cc: Move gpu rasterization flag from tree-impl to tree-host-impl.

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/auto_reset.h"
 #include "base/synchronization/lock.h"
@@ skipping 4678 matching lines @@
 
     // Setting gpu rasterization trigger does not enable gpu rasterization.
     layer_tree_host()->set_has_gpu_rasterization_trigger(true);
     EXPECT_TRUE(layer_tree_host()->has_gpu_rasterization_trigger());
     EXPECT_FALSE(layer_tree_host()->UseGpuRasterization());
 
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
-    LayerImpl* root = host_impl->pending_tree()->root_layer();
-    PictureLayerImpl* layer_impl =
-        static_cast<PictureLayerImpl*>(root->children()[0]);
-
-    EXPECT_FALSE(layer_impl->use_gpu_rasterization());
+    EXPECT_FALSE(host_impl->pending_tree()->use_gpu_rasterization());
+    EXPECT_FALSE(host_impl->use_gpu_rasterization());
   }
 
   virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
-    LayerImpl* root = host_impl->active_tree()->root_layer();
-    PictureLayerImpl* layer_impl =
-        static_cast<PictureLayerImpl*>(root->children()[0]);
-
-    EXPECT_FALSE(layer_impl->use_gpu_rasterization());
+    EXPECT_FALSE(host_impl->active_tree()->use_gpu_rasterization());
+    EXPECT_FALSE(host_impl->use_gpu_rasterization());
     EndTest();
   }
 
   virtual void AfterTest() OVERRIDE {}
 
   FakeContentLayerClient layer_client_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestGpuRasterizationDefault);
 
@@ skipping 38 matching lines @@
     EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
     // Veto will take effect when layers are updated.
     // The results will be verified after commit is completed below.
     // Since we are manually marking picture pile as unsuitable,
     // make sure that the layer gets a chance to update.
     layer->SetNeedsDisplay();
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
-    LayerImpl* root = host_impl->pending_tree()->root_layer();
-    PictureLayerImpl* layer_impl =
-        static_cast<PictureLayerImpl*>(root->children()[0]);
-
-    EXPECT_FALSE(layer_impl->use_gpu_rasterization());
+    EXPECT_FALSE(host_impl->pending_tree()->use_gpu_rasterization());
+    EXPECT_FALSE(host_impl->use_gpu_rasterization());
   }
 
   virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
-    LayerImpl* root = host_impl->active_tree()->root_layer();
-    PictureLayerImpl* layer_impl =
-        static_cast<PictureLayerImpl*>(root->children()[0]);
-
-    EXPECT_FALSE(layer_impl->use_gpu_rasterization());
+    EXPECT_FALSE(host_impl->active_tree()->use_gpu_rasterization());
+    EXPECT_FALSE(host_impl->use_gpu_rasterization());
     EndTest();
   }
 
   virtual void AfterTest() OVERRIDE {}
 
   FakeContentLayerClient layer_client_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestGpuRasterizationEnabled);
 
@@ skipping 38 matching lines @@
     EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
     // Veto will take effect when layers are updated.
     // The results will be verified after commit is completed below.
     // Since we are manually marking picture pile as unsuitable,
     // make sure that the layer gets a chance to update.
     layer->SetNeedsDisplay();
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
-    LayerImpl* root = host_impl->pending_tree()->root_layer();
-    PictureLayerImpl* layer_impl =
-        static_cast<PictureLayerImpl*>(root->children()[0]);
-
-    EXPECT_TRUE(layer_impl->use_gpu_rasterization());
+    EXPECT_TRUE(host_impl->pending_tree()->use_gpu_rasterization());
+    EXPECT_TRUE(host_impl->use_gpu_rasterization());
   }
 
   virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
-    LayerImpl* root = host_impl->active_tree()->root_layer();
-    PictureLayerImpl* layer_impl =
-        static_cast<PictureLayerImpl*>(root->children()[0]);
-
-    EXPECT_TRUE(layer_impl->use_gpu_rasterization());
+    EXPECT_TRUE(host_impl->active_tree()->use_gpu_rasterization());
+    EXPECT_TRUE(host_impl->use_gpu_rasterization());
     EndTest();
   }
 
   virtual void AfterTest() OVERRIDE {}
 
   FakeContentLayerClient layer_client_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestGpuRasterizationForced);
 
@@ skipping 70 matching lines @@
   const gfx::Size bounds_;
   FakeContentLayerClient client_;
   scoped_refptr<ContentLayerWithUpdateTracking> content_layer_;
   scoped_refptr<FakePictureLayer> picture_layer_;
   Layer* child_layer_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestContinuousPainting);
 
 }  // namespace cc