Refactor away the Browser* dependency in exclusive_access

chrome/browser/ui/exclusive_access/fullscreen_controller.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_UI_EXCLUSIVE_ACCESS_FULLSCREEN_CONTROLLER_H_
 #define CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_FULLSCREEN_CONTROLLER_H_
 
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 31 matching lines @@
 // in other browser tabs or applications while the fullscreen view is displayed
 // on a remote screen. Second, FullscreenController will auto-resize fullscreen
 // widgets to that of the capture video resolution when they are hidden (e.g.,
 // when a user has switched to another tab). This is both a performance and
 // quality improvement since scaling and letterboxing steps can be skipped in
 // the capture pipeline.
 
 // This class implements fullscreen behaviour.
 class FullscreenController : public ExclusiveAccessControllerBase {
  public:
-  FullscreenController(ExclusiveAccessManager* manager, Browser* browser);
+  explicit FullscreenController(ExclusiveAccessManager* manager);
   ~FullscreenController() override;
 
   // Browser/User Fullscreen ///////////////////////////////////////////////////
 
   // Returns true if the window is currently fullscreen and was initially
   // transitioned to fullscreen by a browser (i.e., not tab-initiated) mode
   // transition.
   bool IsFullscreenForBrowser() const;
 
   // Returns true if Flash is providing the "exit from fullscreen" message.
@@ skipping 147 matching lines @@
   // Used in testing to confirm proper behavior for specific, privileged
   // fullscreen cases.
   bool is_privileged_fullscreen_for_testing_;
 
   base::WeakPtrFactory<FullscreenController> ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FullscreenController);
 };
 
 #endif  // CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_FULLSCREEN_CONTROLLER_H_