Revert of cc: Make scheduling be driven by vsync for android webview.

cc/trees/layer_tree_host_unittest.cc

Index: cc/trees/layer_tree_host_unittest.cc
diff --git a/cc/trees/layer_tree_host_unittest.cc b/cc/trees/layer_tree_host_unittest.cc
index 00f4f9aa68dd1d46012a5698aeda07456d3ae923..c2f34174130e6f487716f14872a3764e97f0615b 100644
--- a/cc/trees/layer_tree_host_unittest.cc
+++ b/cc/trees/layer_tree_host_unittest.cc
@@ -2707,25 +2707,9 @@
 
 class LayerTreeHostTestAbortedCommitDoesntStallSynchronousCompositor
     : public LayerTreeHostTestAbortedCommitDoesntStall {
- protected:
   void InitializeSettings(LayerTreeSettings* settings) override {
     LayerTreeHostTestAbortedCommitDoesntStall::InitializeSettings(settings);
     settings->using_synchronous_renderer_compositor = true;
-  }
-
-  void ScheduledActionInvalidateOutputSurface() override {
-    ImplThreadTaskRunner()->PostTask(
-        FROM_HERE,
-        base::Bind(
-            &LayerTreeHostTestAbortedCommitDoesntStallSynchronousCompositor::
-                CallOnDraw,
-            base::Unretained(this)));
-  }
-
-  void CallOnDraw() {
-    // Synchronous compositor does not draw unless told to do so by the output
-    // surface.
-    output_surface()->client()->OnDraw();
   }
 };