Add vsync notification command line switch

content/public/common/content_switches.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.
 
 // Defines all the "content" command-line switches.
 
 #ifndef CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 #define CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 
 #include "build/build_config.h"
@@ skipping 194 matching lines @@
 CONTENT_EXPORT extern const char kZygoteCmdPrefix[];
 CONTENT_EXPORT extern const char kZygoteProcess[];
 CONTENT_EXPORT extern const char kDisableSoftwareRasterizer[];
 extern const char kDefaultTileWidth[];
 extern const char kDefaultTileHeight[];
 extern const char kMaxUntiledLayerWidth[];
 extern const char kMaxUntiledLayerHeight[];
 CONTENT_EXPORT extern const char kEnableFixedPositionCreatesStackingContext[];
 CONTENT_EXPORT extern const char kDisableFixedPositionCreatesStackingContext[];
 CONTENT_EXPORT extern const char kEnableDeferredImageDecoding[];
+CONTENT_EXPORT extern const char kEnableVsyncNotification[];
 
 extern const char kEnableVisualWordMovement[];
 CONTENT_EXPORT extern const char kUseMobileUserAgent[];
 
 #if defined(OS_ANDROID)
 extern const char kDisableMediaHistoryLogging[];
 extern const char kDisableGestureRequirementForMediaPlayback[];
 extern const char kNetworkCountryIso[];
 extern const char kEnableWebViewSynchronousAPIs[];
 #endif
@@ skipping 12 matching lines @@
 
 #if defined(USE_AURA)
 CONTENT_EXPORT extern const char kTestCompositor[];
 #endif
 
 CONTENT_EXPORT extern const char kDisableOverscrollHistoryNavigation[];
 
 }  // namespace switches
 
 #endif  // CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_