Global GPU memory manager for android webview

android_webview/browser/global_tile_manager_client.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_GLOBAL_TILE_MANAGER_CLIENT_H_
+#define ANDROID_WEBVIEW_BROWSER_GLOBAL_TILE_MANAGER_CLIENT_H_
+
+namespace android_webview {
+// GlobalTileManagerClient requests tile resources from GlobalTileManager.
+class GlobalTileManagerClient {
+ public:
+  // Get the number of tiles allocated to the client.
+  virtual size_t GetNumTiles() const = 0;
+
+  // Set the number of tiles allocated to the client. When
+  // |effective_immediately| is true, the client will enforce its tile policy
+  // immediately.
+  virtual void SetNumTiles(size_t num_tiles, bool effective_immediately) = 0;
+
+ protected:
+  virtual ~GlobalTileManagerClient() {}
+};
+
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_BROWSER_GLOBAL_TILE_MANAGER_CLIENT_H_