Reland "Shouldn't access LayerTreeTest::layer_tree_host on impl thread"

cc/trees/layer_tree_host_unittest.cc

 // Copyright 2011 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 <algorithm>
 
 #include "base/synchronization/lock.h"
 #include "cc/animation/timing_function.h"
@@ skipping 2132 matching lines @@
 
 class LayerTreeHostTestShutdownWithOnlySomeResourcesEvicted
     : public LayerTreeHostTest {
  public:
   LayerTreeHostTestShutdownWithOnlySomeResourcesEvicted()
       : root_layer_(FakeContentLayer::Create(&client_)),
         child_layer1_(FakeContentLayer::Create(&client_)),
         child_layer2_(FakeContentLayer::Create(&client_)),
         num_commits_(0) {}
 
+  virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
+    settings->impl_side_painting = false;
+  }
+
   virtual void BeginTest() OVERRIDE {
     layer_tree_host()->SetViewportSize(gfx::Size(100, 100));
     root_layer_->SetBounds(gfx::Size(100, 100));
     child_layer1_->SetBounds(gfx::Size(100, 100));
     child_layer2_->SetBounds(gfx::Size(100, 100));
     root_layer_->AddChild(child_layer1_);
     root_layer_->AddChild(child_layer2_);
     layer_tree_host()->SetRootLayer(root_layer_);
     PostSetNeedsCommitToMainThread();
   }
@@ skipping 787 matching lines @@
  private:
   FakeContentLayerClient client_;
   scoped_refptr<FakePictureLayer> layer_;
   bool initialized_gl_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestDeferredInitialize);
 
 }  // namespace
 }  // namespace cc