make "reload" on chrome://extensions automatically relaunch running apps

chrome/browser/extensions/extension_process_manager.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_EXTENSION_PROCESS_MANAGER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESS_MANAGER_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 83 matching lines @@
                               const extensions::Extension* extension);
 
   // Unregisters a RenderViewHost as hosting any extension.
   void UnregisterRenderViewHost(content::RenderViewHost* render_view_host);
 
   // Returns all RenderViewHosts that are registered for the specified
   // extension.
   std::set<content::RenderViewHost*> GetRenderViewHostsForExtension(
       const std::string& extension_id);
 
+  // Returns all RenderViewHosts that are registered for the specified
+  // extension and have the given view type.
+  std::set<content::RenderViewHost*> GetRenderViewHostsWithTypeForExtension(
+      const std::string& extension_id, chrome::ViewType view_type);
+
   // Returns the extension associated with the specified RenderViewHost, or
   // NULL.
   const extensions::Extension* GetExtensionForRenderViewHost(
       content::RenderViewHost* render_view_host);
 
   // Returns true if the (lazy) background host for the given extension has
   // already been sent the unload event and is shutting down.
   bool IsBackgroundHostClosing(const std::string& extension_id);
 
   // Getter and setter for the lazy background page's keepalive count. This is
@@ skipping 75 matching lines @@
   void CloseLazyBackgroundPageNow(const std::string& extension_id);
 
   // Updates a potentially-registered RenderViewHost once it has been
   // associated with a WebContents. This allows us to gather information that
   // was not available when the host was first registered.
   void UpdateRegisteredRenderView(content::RenderViewHost* render_view_host);
 
   // Clears background page data for this extension.
   void ClearBackgroundPageData(const std::string& extension_id);
 
+  // Gets the RVHs for the given extension. If |restrict_to_type| is true, only
+  // views of |view_type| are returned.
+  std::set<content::RenderViewHost*> DoGetRenderViewHostsForExtension(
+      const std::string& extension_id,
+      bool restrict_to_type,
+      chrome::ViewType view_type);
+
   BackgroundPageDataMap background_page_data_;
 
   // The time to delay between an extension becoming idle and
   // sending a ShouldUnload message; read from command-line switch.
   base::TimeDelta event_page_idle_time_;
 
   // The time to delay between sending a ShouldUnload message and
   // sending a Unload message; read from command-line switch.
   base::TimeDelta event_page_unloading_time_;
 
   base::WeakPtrFactory<ExtensionProcessManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionProcessManager);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESS_MANAGER_H_