Move Extension into extensions namespace

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>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time.h"
 #include "content/public/common/view_type.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class Browser;
-class Extension;
 class ExtensionHost;
 class GURL;
 class Profile;
 
 namespace content {
 class RenderViewHost;
 class SiteInstance;
 };
 
+namespace extensions {
+class Extension;
+}
+
 // Manages dynamic state of running Chromium extensions. There is one instance
 // of this class per Profile. OTR Profiles have a separate instance that keeps
 // track of split-mode extensions only.
 class ExtensionProcessManager : public content::NotificationObserver {
  public:
   typedef std::set<ExtensionHost*> ExtensionHostSet;
   typedef ExtensionHostSet::const_iterator const_iterator;
 
   static ExtensionProcessManager* Create(Profile* profile);
   virtual ~ExtensionProcessManager();
 
   const ExtensionHostSet& background_hosts() const {
     return background_hosts_;
   }
 
   typedef std::set<content::RenderViewHost*> ViewSet;
   const ViewSet GetAllViews() const;
 
   // Creates a new ExtensionHost with its associated view, grouping it in the
   // appropriate SiteInstance (and therefore process) based on the URL and
   // profile.
-  virtual ExtensionHost* CreateViewHost(const Extension* extension,
+  virtual ExtensionHost* CreateViewHost(const extensions::Extension* extension,
                                         const GURL& url,
                                         Browser* browser,
                                         content::ViewType view_type);
   ExtensionHost* CreateViewHost(const GURL& url,
                                 Browser* browser,
                                 content::ViewType view_type);
-  ExtensionHost* CreatePopupHost(const Extension* extension,
+  ExtensionHost* CreatePopupHost(const extensions::Extension* extension,
                                  const GURL& url,
                                  Browser* browser);
   ExtensionHost* CreatePopupHost(const GURL& url, Browser* browser);
   ExtensionHost* CreateDialogHost(const GURL& url, Browser* browser);
-  ExtensionHost* CreateInfobarHost(const Extension* extension,
+  ExtensionHost* CreateInfobarHost(const extensions::Extension* extension,
                                    const GURL& url,
                                    Browser* browser);
   ExtensionHost* CreateInfobarHost(const GURL& url,
                                    Browser* browser);
 
   // Open the extension's options page.
-  void OpenOptionsPage(const Extension* extension, Browser* browser);
+  void OpenOptionsPage(const extensions::Extension* extension,
+                       Browser* browser);
 
   // Creates a new UI-less extension instance.  Like CreateViewHost, but not
   // displayed anywhere.
-  virtual void CreateBackgroundHost(const Extension* extension,
+  virtual void CreateBackgroundHost(const extensions::Extension* extension,
                                     const GURL& url);
 
   // Gets the ExtensionHost for the background page for an extension, or NULL if
   // the extension isn't running or doesn't have a background page.
   ExtensionHost* GetBackgroundHostForExtension(const std::string& extension_id);
 
   // Returns the SiteInstance that the given URL belongs to.
   // TODO(aa): This only returns correct results for extensions and packaged
   // apps, not hosted apps.
   virtual content::SiteInstance* GetSiteInstanceForURL(const GURL& url);
 
   // Registers a RenderViewHost as hosting a given extension.
   void RegisterRenderViewHost(content::RenderViewHost* render_view_host,
-                              const Extension* extension);
+                              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 the extension associated with the specified RenderViewHost, or
   // NULL.
-  const Extension* GetExtensionForRenderViewHost(
+  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
   // the count of how many outstanding "things" are keeping the page alive.
   // When this reaches 0, we will begin the process of shutting down the page.
   // "Things" include pending events, resource loads, and API calls.
-  int GetLazyKeepaliveCount(const Extension* extension);
-  int IncrementLazyKeepaliveCount(const Extension* extension);
-  int DecrementLazyKeepaliveCount(const Extension* extension);
+  int GetLazyKeepaliveCount(const extensions::Extension* extension);
+  int IncrementLazyKeepaliveCount(const extensions::Extension* extension);
+  int DecrementLazyKeepaliveCount(const extensions::Extension* extension);
 
   void IncrementLazyKeepaliveCountForView(
       content::RenderViewHost* render_view_host);
 
   // Handles a response to the ShouldUnload message, used for lazy background
   // pages.
   void OnShouldUnloadAck(const std::string& extension_id, int sequence_id);
 
   // Same as above, for the Unload message.
   void OnUnloadAck(const std::string& extension_id);
@@ skipping 75 matching lines @@
   // 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_