cc: Release main thread earlier

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 d01fbae1778d0fa4868c59028916ac7c31c1dd4d..29064f351480df934f94a2f8461627c8e08c0c9d 100644
--- a/cc/trees/layer_tree_host_unittest.cc
+++ b/cc/trees/layer_tree_host_unittest.cc
@@ -3116,7 +3116,7 @@ MULTI_THREAD_TEST_F(LayerTreeHostTestDeferredInitialize);
 // Test for UI Resource management.
 class LayerTreeHostTestUIResource : public LayerTreeHostTest {
  public:
-  LayerTreeHostTestUIResource() : num_ui_resources_(0), num_commits_(0) {}
+  LayerTreeHostTestUIResource() : num_ui_resources_(0) {}
 
   virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
     settings->texture_id_allocation_chunk_size = 1;
@@ -3125,7 +3125,7 @@ class LayerTreeHostTestUIResource : public LayerTreeHostTest {
   virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
 
   virtual void DidCommit() OVERRIDE {
-    int frame = num_commits_;
+    int frame = layer_tree_host()->source_frame_number();
     switch (frame) {
       case 1:
         CreateResource();
@@ -3160,25 +3160,25 @@ class LayerTreeHostTestUIResource : public LayerTreeHostTest {
     TestWebGraphicsContext3D* context = static_cast<TestContextProvider*>(
         impl->output_surface()->context_provider().get())->TestContext3d();
 
-    int frame = num_commits_;
+    int frame = impl->active_tree()->source_frame_number();
     switch (frame) {
-      case 1:
+      case 0:
         ASSERT_EQ(0u, context->NumTextures());
         break;
-      case 2:
+      case 1:
         // Created two textures.
         ASSERT_EQ(2u, context->NumTextures());
         break;
-      case 3:
+      case 2:
         // One texture left after one deletion.
         ASSERT_EQ(1u, context->NumTextures());
         break;
-      case 4:
+      case 3:
         // Resource manager state should not change when delete is called on an
         // invalid id.
         ASSERT_EQ(1u, context->NumTextures());
         break;
-      case 5:
+      case 4:
         // Creation after deletion: two more creates should total up to
         // three textures.
         ASSERT_EQ(3u, context->NumTextures());
@@ -3187,7 +3187,6 @@ class LayerTreeHostTestUIResource : public LayerTreeHostTest {
   }
 
   virtual void CommitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE {
-    ++num_commits_;
     if (!layer_tree_host()->settings().impl_side_painting)
       PerformTest(impl);
   }
@@ -3213,7 +3212,6 @@ class LayerTreeHostTestUIResource : public LayerTreeHostTest {
 
   scoped_ptr<FakeScopedUIResource> ui_resources_[5];
   int num_ui_resources_;
-  int num_commits_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestUIResource);