // CC_DEBUG_FAKE_WEB_GRAPHICS_CONTEXT_3D_H_