Relanding: Add js api for hosted/packaged apps to request notification authorization

chrome/renderer/extensions/extension_helper.h

 // Copyright (c) 2011 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_EXTENSION_HELPER_H_
 #define CHROME_RENDERER_EXTENSIONS_EXTENSION_HELPER_H_
 #pragma once
 
 #include <map>
 
@@ skipping 28 matching lines @@
   // page must link to an external 'definition file'. This is different from
   // the 'application shortcuts' feature where we pull the application
   // definition out of optional meta tags in the page.
   bool InstallWebApplicationUsingDefinitionFile(WebKit::WebFrame* frame,
                                                 string16* error);
 
   void InlineWebstoreInstall(int install_id,
                              std::string webstore_item_id,
                              GURL requestor_url);
 
+  // Starts fetching a channel id for server pushed notifications. The result
+  // comes back via OnGetAppNotifyChannelResponse.
+  void GetAppNotifyChannel(int request_id,
+                           const GURL& requestor_url,
+                           const std::string& client_id);
+
   int browser_window_id() const { return browser_window_id_; }
   content::ViewType::Type view_type() const { return view_type_; }
 
  private:
   // RenderViewObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
   virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame);
   virtual void DidFinishLoad(WebKit::WebFrame* frame);
   virtual void DidCreateDocumentElement(WebKit::WebFrame* frame);
   virtual void DidStartProvisionalLoad(WebKit::WebFrame* frame);
   virtual void FrameDetached(WebKit::WebFrame* frame);
   virtual void DidCreateDataSource(WebKit::WebFrame* frame,
                                    WebKit::WebDataSource* ds);
 
   void OnExtensionResponse(int request_id, bool success,
                            const std::string& response,
                            const std::string& error);
   void OnExtensionMessageInvoke(const std::string& extension_id,
                                 const std::string& function_name,
                                 const base::ListValue& args,
                                 const GURL& event_url);
   void OnExtensionDeliverMessage(int target_port_id,
                                  const std::string& message);
   void OnExecuteCode(const ExtensionMsg_ExecuteCode_Params& params);
   void OnGetApplicationInfo(int page_id);
   void OnNotifyRendererViewType(content::ViewType::Type view_type);
   void OnUpdateBrowserWindowId(int window_id);
   void OnInlineWebstoreInstallResponse(
       int install_id, bool success, const std::string& error);
+  void OnGetAppNotifyChannelResponse(
+      int request_id, const std::string& channel_id, const std::string& error);
 
   // Callback triggered when we finish downloading the application definition
   // file.
   void DidDownloadApplicationDefinition(const WebKit::WebURLResponse& response,
                                         const std::string& data);
 
   // Callback triggered after each icon referenced by the application definition
   // is downloaded.
   void DidDownloadApplicationIcon(webkit_glue::ImageResourceFetcher* fetcher,
                                   const SkBitmap& image);
@@ skipping 21 matching lines @@
   // Type of view attached with RenderView.
   content::ViewType::Type view_type_;
 
   // Id number of browser window which RenderView is attached to.
   int browser_window_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHelper);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_EXTENSION_HELPER_H_