cc: Use correct message loop proxy in BlockingTaskRunner

cc/resources/prioritized_resource_unittest.cc

Index: cc/resources/prioritized_resource_unittest.cc
diff --git a/cc/resources/prioritized_resource_unittest.cc b/cc/resources/prioritized_resource_unittest.cc
index 14eb317461c44bb7f418685677b5e11fb4009527..68d81a2ac2e51157a6cb3d94cf4d52a673776fb3 100644
--- a/cc/resources/prioritized_resource_unittest.cc
+++ b/cc/resources/prioritized_resource_unittest.cc
@@ -28,9 +28,13 @@ class PrioritizedResourceTest : public testing::Test {
     DebugScopedSetImplThread impl_thread(&proxy_);
     CHECK(output_surface_->BindToClient(&output_surface_client_));
     shared_bitmap_manager_.reset(new TestSharedBitmapManager());
-    resource_provider_ = ResourceProvider::Create(
-        output_surface_.get(), shared_bitmap_manager_.get(), 0, false, 1,
-        false);
+    resource_provider_ = ResourceProvider::Create(output_surface_.get(),
+                                                  shared_bitmap_manager_.get(),
+                                                  NULL,
+                                                  0,
+                                                  false,
+                                                  1,
+                                                  false);
   }
 
   virtual ~PrioritizedResourceTest() {