blink:bindings: Passes the global context instead of |this| in JS.

extensions/renderer/blob_native_handler.h

 // Copyright 2014 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 EXTENSIONS_RENDERER_BLOB_NATIVE_HANDLER_H_
 #define EXTENSIONS_RENDERER_BLOB_NATIVE_HANDLER_H_
 
 #include "extensions/renderer/object_backed_native_handler.h"
 
 namespace extensions {
 class ScriptContext;
 
 // This native handler is used to extract Blobs' UUIDs and pass them over to the
 // browser process extension implementation via argument modification. This is
 // necessary to support extension functions that take Blob parameters, as Blobs
 // are not serialized and sent over to the browser process in the normal way.
 //
 // Blobs sent via this method don't have their ref-counts incremented, so the
 // app using this technique must be sure to keep a reference.
 class BlobNativeHandler : public ObjectBackedNativeHandler {
  public:
   explicit BlobNativeHandler(ScriptContext* context);
+
+ private:
+  void TakeBrowserProcessBlob(const v8::FunctionCallbackInfo<v8::Value>& args);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_BLOB_NATIVE_HANDLER_H_