Revert of Converted video frame and image callbacks to use new sync tokens.

media/renderers/skcanvas_video_renderer.cc

Index: media/renderers/skcanvas_video_renderer.cc
diff --git a/media/renderers/skcanvas_video_renderer.cc b/media/renderers/skcanvas_video_renderer.cc
index d2f25d639e32f2d07e170b08715c8e82afa78b24..675839b88d7cddb4a91a9b67cef00d2c27d9849d 100644
--- a/media/renderers/skcanvas_video_renderer.cc
+++ b/media/renderers/skcanvas_video_renderer.cc
@@ -63,11 +63,7 @@
  public:
   explicit SyncTokenClientImpl(gpu::gles2::GLES2Interface* gl) : gl_(gl) {}
   ~SyncTokenClientImpl() override {}
-  void GenerateSyncToken(gpu::SyncToken* sync_token) override {
-    const uint64_t fence_sync = gl_->InsertFenceSyncCHROMIUM();
-    gl_->ShallowFlushCHROMIUM();
-    gl_->GenSyncTokenCHROMIUM(fence_sync, sync_token->GetData());
-  }
+  uint32 InsertSyncPoint() override { return gl_->InsertSyncPointCHROMIUM(); }
   void WaitSyncToken(const gpu::SyncToken& sync_token) override {
     gl_->WaitSyncTokenCHROMIUM(sync_token.GetConstData());
   }