cc: Cleanup class/struct forward declarations

cc/test/surface_hittest_test_helpers.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TEST_SURFACE_HITTEST_TEST_HELPERS_H_
 #define CC_TEST_SURFACE_HITTEST_TEST_HELPERS_H_
 
 #include <map>
 #include <memory>
 
 #include "base/macros.h"
 #include "cc/quads/render_pass.h"
 #include "cc/surfaces/surface_factory_client.h"
 #include "cc/surfaces/surface_hittest_delegate.h"
 #include "ui/gfx/geometry/insets.h"
 
 namespace gfx {
 class Transform;
 }
 
 namespace cc {
 
 class CompositorFrame;
-class RenderPassDrawQuad;
-class SolidColorDrawQuad;
 
 namespace test {
 
 class EmptySurfaceFactoryClient : public SurfaceFactoryClient {
  public:
   void ReturnResources(const ReturnedResourceArray& resources) override {}
   void SetBeginFrameSource(BeginFrameSource* begin_frame_source) override {}
 };
 
 void CreateSharedQuadState(RenderPass* pass,
@@ skipping 53 matching lines @@
   std::map<SurfaceId, gfx::Insets> insets_for_reject_;
   std::map<SurfaceId, gfx::Insets> insets_for_accept_;
 
   DISALLOW_COPY_AND_ASSIGN(TestSurfaceHittestDelegate);
 };
 
 }  // namespace test
 }  // namespace cc
 
 #endif  // CC_TEST_SURFACE_HITTEST_TEST_HELPERS_H_