Re-land: cc: Use worker context for one-copy tile initialization.

cc/test/fake_output_surface.h

Index: cc/test/fake_output_surface.h
diff --git a/cc/test/fake_output_surface.h b/cc/test/fake_output_surface.h
index a682177e8ec889b39bdaa082c72f20630845a351..066f0272cf41bfb68da9e4ae8ead898a83864fd9 100644
--- a/cc/test/fake_output_surface.h
+++ b/cc/test/fake_output_surface.h
@@ -60,13 +60,15 @@ class FakeOutputSurface : public OutputSurface {
 
   static scoped_ptr<FakeOutputSurface> CreateDelegating3d(
       scoped_refptr<TestContextProvider> context_provider) {
-    return make_scoped_ptr(new FakeOutputSurface(context_provider, true));
+    return make_scoped_ptr(new FakeOutputSurface(
+        context_provider, TestContextProvider::Create(), true));
   }
 
   static scoped_ptr<FakeOutputSurface> CreateDelegating3d(
       scoped_ptr<TestWebGraphicsContext3D> context) {
-    return make_scoped_ptr(new FakeOutputSurface(
-        TestContextProvider::Create(context.Pass()), true));
+    return make_scoped_ptr(
+        new FakeOutputSurface(TestContextProvider::Create(context.Pass()),
+                              TestContextProvider::Create(), true));
   }
 
   static scoped_ptr<FakeOutputSurface> CreateDelegatingSoftware(