Refactor away the Browser* dependency in exclusive_access

chrome/browser/ui/exclusive_access/exclusive_access_controller_base.h

 // Copyright (c) 2015 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_UI_EXCLUSIVE_ACCESS_EXCLUSIVE_ACCESS_CONTROLLER_BASE_H_
 #define CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_EXCLUSIVE_ACCESS_CONTROLLER_BASE_H_
 
 #include "base/basictypes.h"
-#include "base/memory/weak_ptr.h"
+#include "base/memory/ref_counted.h"
 #include "chrome/browser/ui/exclusive_access/exclusive_access_bubble_type.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
-class Browser;
-class BrowserWindow;
 class ExclusiveAccessManager;
 class GURL;
 class Profile;
 
 namespace content {
 class WebContents;
 }
 
 // The base class for the different exclusive access controllers like the
 // FullscreenController, and MouseLockController which controls lifetime for
 // which the resource (screen/mouse) is held exclusively.
 class ExclusiveAccessControllerBase : public content::NotificationObserver {
  public:
-  explicit ExclusiveAccessControllerBase(ExclusiveAccessManager* manager,
-                                         Browser* browser);
+  explicit ExclusiveAccessControllerBase(ExclusiveAccessManager* manager);
   ~ExclusiveAccessControllerBase() override;
 
   GURL GetExclusiveAccessBubbleURL() const;
   virtual GURL GetURLForExclusiveAccessBubble() const;
 
   content::WebContents* exclusive_access_tab() const {
     return tab_with_exclusive_access_;
   }
 
   // Functions implemented by derived classes:
@@ skipping 25 matching lines @@
   // access.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
  protected:
   void SetTabWithExclusiveAccess(content::WebContents* tab);
 
   ExclusiveAccessManager* exclusive_access_manager() const { return manager_; }
 
-  Browser* browser() const { return browser_; }
-
-  Profile* profile() const { return profile_; }
-
   // Exits exclusive access mode for the tab if currently exclusive.
   virtual void ExitExclusiveAccessIfNecessary() = 0;
 
   // Notifies the tab that it has been forced out of exclusive access mode
   // if necessary.
   virtual void NotifyTabExclusiveAccessLost() = 0;
 
  private:
   void UpdateNotificationRegistrations();
 
   ExclusiveAccessManager* const manager_;
-  Browser* const browser_;
-  Profile* const profile_;
 
   content::NotificationRegistrar registrar_;
 
   content::WebContents* tab_with_exclusive_access_;
 
   DISALLOW_COPY_AND_ASSIGN(ExclusiveAccessControllerBase);
 };
 
 #endif  // CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_EXCLUSIVE_ACCESS_CONTROLLER_BASE_H_