Add chrome.webstore API methods to allow sites to see progress of installation

chrome/browser/extensions/tab_helper.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_BROWSER_EXTENSIONS_TAB_HELPER_H_
 #define CHROME_BROWSER_EXTENSIONS_TAB_HELPER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 189 matching lines @@
   // ExtensionFunctionDispatcher::Delegate overrides.
   virtual extensions::WindowController* GetExtensionWindowController()
       const OVERRIDE;
   virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
 
   // Message handlers.
   void OnDidGetApplicationInfo(int32 page_id, const WebApplicationInfo& info);
   void OnInlineWebstoreInstall(int install_id,
                                int return_route_id,
                                const std::string& webstore_item_id,
-                               const GURL& requestor_url);
+                               const GURL& requestor_url,
+                               int listeners_mask);
   void OnGetAppInstallState(const GURL& requestor_url,
                             int return_route_id,
                             int callback_id);
   void OnRequest(const ExtensionHostMsg_Request_Params& params);
   void OnContentScriptsExecuting(
       const ScriptExecutionObserver::ExecutingScriptsMap& extension_ids,
       int32 page_id,
       const GURL& on_url);
   void OnWatchedPageChange(const std::vector<std::string>& css_selectors);
   void OnDetailedConsoleMessageAdded(const base::string16& message,
@@ skipping 71 matching lines @@
 
   // Creates WebstoreInlineInstaller instances for inline install triggers.
   scoped_ptr<WebstoreInlineInstallerFactory> webstore_inline_installer_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TabHelper);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_TAB_HELPER_H_