Refactor away the Browser* dependency in exclusive_access

chrome/browser/ui/exclusive_access/exclusive_access_controller_base.cc

 // 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.
 
 #include "chrome/browser/ui/exclusive_access/exclusive_access_controller_base.h"
 
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 
 using content::WebContents;
 
 ExclusiveAccessControllerBase::ExclusiveAccessControllerBase(
-    ExclusiveAccessManager* manager,
-    Browser* browser)
-    : manager_(manager),
-      browser_(browser),
-      profile_(browser->profile()),
-      tab_with_exclusive_access_(nullptr) {
-  DCHECK(profile_);
+    ExclusiveAccessManager* manager)
+    : manager_(manager), tab_with_exclusive_access_(nullptr) {
 }
 
 ExclusiveAccessControllerBase::~ExclusiveAccessControllerBase() {
 }
 
 GURL ExclusiveAccessControllerBase::GetExclusiveAccessBubbleURL() const {
   return manager_->GetExclusiveAccessBubbleURL();
 }
 
 GURL ExclusiveAccessControllerBase::GetURLForExclusiveAccessBubble() const {
@@ skipping 48 matching lines @@
 
 void ExclusiveAccessControllerBase::UpdateNotificationRegistrations() {
   if (tab_with_exclusive_access_ && registrar_.IsEmpty()) {
     registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
                    content::Source<content::NavigationController>(
                        &tab_with_exclusive_access_->GetController()));
   } else if (!tab_with_exclusive_access_ && !registrar_.IsEmpty()) {
     registrar_.RemoveAll();
   }
 }