cc: Remove CC*.h temporary includes, part 4/4.

cc/layer_tree_host.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 CCLayerTreeHost_h
 #define CCLayerTreeHost_h
 
+#include <limits>
+
 #include "CCAnimationEvents.h"
 #include "CCGraphicsContext.h"
 #include "CCLayerTreeHostClient.h"
 #include "CCLayerTreeHostCommon.h"
-#include "CCOcclusionTracker.h"
-#include "CCPrioritizedTextureManager.h"
-#include "CCProxy.h"
 #include "IntRect.h"
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "cc/occlusion_tracker.h"
+#include "cc/prioritized_texture_manager.h"
+#include "cc/proxy.h"
 #include "cc/rate_limiter.h"
 #include "cc/rendering_stats.h"
 #include "cc/scoped_ptr_vector.h"
 #include "third_party/skia/include/core/SkColor.h"
-#include <limits>
 
 #if defined(COMPILER_GCC)
 namespace BASE_HASH_NAMESPACE {
 template<>
 struct hash<WebKit::WebGraphicsContext3D*> {
   size_t operator()(WebKit::WebGraphicsContext3D* ptr) const {
     return hash<size_t>()(reinterpret_cast<size_t>(ptr));
   }
 };
 } // namespace BASE_HASH_NAMESPACE
@@ skipping 237 matching lines @@
     size_t m_partialTextureUpdateRequests;
 
     static bool s_needsFilterContext;
 
     DISALLOW_COPY_AND_ASSIGN(CCLayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif