cc: Use correct message loop proxy in BlockingTaskRunner

cc/test/pixel_test.cc

Index: cc/test/pixel_test.cc
diff --git a/cc/test/pixel_test.cc b/cc/test/pixel_test.cc
index d7d3c15e9ff9fdac5aec6ce9f2fd1ba360703ec2..94e2d7df3db04ae49fc5140248b6355d13de25af 100644
--- a/cc/test/pixel_test.cc
+++ b/cc/test/pixel_test.cc
@@ -33,8 +33,10 @@ namespace cc {
 PixelTest::PixelTest()
     : device_viewport_size_(gfx::Size(200, 200)),
       disable_picture_quad_image_filtering_(false),
-      output_surface_client_(new FakeOutputSurfaceClient) {}
-
+      output_surface_client_(new FakeOutputSurfaceClient),
+      main_thread_task_runner_(
+          BlockingTaskRunner::Create(base::MessageLoopProxy::current())) {
+}
 PixelTest::~PixelTest() {}
 
 bool PixelTest::RunPixelTest(RenderPassList* pass_list,
@@ -112,8 +114,13 @@ void PixelTest::SetUpGLRenderer(bool use_skia_gpu_backend) {
   output_surface_->BindToClient(output_surface_client_.get());
 
   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(),
+                                                main_thread_task_runner_,
+                                                0,
+                                                false,
+                                                1,
+                                                false);
 
   texture_mailbox_deleter_ = make_scoped_ptr(
       new TextureMailboxDeleter(base::MessageLoopProxy::current()));
@@ -154,8 +161,13 @@ void PixelTest::SetUpSoftwareRenderer() {
   output_surface_.reset(new PixelTestOutputSurface(device.Pass()));
   output_surface_->BindToClient(output_surface_client_.get());
   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(),
+                                                main_thread_task_runner_,
+                                                0,
+                                                false,
+                                                1,
+                                                false);
   renderer_ =
       SoftwareRenderer::Create(
           this, &settings_, output_surface_.get(), resource_provider_.get())