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 7041a447f8e187f1403bc71c4821ba66211d28d3..8edec08de47a17680f5a2dcc1c78c0eec81d5335 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(