Revert 149083 - Add command-line option to have an extra delay before blitting.

This may help in tracking down any synchronization issues.


BUG=135546


Review URL: https://chromiumcodereview.appspot.com/10836018

TBR=jbauman@chromium.org

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149686 0039d316-1c4b-4281-b951-d872f2087c98

ui/surface/accelerated_surface_win.cc

@@ -36,7 +36,6 @@ typedef HRESULT (WINAPI *Direct3DCreate9ExFunc)(UINT sdk_version,
 const wchar_t kD3D9ModuleName[] = L"d3d9.dll";
 const char kCreate3D9DeviceExName[] = "Direct3DCreate9Ex";
 
-const char kGpuBlitDelay[] = "gpu-blit-delay";
 const char kUseOcclusionQuery[] = "use-occlusion-query";
 
 struct Vertex {
@@ -672,16 +671,6 @@ static base::TimeDelta GetSwapDelay() {
   return base::TimeDelta::FromMilliseconds(delay);
 }
 
-static base::TimeDelta GetBlitDelay() {
-  CommandLine* cmd_line = CommandLine::ForCurrentProcess();
-  int delay = 0;
-  if (cmd_line->HasSwitch(kGpuBlitDelay)) {
-    base::StringToInt(cmd_line->GetSwitchValueNative(
-        kGpuBlitDelay).c_str(), &delay);
-  }
-  return base::TimeDelta::FromMilliseconds(delay);
-}
-
 void AcceleratedPresenter::DoPresentAndAcknowledge(
     const gfx::Size& size,
     int64 surface_handle,
@@ -783,10 +772,6 @@ void AcceleratedPresenter::DoPresentAndAcknowledge(
     size.width(), size.height()
   };
 
-  static const base::TimeDelta blit_delay = GetBlitDelay();
-  if (blit_delay.ToInternalValue())
-    base::PlatformThread::Sleep(blit_delay);
-
   {
     TRACE_EVENT0("gpu", "Copy");