Add PrerenderStatusEvent on Prerenders

chrome/renderer/prerender/prerendering_support.h

Index: chrome/renderer/prerender/prerendering_support.h
diff --git a/chrome/renderer/prerender/prerendering_support.h b/chrome/renderer/prerender/prerendering_support.h
deleted file mode 100644
index 1581f0a081f2a9f4231d5c159643f5da2068e7f7..0000000000000000000000000000000000000000
--- a/chrome/renderer/prerender/prerendering_support.h
+++ /dev/null
@@ -1,26 +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_RENDERER_PRERENDER_PRERENDERING_SUPPORT_H_
-#define CHROME_RENDERER_PRERENDER_PRERENDERING_SUPPORT_H_
-
-#include "base/compiler_specific.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebPrerenderingSupport.h"
-
-namespace prerender {
-
-// Implements the interface that provides Prerendering to WebKit.
-class PrerenderingSupport : public WebKit::WebPrerenderingSupport {
- public:
-  virtual ~PrerenderingSupport();
-
-  virtual void add(const WebKit::WebPrerender& prerender) OVERRIDE;
-  virtual void cancel(const WebKit::WebPrerender& prerender) OVERRIDE;
-  virtual void abandon(const WebKit::WebPrerender& prerender) OVERRIDE;
-};
-
-}  // namespace prerender
-
-#endif  // CHROME_RENDERER_PRERENDER_PRERENDERING_SUPPORT_H_
-