DO NOT REVIEW Bindings and plumbing for push messaging API.

Source/modules/pushmessaging/PushManager.cpp

Index: Source/modules/pushmessaging/PushManager.cpp
diff --git a/Source/modules/pushmessaging/PushManager.cpp b/Source/modules/pushmessaging/PushManager.cpp
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+++ b/Source/modules/pushmessaging/PushManager.cpp
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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.
+
+#include "config.h"
+#include "modules/pushmessaging/PushManager.h"
+
+#include "RuntimeEnabledFeatures.h"
+#include "bindings/v8/CallbackPromiseAdapter.h"
+#include "bindings/v8/ScriptPromise.h"
+#include "bindings/v8/ScriptPromiseResolver.h"
+#include "core/dom/Document.h"
+#include "core/dom/ExecutionContext.h"
+#include "modules/pushmessaging/PushController.h"
+#include "modules/pushmessaging/PushMessagingError.h"
+#include "modules/pushmessaging/PushRegistration.h"
+#include "public/platform/WebPushClient.h"
+
+namespace WebCore {
+
+PushManager::PushManager()
+{
+    ScriptWrappable::init(this);
+}
+
+PushManager::~PushManager()
+{
+}
+
+ScriptPromise PushManager::registerPushMessaging(ExecutionContext* context, const String& channelName)
+{
+    ASSERT(RuntimeEnabledFeatures::pushMessagingEnabled());
+    ScriptPromise promise = ScriptPromise::createPending(context);
+    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(promise, context);
+
+    PushController::clientFrom(toDocument(context)->page())->registerPushMessaging(channelName, new CallbackPromiseAdapter<PushRegistration, PushMessagingError>(resolver, context));
+    return promise;
+}
+
+} // namespace WebCore