Run all LayerTreeHost tests with a delegating renderer.

cc/trees/layer_tree_host_unittest_animation.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/layer_tree_host.h"
 
 #include "cc/animation/animation_curve.h"
 #include "cc/animation/layer_animation_controller.h"
 #include "cc/animation/timing_function.h"
 #include "cc/layers/layer.h"
@@ skipping 519 matching lines @@
   }
 
   virtual void AfterTest() OVERRIDE {
     EXPECT_EQ(3, animated_commit_);
   }
 
  private:
   int animated_commit_;
 };
 
-MULTI_THREAD_TEST_F(LayerTreeHostAnimationTestCompositeAndReadbackAnimateCount);
+// No readbacks with a delegating renderer.
+MULTI_THREAD_DIRECT_RENDERER_TEST_F(
+    LayerTreeHostAnimationTestCompositeAndReadbackAnimateCount);
 
 class LayerTreeHostAnimationTestContinuousAnimate
     : public LayerTreeHostAnimationTest {
  public:
   LayerTreeHostAnimationTestContinuousAnimate()
       : num_commit_complete_(0),
         num_draw_layers_(0) {
   }
 
   virtual void BeginTest() OVERRIDE {
@@ skipping 270 matching lines @@
   FakeContentLayerClient client_;
   scoped_refptr<FakeContentLayer> root_layer_;
   int started_times_;
   int num_commit_complete_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostAnimationTestPinchZoomScrollbars);
 
 }  // namespace
 }  // namespace cc