Extensions: pass ChromeV8Context around instead of v8::Handle.

chrome/renderer/extensions/page_capture_custom_bindings.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 CHROME_RENDERER_EXTENSIONS_PAGE_CAPTURE_CUSTOM_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_PAGE_CAPTURE_CUSTOM_BINDINGS_H_
 
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
 
 namespace extensions {
 
 // Implements custom bindings for the pageCapture API.
 class PageCaptureCustomBindings : public ChromeV8Extension {
  public:
   PageCaptureCustomBindings(Dispatcher* dispatcher,
-                            v8::Handle<v8::Context> context);
+                            ChromeV8Context* context);
 
  private:
   // Creates a Blob with the content of the specified file.
   v8::Handle<v8::Value> CreateBlob(const v8::Arguments& args);
   v8::Handle<v8::Value> SendResponseAck(const v8::Arguments& args);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_PAGE_CAPTURE_CUSTOM_BINDINGS_H_