cc: Cleanup class/struct forward declarations

cc/test/layer_tree_test.h

 // Copyright 2011 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_LAYER_TREE_TEST_H_
 #define CC_TEST_LAYER_TREE_TEST_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "cc/animation/animation_delegate.h"
 #include "cc/test/test_gpu_memory_buffer_manager.h"
 #include "cc/test/test_hooks.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/trees/compositor_mode.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "cc/trees/layer_tree_host_in_process.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 
 class AnimationHost;
 class AnimationPlayer;
-class FakeLayerTreeHostClient;
 class LayerImpl;
 class LayerTreeHost;
 class LayerTreeHostForTesting;
-class LayerTreeHostClient;
-class LayerTreeHostImpl;
 class LayerTreeTestCompositorFrameSinkClient;
 class Proxy;
-class ProxyImpl;
-class ProxyMain;
 class TestContextProvider;
 class TestCompositorFrameSink;
 class TestTaskGraphRunner;
-class TestWebGraphicsContext3D;
 
 // Creates the virtual viewport layer hierarchy under the given root_layer.
 // Convenient overload of the method below that creates a scrolling layer as
 // the outer viewport scroll layer.
 void CreateVirtualViewportLayers(Layer* root_layer,
                                  const gfx::Size& inner_bounds,
                                  const gfx::Size& outer_bounds,
                                  const gfx::Size& scroll_bounds,
                                  LayerTreeHost* host);
 
 // Creates the virtual viewport layer hierarchy under the given root_layer.
 // Uses the given scroll layer as the content "outer viewport scroll layer".
 void CreateVirtualViewportLayers(Layer* root_layer,
                                  scoped_refptr<Layer> outer_scroll_layer,
                                  const gfx::Size& outer_bounds,
                                  const gfx::Size& scroll_bounds,
                                  LayerTreeHost* host);
 
-class BeginTask;
 class LayerTreeHostClientForTesting;
-class TimeoutTask;
 
 // The LayerTreeTests runs with the main loop running. It instantiates a single
 // LayerTreeHostForTesting and associated LayerTreeHostImplForTesting and
 // LayerTreeHostClientForTesting.
 //
 // BeginTest() is called once the main message loop is running and the layer
 // tree host is initialized.
 //
 // Key stages of the drawing loop, e.g. drawing or commiting, redirect to
 // LayerTreeTest methods of similar names. To track the commit process, override
@@ skipping 171 matching lines @@
 #define SINGLE_MULTI_AND_REMOTE_TEST_F(TEST_FIXTURE_NAME) \
   SINGLE_AND_MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME);      \
   REMOTE_TEST_F(TEST_FIXTURE_NAME)
 
 // Some tests want to control when notify ready for activation occurs,
 // but this is not supported in the single-threaded case.
 #define MULTI_THREAD_BLOCKNOTIFY_TEST_F(TEST_FIXTURE_NAME) \
   MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)
 
 #endif  // CC_TEST_LAYER_TREE_TEST_H_