Make DOMWindowProperty::m_frame private

third_party/WebKit/Source/modules/installedapp/NavigatorInstalledApp.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/NavigatorInstalledApp.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 53 matching lines @@
         return applications;
     }
 };
 
 ScriptPromise NavigatorInstalledApp::getInstalledRelatedApps(ScriptState* scriptState)
 {
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     // Don't crash when called and unattached to document.
-    Document* document = m_frame ? m_frame->document() : 0;
+    Document* document = frame() ? frame()->document() : 0;
 
     if (!document || !controller()) {
         DOMException* exception = DOMException::create(InvalidStateError, "The object is no longer associated to a document.");
         resolver->reject(exception);
         return promise;
     }
 
     controller()->getInstalledApps(
         WebSecurityOrigin(scriptState->getExecutionContext()->getSecurityOrigin()),
         wrapUnique(new CallbackPromiseAdapter<RelatedAppArray, void>(resolver)));
@@ skipping 13 matching lines @@
     return "NavigatorInstalledApp";
 }
 
 DEFINE_TRACE(NavigatorInstalledApp)
 {
     Supplement<Navigator>::trace(visitor);
     DOMWindowProperty::trace(visitor);
 }
 
 } // namespace blink