Add vsync notification command line switch

content/browser/renderer_host/render_process_host_impl.cc

 // 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 883 matching lines @@
     cc::switches::kShowSurfaceDamageRects,
     cc::switches::kSlowDownRasterScaleFactor,
     cc::switches::kTopControlsHeight,
     cc::switches::kTopControlsHideThreshold,
     cc::switches::kTopControlsShowThreshold,
     cc::switches::kTraceAllRenderedFrames,
     cc::switches::kTraceOverdraw,
     cc::switches::kUseCheapnessEstimator,
     cc::switches::kUseColorEstimator,
     cc::switches::kCompositeToMailbox,
+    cc::switches::kEnableVsyncNotification,

[danakj, 2013/03/20 18:25:33]

alphabetical order

add this to chrome/browser/chromeos/login/chrome_restart_request.cc as well.

[mkosiba (inactive), 2013/03/21 12:02:11]

Done.

   };
   renderer_cmd->CopySwitchesFrom(browser_cmd, kSwitchNames,
                                  arraysize(kSwitchNames));
 
   // Disable databases in incognito mode.
   if (GetBrowserContext()->IsOffTheRecord() &&
       !browser_cmd.HasSwitch(switches::kDisableDatabases)) {
     renderer_cmd->AppendSwitch(switches::kDisableDatabases);
 #if defined(OS_ANDROID)
     renderer_cmd->AppendSwitch(switches::kDisableMediaHistoryLogging);
@@ skipping 765 matching lines @@
   TRACE_EVENT0("renderer_host",
                "RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwappedNoHost");
   AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
   ack_params.sync_point = 0;
   RenderWidgetHostImpl::AcknowledgeBufferPresent(route_id,
                                                  gpu_process_host_id,
                                                  ack_params);
 }
 
 }  // namespace content