Calling isSecureContext() with no arguments

third_party/WebKit/Source/core/frame/DOMWindow.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 "config.h"
 #include "core/frame/DOMWindow.h"
 
 #include "bindings/core/v8/ScriptCallStackFactory.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
@@ skipping 145 matching lines @@
         m_location->reset();
         m_location = nullptr;
     }
 }
 
 bool DOMWindow::isSecureContext() const
 {
     if (!frame())
         return false;
 
-    String unusedErrorMessage;
-    return document()->isSecureContext(unusedErrorMessage, ExecutionContext::StandardSecureContextCheck);
+    return document()->ExecutionContext::isSecureContext(ExecutionContext::StandardSecureContextCheck);

[estark, 2015/12/18 00:00:58]

same here

 }
 
 void DOMWindow::postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray* ports, const String& targetOrigin, LocalDOMWindow* source, ExceptionState& exceptionState)
 {
     if (!isCurrentlyDisplayedInFrame())
         return;
 
     Document* sourceDocument = source->document();
 
     // Compute the target origin.  We need to do this synchronously in order
@@ skipping 163 matching lines @@
     m_windowIsClosing = true;
 }
 
 DEFINE_TRACE(DOMWindow)
 {
     visitor->trace(m_location);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink