Implement 'window.isSecureContext'.

third_party/WebKit/Source/modules/cachestorage/CacheStorage.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 "modules/cachestorage/CacheStorage.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 15 matching lines @@
 }
 
 bool commonChecks(ScriptState* scriptState, ExceptionState& exceptionState)
 {
     ExecutionContext* executionContext = scriptState->executionContext();
     // FIXME: May be null due to worker termination: http://crbug.com/413518.
     if (!executionContext)
         return false;
 
     String errorMessage;
-    if (!executionContext->isPrivilegedContext(errorMessage)) {
+    if (!executionContext->isSecureContext(errorMessage)) {
         exceptionState.throwSecurityError(errorMessage);
         return false;
     }
     return true;
 }
 
 void checkCacheQueryOptions(const CacheQueryOptions& options, ExecutionContext* context)
 {
     if (options.ignoreSearch())
         context->addConsoleMessage(ConsoleMessage::create(JSMessageSource, WarningMessageLevel, "Cache.match() does not support 'ignoreSearch' option yet. See http://crbug.com/520784"));
@@ skipping 293 matching lines @@
     m_webCacheStorage.clear();
 }
 
 DEFINE_TRACE(CacheStorage)
 {
     visitor->trace(m_scopedFetcher);
     visitor->trace(m_nameToCacheMap);
 }
 
 } // namespace blink