Implement shareResources==true in TestWebGraphicsContext3D

cc/layers/picture_layer_impl_unittest.cc

Index: cc/layers/picture_layer_impl_unittest.cc
diff --git a/cc/layers/picture_layer_impl_unittest.cc b/cc/layers/picture_layer_impl_unittest.cc
index 855fa56328159a9fcc6a37a5fd978cbe81da14cd..8d2eda140e2a5c116d09a17f0ff8b50980365757 100644
--- a/cc/layers/picture_layer_impl_unittest.cc
+++ b/cc/layers/picture_layer_impl_unittest.cc
@@ -802,7 +802,7 @@ TEST_F(PictureLayerImplTest, ClampTilesToToMaxTileSize) {
 
   // 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>());
@@ -853,7 +853,7 @@ TEST_F(PictureLayerImplTest, ClampSingleTileToToMaxTileSize) {
 
   // 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>());