[Offline Pages] Stub of offline pages bridge

chrome/browser/android/offline_pages/offline_page_bridge.h

+// Copyright 2015 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 CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_BRIDGE_H_
+#define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_BRIDGE_H_
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_weak_ref.h"
+
+namespace content {
+class BrowserContext;
+}
+
+namespace offline_pages {
+
+class OfflinePageModel;
+
+namespace android {
+
+/**
+ * Bridge between C++ and Java for exposing native implementation of offline
+ * pages model in managed code.
+ */
+class OfflinePageBridge {
+ public:
+  OfflinePageBridge(JNIEnv* env,
+                    jobject obj,
+                    content::BrowserContext* browser_context);
+  void Destroy(JNIEnv*, jobject);
+
+ private:
+
+  JavaObjectWeakGlobalRef weak_java_ref_;
+  // Not owned.
+  OfflinePageModel* offline_page_model_;
+  // Not owned.
+  content::BrowserContext* browser_context_;
+  DISALLOW_COPY_AND_ASSIGN(OfflinePageBridge);
+};
+
+bool RegisterOfflinePageBridge(JNIEnv* env);
+
+}  // namespace android
+}  // namespace offline_pages
+
+#endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_BRIDGE_H_
+