Tiling priorities in Android Webview.

android_webview/browser/hardware_renderer.h

 // Copyright 2014 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 ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_
 #define ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_
 
+#include "android_webview/browser/parent_compositor_draw_constraints.h"
 #include "android_webview/browser/shared_renderer_state.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "cc/trees/layer_tree_host_single_thread_client.h"
 
 struct AwDrawGLInfo;
 
 namespace cc {
 class DelegatedFrameProvider;
@@ skipping 63 matching lines @@
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
   scoped_refptr<cc::Layer> root_layer_;
 
   scoped_refptr<cc::DelegatedFrameResourceCollection> resource_collection_;
   scoped_refptr<cc::DelegatedFrameProvider> frame_provider_;
   scoped_refptr<cc::DelegatedRendererLayer> delegated_layer_;
 
   // This is owned indirectly by |layer_tree_host_|.
   ParentOutputSurface* output_surface_;
 
+  ParentCompositorDrawConstraints draw_constraints_;
+
   DISALLOW_COPY_AND_ASSIGN(HardwareRenderer);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_HARDWARE_RENDERER_H_