CC pixel tests for blending with GL_EXT_blend_minmax

cc/test/layer_tree_pixel_test.cc

Index: cc/test/layer_tree_pixel_test.cc
diff --git a/cc/test/layer_tree_pixel_test.cc b/cc/test/layer_tree_pixel_test.cc
index 31d30a4b676ffa627c501a922a00f0d735234818..ef8cc62e296b6d599d06cddf827271dfed02ea42 100644
--- a/cc/test/layer_tree_pixel_test.cc
+++ b/cc/test/layer_tree_pixel_test.cc
@@ -52,7 +52,7 @@ scoped_ptr<OutputSurface> LayerTreePixelTest::CreateOutputSurface(
     }
     case PIXEL_TEST_GL: {
       output_surface = make_scoped_ptr(
-          new PixelTestOutputSurface(new TestInProcessContextProvider));
+          new PixelTestOutputSurface(CreteTestContextProvider()));
       break;
     }
   }
@@ -83,6 +83,10 @@ void LayerTreePixelTest::CommitCompleteOnThread(LayerTreeHostImpl* impl) {
   EXPECT_EQ(viewport.ToString(), impl->DeviceViewport().ToString());
 }
 
+scoped_refptr<ContextProvider> LayerTreePixelTest::CreteTestContextProvider() {
+  return new TestInProcessContextProvider();
+}
+
 scoped_ptr<CopyOutputRequest> LayerTreePixelTest::CreateCopyOutputRequest() {
   return CopyOutputRequest::CreateBitmapRequest(
       base::Bind(&LayerTreePixelTest::ReadbackResult, base::Unretained(this)));