Added flag simplified-fullscreen-ui.

chrome/browser/ui/exclusive_access/exclusive_access_manager.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_manager.h"
 
+#include "base/command_line.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/exclusive_access/exclusive_access_context.h"
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
 #include "chrome/browser/ui/exclusive_access/mouse_lock_controller.h"
+#include "chrome/common/chrome_switches.h"
 
 using content::WebContents;
 
 ExclusiveAccessManager::ExclusiveAccessManager(
     ExclusiveAccessContext* exclusive_access_context)
     : exclusive_access_context_(exclusive_access_context),
       fullscreen_controller_(this),
       mouse_lock_controller_(this) {
 }
 
@@ skipping 54 matching lines @@
       url, bubble_type);
 }
 
 GURL ExclusiveAccessManager::GetExclusiveAccessBubbleURL() const {
   GURL result = fullscreen_controller_.GetURLForExclusiveAccessBubble();
   if (!result.is_valid())
     result = mouse_lock_controller_.GetURLForExclusiveAccessBubble();
   return result;
 }
 
+// static
+bool ExclusiveAccessManager::IsSimplifiedFullscreenUIEnabled() {
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableSimplifiedFullscreenUI)) {
+    return true;
+  }
+
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kDisableSimplifiedFullscreenUI)) {
+    return false;
+  }
+
+  return false;
+}
+
 void ExclusiveAccessManager::OnTabDeactivated(WebContents* web_contents) {
   fullscreen_controller_.OnTabDeactivated(web_contents);
   mouse_lock_controller_.OnTabDeactivated(web_contents);
 }
 
 void ExclusiveAccessManager::OnTabDetachedFromView(WebContents* web_contents) {
   fullscreen_controller_.OnTabDetachedFromView(web_contents);
   mouse_lock_controller_.OnTabDetachedFromView(web_contents);
 }
 
@@ skipping 21 matching lines @@
   bool updateBubble = mouse_lock_controller_.OnDenyExclusiveAccessPermission();
   updateBubble |= fullscreen_controller_.OnDenyExclusiveAccessPermission();
   if (updateBubble)
     UpdateExclusiveAccessExitBubbleContent();
 }
 
 void ExclusiveAccessManager::ExitExclusiveAccess() {
   fullscreen_controller_.ExitExclusiveAccessToPreviousState();
   mouse_lock_controller_.LostMouseLock();
 }