Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

third_party/WebKit/Source/modules/push_messaging/PushManager.cpp

 // 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 "modules/push_messaging/PushManager.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 53 matching lines @@
   // permission so that later calls in different contexts can succeed.
   if (scriptState->getExecutionContext()->isDocument()) {
     Document* document = toDocument(scriptState->getExecutionContext());
     if (!document->domWindow() || !document->frame())
       return ScriptPromise::rejectWithDOMException(
           scriptState,
           DOMException::create(InvalidStateError,
                                "Document is detached from window."));
     PushController::clientFrom(document->frame())
         .subscribe(m_registration->webRegistration(), webOptions,
-                   new PushSubscriptionCallbacks(resolver, m_registration));
+                   WTF::makeUnique<PushSubscriptionCallbacks>(resolver,
+                                                              m_registration));
   } else {
     pushProvider()->subscribe(
         m_registration->webRegistration(), webOptions,
-        new PushSubscriptionCallbacks(resolver, m_registration));
+        WTF::makeUnique<PushSubscriptionCallbacks>(resolver, m_registration));
   }
 
   return promise;
 }
 
 ScriptPromise PushManager::getSubscription(ScriptState* scriptState) {
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
   ScriptPromise promise = resolver->promise();
 
   pushProvider()->getSubscription(
       m_registration->webRegistration(),
-      new PushSubscriptionCallbacks(resolver, m_registration));
+      WTF::makeUnique<PushSubscriptionCallbacks>(resolver, m_registration));
   return promise;
 }
 
 ScriptPromise PushManager::permissionState(
     ScriptState* scriptState,
     const PushSubscriptionOptionsInit& options,
     ExceptionState& exceptionState) {
   if (scriptState->getExecutionContext()->isDocument()) {
     Document* document = toDocument(scriptState->getExecutionContext());
     if (!document->domWindow() || !document->frame())
       return ScriptPromise::rejectWithDOMException(
           scriptState,
           DOMException::create(InvalidStateError,
                                "Document is detached from window."));
   }
 
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
   ScriptPromise promise = resolver->promise();
 
   pushProvider()->getPermissionStatus(
       m_registration->webRegistration(),
       PushSubscriptionOptions::toWeb(options, exceptionState),
-      new PushPermissionStatusCallbacks(resolver));
+      WTF::makeUnique<PushPermissionStatusCallbacks>(resolver));
   return promise;
 }
 
 DEFINE_TRACE(PushManager) {
   visitor->trace(m_registration);
 }
 
 }  // namespace blink