DO NOT REVIEW Bindings and plumbing for push messaging API.

public/platform/WebPushClient.h

Index: public/platform/WebPushClient.h
diff --git a/public/platform/WebPushClient.h b/public/platform/WebPushClient.h
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+// 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 WebPushClient_h
+#define WebPushClient_h
+
+#include "WebString.h"
+#include "public/platform/WebCallbacks.h"
+#include "public/platform/WebPushMessagingError.h"
+
+namespace blink {
+
+class WebPushRegistration;
+
+typedef WebCallbacks<WebPushRegistration, WebPushMessagingError> WebPushRegistrationCallbacks;
+
+class WebPushClient {
+public:
+    virtual void registerPushMessaging(const WebString& channelId, WebPushRegistrationCallbacks*) = 0;
+};
+
+} // namespace blink
+
+#endif // WebPushClient_h