Implement shareResources==true in TestWebGraphicsContext3D

cc/layers/scrollbar_layer_unittest.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/layers/scrollbar_layer.h"
 
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/scrollbar_layer_impl.h"
 #include "cc/quads/solid_color_draw_quad.h"
@@ skipping 363 matching lines @@
   virtual void AfterTest() OVERRIDE {}
 
  private:
   scoped_refptr<ScrollbarLayer> scrollbar_layer_;
   scoped_refptr<Layer> scroll_layer_;
   gfx::Size bounds_;
 };
 
 TEST_F(ScrollbarLayerTestMaxTextureSize, DirectRenderer) {
   scoped_ptr<TestWebGraphicsContext3D> context =
-      TestWebGraphicsContext3D::Create();
+      TestWebGraphicsContext3D::CreateShared();
   int max_size = 0;
   context->getIntegerv(GL_MAX_TEXTURE_SIZE, &max_size);
   SetScrollbarBounds(gfx::Size(max_size + 100, max_size + 100));
   RunTest(true, false, true);
 }
 
 TEST_F(ScrollbarLayerTestMaxTextureSize, DelegatingRenderer) {
   scoped_ptr<TestWebGraphicsContext3D> context =
-      TestWebGraphicsContext3D::Create();
+      TestWebGraphicsContext3D::CreateShared();
   int max_size = 0;
   context->getIntegerv(GL_MAX_TEXTURE_SIZE, &max_size);
   SetScrollbarBounds(gfx::Size(max_size + 100, max_size + 100));
   RunTest(true, true, true);
 }
 
 class MockLayerTreeHost : public LayerTreeHost {
  public:
   MockLayerTreeHost(LayerTreeHostClient* client,
                     const LayerTreeSettings& settings)
@@ skipping 154 matching lines @@
 
 TEST_F(ScaledScrollbarLayerTestResourceCreation, ScaledResourceUpload) {
   layer_tree_settings_.solid_color_scrollbars = false;
   // Pick a test scale that moves the scrollbar's (non-zero) position to
   // a non-pixel-aligned location.
   TestResourceUpload(2, 1.41f);
 }
 
 }  // namespace
 }  // namespace cc