[WIP] Move Web Notifications to a WebFrame-less code path (Blink).

public/platform/WebNotificationManager.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.
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #ifndef WebNotificationManager_h
 #define WebNotificationManager_h
 
 #include "WebNotificationPermission.h"
 
 namespace blink {
 
 struct WebNotificationData;
 class WebNotificationDelegate;
 class WebSerializedOrigin;
 
 // Provides the services to show platform notifications to the user.
 class WebNotificationManager {
 public:
     virtual ~WebNotificationManager() { }
 
     // Shows a notification on the user's system.
-    virtual void show(const blink::WebSerializedOrigin&, const WebNotificationData&, WebNotificationDelegate*) = 0;
+    virtual bool show(const blink::WebSerializedOrigin&, const WebNotificationData&, WebNotificationDelegate*) = 0;
 
     // Closes a notification previously shown, and removes it if being shown.
     virtual void close(WebNotificationDelegate*) = 0;
 
     // Indicates that the delegate object is being destroyed, and must no longer
     // be used by the embedder to dispatch events.
     virtual void notifyDelegateDestroyed(WebNotificationDelegate*) = 0;
 
-    // Synchronously checks the permission level for the given origin.
+    // Checks the permission level for the given origin.
     virtual WebNotificationPermission checkPermission(const WebSerializedOrigin&) = 0;
 };
 
 } // namespace blink
 
-#endif // WebNotificationManager_h
+#endif