Avoid exposing gl bindings through cc public API headers

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 CC_LAYER_TREE_HOST_H_
 #define CC_LAYER_TREE_HOST_H_
 
 #include <limits>
 
 #include "base/basictypes.h"
 #include "base/cancelable_callback.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
 #include "cc/animation_events.h"
 #include "cc/cc_export.h"
 #include "cc/layer_tree_host_client.h"
 #include "cc/layer_tree_host_common.h"
 #include "cc/layer_tree_settings.h"
 #include "cc/occlusion_tracker.h"
 #include "cc/output_surface.h"
-#include "cc/prioritized_resource_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 "ui/gfx/rect.h"
 
 #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
 #endif // COMPILER
 
 namespace cc {
 
 class AnimationRegistrar;
 class Layer;
 class LayerTreeHostImpl;
 class LayerTreeHostImplClient;
 class PrioritizedResourceManager;
+class PrioritizedResource;
+class ResourceProvider;
 class ResourceUpdateQueue;
 class HeadsUpDisplayLayer;
 class Region;
 struct ScrollAndScaleSet;
 
 
 // Provides information on an Impl's rendering capabilities back to the LayerTreeHost
 struct CC_EXPORT RendererCapabilities {
     RendererCapabilities();
     ~RendererCapabilities();
 
-    GLenum bestTextureFormat;
+    unsigned bestTextureFormat;
     bool usingPartialSwap;
     bool usingAcceleratedPainting;
     bool usingSetVisibility;
     bool usingSwapCompleteCallback;
     bool usingGpuMemoryManager;
     bool usingDiscardBackbuffer;
     bool usingEglImage;
     bool allowPartialTextureUpdates;
     int maxTextureSize;
 };
@@ skipping 203 matching lines @@
     scoped_ptr<AnimationRegistrar> m_animationRegistrar;
 
     static bool s_needsFilterContext;
 
     DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYER_TREE_HOST_H_