Re-land: cc: Implement shared worker contexts.

cc/trees/layer_tree_impl_unittest.cc

 // Copyright 2014 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_impl.h"
 
 #include "cc/layers/heads_up_display_layer_impl.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/solid_color_scrollbar_layer_impl.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/test/layer_tree_host_common_test.h"
 #include "cc/test/test_shared_bitmap_manager.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "ui/gfx/geometry/size_conversions.h"
 
 namespace cc {
 namespace {
 
 class LayerTreeImplTest : public LayerTreeHostCommonTest {
  public:
-  LayerTreeImplTest() {
+  LayerTreeImplTest() : output_surface_(FakeOutputSurface::Create3d()) {
     LayerTreeSettings settings;
     settings.layer_transforms_should_scale_layer_contents = true;
     host_impl_.reset(new FakeLayerTreeHostImpl(
         settings, &proxy_, &shared_bitmap_manager_, &task_graph_runner_));
-    EXPECT_TRUE(host_impl_->InitializeRenderer(FakeOutputSurface::Create3d()));
+    EXPECT_TRUE(host_impl_->InitializeRenderer(output_surface_.get()));
   }
 
   FakeLayerTreeHostImpl& host_impl() { return *host_impl_; }
 
   LayerImpl* root_layer() { return host_impl_->active_tree()->root_layer(); }
 
   const LayerImplList& RenderSurfaceLayerList() const {
     return host_impl_->active_tree()->RenderSurfaceLayerList();
   }
 
  private:
   TestSharedBitmapManager shared_bitmap_manager_;
   TestTaskGraphRunner task_graph_runner_;
   FakeImplProxy proxy_;
+  scoped_ptr<OutputSurface> output_surface_;
   scoped_ptr<FakeLayerTreeHostImpl> host_impl_;
 };
 
 TEST_F(LayerTreeImplTest, HitTestingForSingleLayer) {
   scoped_ptr<LayerImpl> root =
       LayerImpl::Create(host_impl().active_tree(), 12345);
 
   gfx::Transform identity_matrix;
   gfx::Point3F transform_origin;
   gfx::PointF position;
@@ skipping 35 matching lines @@
   EXPECT_EQ(12345, result_layer->id());
 }
 
 TEST_F(LayerTreeImplTest, UpdateViewportAndHitTest) {
   // Ensures that the viewport rect is correctly updated by the clip tree.
   TestSharedBitmapManager shared_bitmap_manager;
   TestTaskGraphRunner task_graph_runner;
   FakeImplProxy proxy;
   LayerTreeSettings settings;
   settings.verify_property_trees = true;
+  scoped_ptr<OutputSurface> output_surface = FakeOutputSurface::Create3d();
   scoped_ptr<FakeLayerTreeHostImpl> host_impl;
   host_impl.reset(new FakeLayerTreeHostImpl(
       settings, &proxy, &shared_bitmap_manager, &task_graph_runner));
-  EXPECT_TRUE(host_impl->InitializeRenderer(FakeOutputSurface::Create3d()));
+  EXPECT_TRUE(host_impl->InitializeRenderer(output_surface.get()));
   scoped_ptr<LayerImpl> root =
       LayerImpl::Create(host_impl->active_tree(), 12345);
 
   gfx::Transform identity_matrix;
   gfx::Point3F transform_origin;
   gfx::PointF position;
   gfx::Size bounds(100, 100);
   SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin,
                                position, bounds, true, false, true);
   root->SetDrawsContent(true);
@@ skipping 1964 matching lines @@
   EXPECT_EQ(0u, host_impl().active_tree()->NumLayers());
   scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl().active_tree(), 1);
   root->AddChild(LayerImpl::Create(host_impl().active_tree(), 2));
   root->AddChild(LayerImpl::Create(host_impl().active_tree(), 3));
   root->child_at(1)->AddChild(LayerImpl::Create(host_impl().active_tree(), 4));
   EXPECT_EQ(4u, host_impl().active_tree()->NumLayers());
 }
 
 }  // namespace
 }  // namespace cc