Revert of Added an extra sync token field for extra command buffer identification.

media/base/video_frame_unittest.cc

Index: media/base/video_frame_unittest.cc
diff --git a/media/base/video_frame_unittest.cc b/media/base/video_frame_unittest.cc
index 157986f3d63aaf7c37813970cc920d996c3a5fbe..ee2a454dca249052b581acc3406c5de2c8277b75 100644
--- a/media/base/video_frame_unittest.cc
+++ b/media/base/video_frame_unittest.cc
@@ -269,8 +269,7 @@
 // Verify the gpu::MailboxHolder::ReleaseCallback is called when VideoFrame is
 // destroyed with the default release sync point.
 TEST(VideoFrame, TextureNoLongerNeededCallbackIsCalled) {
-  gpu::SyncToken called_sync_token(gpu::CommandBufferNamespace::GPU_IO, 0, 1,
-                                   1);
+  gpu::SyncToken called_sync_token(gpu::CommandBufferNamespace::GPU_IO, 1, 1);
 
   {
     scoped_refptr<VideoFrame> frame = VideoFrame::WrapNativeTexture(
@@ -322,10 +321,10 @@
     mailbox[i].name[0] = 50 + 1;
   }
 
-  gpu::SyncToken sync_token(kNamespace, 0, kCommandBufferId, 7);
+  gpu::SyncToken sync_token(kNamespace, kCommandBufferId, 7);
   sync_token.SetVerifyFlush();
   uint32 target = 9;
-  gpu::SyncToken release_sync_token(kNamespace, 0, kCommandBufferId, 111);
+  gpu::SyncToken release_sync_token(kNamespace, kCommandBufferId, 111);
   release_sync_token.SetVerifyFlush();
 
   gpu::SyncToken called_sync_token;