Global GPU memory manager for android webview

android_webview/browser/gl_view_renderer_manager.h

 // Copyright 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_GL_VIEW_RENDERER_MANAGER_H_
 #define ANDROID_WEBVIEW_BROWSER_GL_VIEW_RENDERER_MANAGER_H_
 
 #include <list>
 
+#include "android_webview/browser/shared_renderer_state.h"
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/platform_thread.h"
+#include "content/public/browser/android/synchronous_compositor.h"
 
 namespace android_webview {
 
+namespace {
+  typedef content::SynchronousCompositorMemoryPolicy MemoryPolicy;
+} // namespace
+
 class SharedRendererState;
 
 class GLViewRendererManager {
  public:
   typedef SharedRendererState* RendererType;
 
  private:
   typedef std::list<RendererType> ListType;
 
  public:
   typedef ListType::iterator Key;
 
   static GLViewRendererManager* GetInstance();
 
   // TODO(boliu): Move RenderThread checking out of this class.
   bool OnRenderThread() const;
 
   Key PushBack(RendererType view);
 
   // |key| must be already in manager. Move renderer corresponding to |key| to
   // most recent.
   void DidDrawGL(Key key);
 
   void Remove(Key key);
 
   RendererType GetMostRecentlyDrawn() const;
 
+  // See GpuMemoryManager::EvictUntilSatisfied.
+  MemoryPolicy EvictUntilSatisfied(MemoryPolicy desired_policy, Key key);
+
  private:
   friend struct base::DefaultLazyInstanceTraits<GLViewRendererManager>;
 
   GLViewRendererManager();
   ~GLViewRendererManager();
 
   void MarkRenderThread();
 
   mutable base::Lock lock_;
   base::PlatformThreadHandle render_thread_;
   ListType mru_list_;
 
   DISALLOW_COPY_AND_ASSIGN(GLViewRendererManager);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_GL_VIEW_RENDERER_MANAGER_H_