Implement shareResources==true in TestWebGraphicsContext3D

cc/layers/picture_layer_impl_unittest.cc

 // Copyright 2013 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/layers/picture_layer_impl.h"
 
 #include <utility>
 
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/picture_layer.h"
@@ skipping 784 matching lines @@
             host_impl_.settings().default_tile_size.ToString());
 
   Tile* tile = pending_layer_->tilings()->tiling_at(0)->AllTilesForTesting()[0];
   EXPECT_EQ(gfx::Size(256, 256).ToString(),
             tile->content_rect().size().ToString());
 
   pending_layer_->DidLoseOutputSurface();
 
   // Change the max texture size on the output surface context.
   scoped_ptr<TestWebGraphicsContext3D> context =
-      TestWebGraphicsContext3D::Create();
+      TestWebGraphicsContext3D::CreateShared();
   context->set_max_texture_size(140);
   host_impl_.InitializeRenderer(FakeOutputSurface::Create3d(
       context.PassAs<WebKit::WebGraphicsContext3D>()).PassAs<OutputSurface>());
 
   pending_layer_->CalculateContentsScale(
       1.f, 1.f, 1.f, false, &result_scale_x, &result_scale_y, &result_bounds);
   ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
 
   pending_layer_->tilings()->tiling_at(0)->CreateAllTilesForTesting();
 
@@ skipping 30 matching lines @@
             host_impl_.settings().max_untiled_layer_size.ToString());
 
   // There should be a single tile since the layer is small.
   PictureLayerTiling* high_res_tiling = pending_layer_->tilings()->tiling_at(0);
   EXPECT_EQ(1u, high_res_tiling->AllTilesForTesting().size());
 
   pending_layer_->DidLoseOutputSurface();
 
   // Change the max texture size on the output surface context.
   scoped_ptr<TestWebGraphicsContext3D> context =
-      TestWebGraphicsContext3D::Create();
+      TestWebGraphicsContext3D::CreateShared();
   context->set_max_texture_size(140);
   host_impl_.InitializeRenderer(FakeOutputSurface::Create3d(
       context.PassAs<WebKit::WebGraphicsContext3D>()).PassAs<OutputSurface>());
 
   pending_layer_->CalculateContentsScale(
       1.f, 1.f, 1.f, false, &result_scale_x, &result_scale_y, &result_bounds);
   ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
 
   pending_layer_->tilings()->tiling_at(0)->CreateAllTilesForTesting();
 
@@ skipping 118 matching lines @@
       num_offscreen++;
     }
   }
 
   EXPECT_GT(num_visible, 0);
   EXPECT_GT(num_offscreen, 0);
 }
 
 }  // namespace
 }  // namespace cc