cc: Allow the main thread to cancel commits

cc/layers/layer_unittest.cc

Index: cc/layers/layer_unittest.cc
diff --git a/cc/layers/layer_unittest.cc b/cc/layers/layer_unittest.cc
index fb3a75287c99f3e9a7b15978257221b29eeaf78c..b7fa16646b1634c481ca62d4cebc13822aef2e05 100644
--- a/cc/layers/layer_unittest.cc
+++ b/cc/layers/layer_unittest.cc
@@ -44,6 +44,7 @@ class MockLayerTreeHost : public LayerTreeHost {
   }
 
   MOCK_METHOD0(SetNeedsCommit, void());
+  MOCK_METHOD0(SetNeedsUpdateLayers, void());
   MOCK_METHOD0(SetNeedsFullTreeSync, void());
 };
 
@@ -446,7 +447,7 @@ TEST_F(LayerTest, GetRootLayerAfterTreeManipulations) {
 TEST_F(LayerTest, CheckSetNeedsDisplayCausesCorrectBehavior) {
   // The semantics for SetNeedsDisplay which are tested here:
   //   1. sets NeedsDisplay flag appropriately.
-  //   2. indirectly calls SetNeedsCommit, exactly once for each call to
+  //   2. indirectly calls SetNeedsUpdate, exactly once for each call to
   //      SetNeedsDisplay.
 
   scoped_refptr<Layer> test_layer = Layer::Create();
@@ -476,7 +477,7 @@ TEST_F(LayerTest, CheckSetNeedsDisplayCausesCorrectBehavior) {
   // Case 1: Layer should accept dirty rects that go beyond its bounds.
   test_layer->ResetNeedsDisplayForTesting();
   EXPECT_FALSE(test_layer->NeedsDisplayForTesting());
-  EXPECT_SET_NEEDS_COMMIT(
+  EXPECT_SET_NEEDS_UPDATE(
       1, test_layer->SetNeedsDisplayRect(out_of_bounds_dirty_rect));
   EXPECT_TRUE(test_layer->NeedsDisplayForTesting());
   test_layer->ResetNeedsDisplayForTesting();
@@ -484,7 +485,7 @@ TEST_F(LayerTest, CheckSetNeedsDisplayCausesCorrectBehavior) {
   // Case 2: SetNeedsDisplay() without the dirty rect arg.
   test_layer->ResetNeedsDisplayForTesting();
   EXPECT_FALSE(test_layer->NeedsDisplayForTesting());
-  EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetNeedsDisplay());
+  EXPECT_SET_NEEDS_UPDATE(1, test_layer->SetNeedsDisplay());
   EXPECT_TRUE(test_layer->NeedsDisplayForTesting());
   test_layer->ResetNeedsDisplayForTesting();
 
@@ -492,7 +493,7 @@ TEST_F(LayerTest, CheckSetNeedsDisplayCausesCorrectBehavior) {
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetIsDrawable(false));
   test_layer->ResetNeedsDisplayForTesting();
   EXPECT_FALSE(test_layer->NeedsDisplayForTesting());
-  EXPECT_SET_NEEDS_COMMIT(0, test_layer->SetNeedsDisplayRect(dirty1));
+  EXPECT_SET_NEEDS_UPDATE(0, test_layer->SetNeedsDisplayRect(dirty1));
   EXPECT_TRUE(test_layer->NeedsDisplayForTesting());
 }