cc: Plumbing for impl thread micro benchmarks

cc/debug/micro_benchmark_controller_unittest.cc

Index: cc/debug/micro_benchmark_controller_unittest.cc
diff --git a/cc/debug/micro_benchmark_controller_unittest.cc b/cc/debug/micro_benchmark_controller_unittest.cc
index e1d8d1e2da1ef4b8378624176fc60c8e3d609722..4894947a6da493a6875eaba09fef121b538ec263 100644
--- a/cc/debug/micro_benchmark_controller_unittest.cc
+++ b/cc/debug/micro_benchmark_controller_unittest.cc
@@ -9,6 +9,7 @@
 #include "cc/layers/layer.h"
 #include "cc/resources/resource_update_queue.h"
 #include "cc/test/fake_layer_tree_host.h"
+#include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/fake_proxy.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -17,14 +18,25 @@ namespace {
 
 class MicroBenchmarkControllerTest : public testing::Test {
  public:
-  virtual void SetUp() {
+  virtual void SetUp() OVERRIDE {
+    impl_proxy_ = make_scoped_ptr(new FakeImplProxy);
+    layer_tree_host_impl_ =
+        make_scoped_ptr(new FakeLayerTreeHostImpl(impl_proxy_.get()));
+
     layer_tree_host_ = FakeLayerTreeHost::Create();
     layer_tree_host_->SetRootLayer(Layer::Create());
-    layer_tree_host_->InitializeForTesting(
-      scoped_ptr<Proxy>(new FakeProxy));
+    layer_tree_host_->InitializeForTesting(scoped_ptr<Proxy>(new FakeProxy));
+  }
+
+  virtual void TearDown() OVERRIDE {
+    layer_tree_host_impl_.reset();
+    layer_tree_host_.reset();
+    impl_proxy_.reset();
   }
 
   scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
+  scoped_ptr<FakeLayerTreeHostImpl> layer_tree_host_impl_;
+  scoped_ptr<FakeImplProxy> impl_proxy_;
 };
 
 void Noop(scoped_ptr<base::Value> value) {
@@ -100,5 +112,30 @@ TEST_F(MicroBenchmarkControllerTest, MultipleBenchmarkRan) {
   EXPECT_EQ(4, run_count);
 }
 
+TEST_F(MicroBenchmarkControllerTest, BenchmarkImplRan) {
+  int run_count = 0;
+  scoped_ptr<base::DictionaryValue> settings(new base::DictionaryValue);
+  settings->SetBoolean("run_benchmark_impl", true);
+
+  // Schedule a main thread benchmark.
+  bool result = layer_tree_host_->ScheduleMicroBenchmark(
+      "unittest_only_benchmark",
+      settings.PassAs<base::Value>(),
+      base::Bind(&IncrementCallCount, base::Unretained(&run_count)));
+  EXPECT_TRUE(result);
+
+  // Schedule impl benchmarks. In production code, this is run in commit.
+  layer_tree_host_->GetMicroBenchmarkController()->ScheduleImplBenchmarks(
+      layer_tree_host_impl_.get());
+
+  // Now complete the commit (as if on the impl thread).
+  layer_tree_host_impl_->CommitComplete();
+
+  // Make sure all posted messages run.
+  base::MessageLoop::current()->RunUntilIdle();
+
+  EXPECT_EQ(1, run_count);
+}
+
 }  // namespace
 }  // namespace cc