Add a WebKit API that registers a V8 extension to be loaded into content

chrome/renderer/extensions/extension_process_bindings.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/renderer/extensions/extension_process_bindings.h"
 
 #include "base/singleton.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/extensions/bindings_utils.h"
@@ skipping 187 matching lines @@
 
     renderview->SendExtensionRequest(name, json_args, request_id, has_callback);
 
     return v8::Undefined();
   }
 };
 
 }  // namespace
 
 v8::Extension* ExtensionProcessBindings::Get() {
-  return new ExtensionImpl();
+  static v8::Extension* extension = new ExtensionImpl();
+  return extension;
 }
 
 void ExtensionProcessBindings::SetFunctionNames(
     const std::vector<std::string>& names) {
   ExtensionImpl::SetFunctionNames(names);
 }
 
 // static
 void ExtensionProcessBindings::HandleResponse(int request_id, bool success,
                                               const std::string& response,
@@ skipping 20 matching lines @@
     const std::string& extension_id,
     const std::vector<std::string>& page_actions) {
   PageActionIdMap& page_action_map = *GetPageActionMap();
   if (!page_actions.empty()) {
     page_action_map[extension_id] = page_actions;
   } else {
     if (page_action_map.find(extension_id) != page_action_map.end())
       page_action_map.erase(extension_id);
   }
 }