Revert of cc: Implement shared worker contexts.

cc/test/layer_test_common.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/test/layer_test_common.h"
 
 #include "cc/base/math_util.h"
 #include "cc/base/region.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/quads/draw_quad.h"
@@ skipping 98 matching lines @@
     }
   }
 }
 
 LayerTestCommon::LayerImplTest::LayerImplTest()
     : LayerImplTest(LayerTreeSettings()) {
 }
 
 LayerTestCommon::LayerImplTest::LayerImplTest(const LayerTreeSettings& settings)
     : client_(FakeLayerTreeHostClient::DIRECT_3D),
-      output_surface_(FakeOutputSurface::Create3d()),
       host_(FakeLayerTreeHost::Create(&client_, &task_graph_runner_, settings)),
       root_layer_impl_(LayerImpl::Create(host_->host_impl()->active_tree(), 1)),
       render_pass_(RenderPass::Create()),
       layer_impl_id_(2) {
   root_layer_impl_->SetHasRenderSurface(true);
-  host_->host_impl()->InitializeRenderer(output_surface_.get());
+  scoped_ptr<FakeOutputSurface> output_surface = FakeOutputSurface::Create3d();
+  host_->host_impl()->InitializeRenderer(FakeOutputSurface::Create3d());
 }
 
 LayerTestCommon::LayerImplTest::~LayerImplTest() {}
 
 void LayerTestCommon::LayerImplTest::CalcDrawProps(
     const gfx::Size& viewport_size) {
   LayerImplList layer_list;
   LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
       root_layer_impl_.get(), viewport_size, &layer_list);
   LayerTreeHostCommon::CalculateDrawProperties(&inputs);
@@ skipping 45 matching lines @@
   render_pass_->shared_quad_state_list.clear();
 
   surface_impl->AppendQuads(
       render_pass_.get(), gfx::Transform(),
       Occlusion(gfx::Transform(), SimpleEnclosedRegion(occluded),
                 SimpleEnclosedRegion()),
       SK_ColorBLACK, 1.f, nullptr, &data, RenderPassId(1, 1));
 }
 
 }  // namespace cc