android: content::UIResourceProvider and content::UIResourceClientAndroid

content/browser/android/ui_resource_provider_impl.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 CONTENT_BROWSER_ANDROID_UI_RESOURCE_PROVIDER_IMPL_H_
+#define CONTENT_BROWSER_ANDROID_UI_RESOURCE_PROVIDER_IMPL_H_
+
+#include "base/containers/hash_tables.h"
+#include "content/public/browser/android/ui_resource_provider.h"
+
+namespace cc {
+class LayerTreeHost;
+}
+
+namespace content {
+
+class UIResourceClientAndroid;
+
+class UIResourceProviderImpl : public UIResourceProvider {
+ public:
+  UIResourceProviderImpl();
+
+  virtual ~UIResourceProviderImpl();
+
+  void SetLayerTreeHost(cc::LayerTreeHost* host);
+
+  void UIResourcesAreInvalid();
+
+  virtual cc::UIResourceId CreateUIResource(
+      UIResourceClientAndroid* client) OVERRIDE;
+
+  virtual void DeleteUIResource(cc::UIResourceId resource_id) OVERRIDE;
+
+ private:
+  typedef base::hash_map<cc::UIResourceId, UIResourceClientAndroid*>
+      UIResourceClientMap;
+  UIResourceClientMap ui_resource_client_map_;
+
+  cc::LayerTreeHost* host_;
+
+  DISALLOW_COPY_AND_ASSIGN(UIResourceProviderImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_ANDROID_UI_RESOURCE_PROVIDER_IMPL_H_