Make disable vsync run the renderer independently

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 b62f4eec880ed7d71c7f12b3d4b7d963f18b4b68..a45946c4af857de21da68c6158fc96e89303808b 100644
--- a/cc/trees/layer_tree_host_unittest.cc
+++ b/cc/trees/layer_tree_host_unittest.cc
@@ -2804,8 +2804,6 @@ class LayerTreeHostTestAbortedCommitDoesntStallDisabledVsync
     : public LayerTreeHostTestAbortedCommitDoesntStall {
   void InitializeSettings(LayerTreeSettings* settings) override {
     LayerTreeHostTestAbortedCommitDoesntStall::InitializeSettings(settings);
-    settings->wait_for_beginframe_interval = false;

[enne (OOO), 2016/09/08 22:19:52]

This is not relevant here, so just removed.

-    settings->renderer_settings.disable_display_vsync = true;
   }
 };
 
@@ -5229,8 +5227,6 @@ class LayerTreeHostTestGpuRasterizationReenabled : public LayerTreeHostTest {
   void InitializeSettings(LayerTreeSettings* settings) override {
     EXPECT_FALSE(settings->gpu_rasterization_enabled);
     settings->gpu_rasterization_enabled = true;
-    settings->wait_for_beginframe_interval = false;
-    settings->renderer_settings.disable_display_vsync = true;
   }
 
   void SetupTree() override {