Move ThreeDAPIObserver from chrome/browser to chrome/browser/gpu.

chrome/browser/three_d_api_observer.h

Index: chrome/browser/three_d_api_observer.h
diff --git a/chrome/browser/three_d_api_observer.h b/chrome/browser/three_d_api_observer.h
deleted file mode 100644
index b1a76fa457408d21973a593fcb74f8a641f97865..0000000000000000000000000000000000000000
--- a/chrome/browser/three_d_api_observer.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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 CHROME_BROWSER_THREE_D_API_OBSERVER_H_
-#define CHROME_BROWSER_THREE_D_API_OBSERVER_H_
-
-#include "base/compiler_specific.h"
-#include "content/public/browser/gpu_data_manager_observer.h"
-
-class ThreeDAPIObserver : public content::GpuDataManagerObserver {
- public:
-  ThreeDAPIObserver();
-  virtual ~ThreeDAPIObserver();
-
- private:
-  virtual void DidBlock3DAPIs(const GURL& url,
-                              int render_process_id,
-                              int render_view_id,
-                              content::ThreeDAPIType requester) OVERRIDE;
-
-  DISALLOW_COPY_AND_ASSIGN(ThreeDAPIObserver);
-};
-
-#endif  // CHROME_BROWSER_THREE_D_API_OBSERVER_H_