Reland: Convert ExtensionProcessManager to BrowserContext, part 1

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_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/common/view_type.h"
 
 class Browser;
 class GURL;
 class Profile;
 
 namespace content {
+class BrowserContext;
 class DevToolsAgentHost;
 class RenderViewHost;
 class SiteInstance;
 };
 
 namespace extensions {
 class Extension;
 class ExtensionHost;
 }
 
 // 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<extensions::ExtensionHost*> ExtensionHostSet;
   typedef ExtensionHostSet::const_iterator const_iterator;
 
-  static ExtensionProcessManager* Create(Profile* profile);
+  static ExtensionProcessManager* Create(content::BrowserContext* context);
   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
@@ skipping 79 matching lines @@
   // Prevents |extension|'s background page from being closed and sends the
   // onSuspendCanceled() event to it.
   void CancelSuspend(const extensions::Extension* extension);
 
   // If |defer| is true background host creation is to be deferred until this is
   // called again with |defer| set to false, at which point all deferred
   // background hosts will be created.  Defaults to false.
   void DeferBackgroundHostCreation(bool defer);
 
  protected:
-  explicit ExtensionProcessManager(Profile* profile);
+  // If |context| is incognito pass the master context as |original_context|.
+  // Otherwise pass the same context for both.
+  ExtensionProcessManager(content::BrowserContext* context,
+                          content::BrowserContext* original_context);
 
   // Called just after |host| is created so it can be registered in our lists.
   void OnExtensionHostCreated(extensions::ExtensionHost* host,
                               bool is_background);
 
   // Called on browser shutdown to close our extension hosts.
   void CloseBackgroundHosts();
 
   // content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Load all background pages once the profile data is ready and the pages
   // should be loaded.
   void CreateBackgroundHostsForProfileStartup();
 
   // Gets the profile associated with site_instance_ and all other
   // related SiteInstances.
   Profile* GetProfile() const;
 
+  // Returns the same value as GetProfile() as a BrowserContext.
+  content::BrowserContext* GetBrowserContext() const;
+
   content::NotificationRegistrar registrar_;
 
   // The set of ExtensionHosts running viewless background extensions.
   ExtensionHostSet background_hosts_;
 
   // A SiteInstance related to the SiteInstance for all extensions in
   // this profile.  We create it in such a way that a new
   // browsing instance is created.  This controls process grouping.
   scoped_refptr<content::SiteInstance> site_instance_;
 
  private:
+  friend class ExtensionProcessManagerTest;
+
   // Extra information we keep for each extension's background page.
   struct BackgroundPageData;
   typedef std::string ExtensionId;
   typedef std::map<ExtensionId, BackgroundPageData> BackgroundPageDataMap;
   typedef std::map<content::RenderViewHost*,
       extensions::ViewType> ExtensionRenderViews;
 
   // Close the given |host| iff it's a background page.
   void CloseBackgroundHost(extensions::ExtensionHost* host);
 
@@ skipping 13 matching lines @@
   // extension. Does nothing if this is not an extension renderer.
   void RegisterRenderViewHost(content::RenderViewHost* render_view_host);
 
   // Unregister RenderViewHosts and clear background page data for an extension
   // which has been unloaded.
   void UnregisterExtension(const std::string& extension_id);
 
   // Clears background page data for this extension.
   void ClearBackgroundPageData(const std::string& extension_id);
 
-  // Returns true if loading background pages should be deferred. This is
-  // true if there are no browser windows open and the browser process was
-  // started to show the app launcher, or if DeferBackgroundHostCreation was
-  // called with true, or if the profile is not yet valid.
+  // Returns true if loading background pages should be deferred.
   bool DeferLoadingBackgroundHosts() const;
 
   void OnDevToolsStateChanged(content::DevToolsAgentHost*, bool attached);
 
   // Contains all active extension-related RenderViewHost instances for all
   // extensions. We also keep a cache of the host's view type, because that
   // information is not accessible at registration/deregistration time.
   ExtensionRenderViews all_extension_views_;
 
   BackgroundPageDataMap background_page_data_;
 
   // The time to delay between an extension becoming idle and
   // sending a ShouldSuspend message; read from command-line switch.
   base::TimeDelta event_page_idle_time_;
 
   // The time to delay between sending a ShouldSuspend message and
   // sending a Suspend message; read from command-line switch.
   base::TimeDelta event_page_suspending_time_;
 
   // If true, then creation of background hosts is suspended.
   bool defer_background_host_creation_;
 
+  base::Callback<void(content::DevToolsAgentHost*, bool)> devtools_callback_;
+
   base::WeakPtrFactory<ExtensionProcessManager> weak_ptr_factory_;
 
-  base::Callback<void(content::DevToolsAgentHost*, bool)> devtools_callback_;
-
   DISALLOW_COPY_AND_ASSIGN(ExtensionProcessManager);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PROCESS_MANAGER_H_