aw: Release hardware onTrimMemory(MODERATE)

android_webview/browser/browser_view_renderer.h

 // Copyright (c) 2013 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_BROWSER_VIEW_RENDERER_H_
 #define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_
 
 #include "android_webview/browser/global_tile_manager.h"
 #include "android_webview/browser/global_tile_manager_client.h"
 #include "android_webview/browser/shared_renderer_state.h"
@@ skipping 88 matching lines @@
   void SetDipScale(float dip_scale);
 
   // Set the root layer scroll offset to |new_value|.
   void ScrollTo(gfx::Vector2d new_value);
 
   // Android views hierarchy gluing.
   bool IsVisible() const;
   gfx::Rect GetScreenRect() const;
   bool attached_to_window() const { return attached_to_window_; }
   bool hardware_enabled() const { return hardware_enabled_; }
+  void ReleaseHardware();
 
   // Set the memory policy in shared renderer state and request the tiles from
   // GlobalTileManager. The actually amount of memory allowed by
   // GlobalTileManager may not be equal to what's requested in |policy|.
   void RequestMemoryPolicy(content::SynchronousCompositorMemoryPolicy& policy);
 
   void TrimMemory(const int level, const bool visible);
 
   // SynchronousCompositorClient overrides.
   virtual void DidInitializeCompositor(
@@ skipping 112 matching lines @@
   // policy on the shared_renderer_state_ atomically.
   size_t num_tiles_;
   size_t num_bytes_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserViewRenderer);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_