Add an Origin Trial for Navigator.getInstalledRelatedApps.

third_party/WebKit/Source/modules/installedapp/InstalledAppController.cpp

 // Copyright 2016 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/installedapp/InstalledAppController.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/LocalFrame.h"
-#include "platform/RuntimeEnabledFeatures.h"
 #include "public/platform/InterfaceProvider.h"
 #include "wtf/Functional.h"
 
 #include <utility>
 
 namespace blink {
 
 // Callbacks for the result of
 // WebRelatedAppsFetcher::getManifestRelatedApplications. Calls
 // filterByInstalledApps upon receiving the list of related applications.
@@ skipping 36 matching lines @@
   // Upon returning, filter the result list to those apps that are installed.
   // TODO(mgiuca): This roundtrip to content could be eliminated if the Manifest
   // class was moved from content into Blink.
   m_relatedAppsFetcher->getManifestRelatedApplications(
       WTF::makeUnique<GetRelatedAppsCallbacks>(this, std::move(callbacks)));
 }
 
 void InstalledAppController::provideTo(
     LocalFrame& frame,
     WebRelatedAppsFetcher* relatedAppsFetcher) {
-  DCHECK(RuntimeEnabledFeatures::installedAppEnabled());
-
   InstalledAppController* controller =
       new InstalledAppController(frame, relatedAppsFetcher);
   Supplement<LocalFrame>::provideTo(frame, supplementName(), controller);
 }
 
 InstalledAppController* InstalledAppController::from(LocalFrame& frame) {
   InstalledAppController* controller = static_cast<InstalledAppController*>(
       Supplement<LocalFrame>::from(frame, supplementName()));
   DCHECK(controller);
   return controller;
@@ skipping 59 matching lines @@
   callbacks->onSuccess(
       blink::WebVector<blink::WebRelatedApplication>(applications));
 }
 
 DEFINE_TRACE(InstalledAppController) {
   Supplement<LocalFrame>::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink