Make cc::CompositorFrames movable [Part 1 of 2]

cc/test/surface_hittest_test_helpers.h

Index: cc/test/surface_hittest_test_helpers.h
diff --git a/cc/test/surface_hittest_test_helpers.h b/cc/test/surface_hittest_test_helpers.h
index 46e442d33da8e0e5f1cba67baad21267b6da3876..d1ec980ba5cfa44b456bd6b078885e075d044012 100644
--- a/cc/test/surface_hittest_test_helpers.h
+++ b/cc/test/surface_hittest_test_helpers.h
@@ -58,12 +58,11 @@ void CreateRenderPass(const RenderPassId& render_pass_id,
                       const gfx::Transform& transform_to_root_target,
                       RenderPassList* render_pass_list);
 
-std::unique_ptr<CompositorFrame> CreateCompositorFrameWithRenderPassList(
+CompositorFrame CreateCompositorFrameWithRenderPassList(
     RenderPassList* render_pass_list);
 
-std::unique_ptr<CompositorFrame> CreateCompositorFrame(
-    const gfx::Rect& root_rect,
-    RenderPass** render_pass);
+CompositorFrame CreateCompositorFrame(const gfx::Rect& root_rect,
+                                      RenderPass** render_pass);
 
 class TestSurfaceHittestDelegate : public SurfaceHittestDelegate {
  public: