Implement 'window.isSecureContext'.

third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.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/encryptedmedia/NavigatorRequestMediaKeySystemAccess.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 166 matching lines @@
     //    promise rejected with a new DOMException whose name is
     //    InvalidAccessError.
     if (!supportedConfigurations.size()) {
         return ScriptPromise::rejectWithDOMException(
             scriptState, DOMException::create(InvalidAccessError, "The supportedConfigurations parameter is empty."));
     }
 
     // 3-4. 'May Document use powerful features?' check.
     ExecutionContext* executionContext = scriptState->executionContext();
     String errorMessage;
-    if (executionContext->isPrivilegedContext(errorMessage)) {
+    if (executionContext->isSecureContext(errorMessage)) {
         UseCounter::count(executionContext, UseCounter::EncryptedMediaSecureOrigin);
     } else {
         UseCounter::countDeprecation(executionContext, UseCounter::EncryptedMediaInsecureOrigin);
         // TODO(ddorwin): Implement the following:
         // Reject promise with a new DOMException whose name is NotSupportedError.
     }
 
 
     // 5. Let origin be the origin of document.
     //    (Passed with the execution context in step 7.)
@@ skipping 12 matching lines @@
     //    initialize the MediaKeySystemAccess object.
     MediaKeysController* controller = MediaKeysController::from(document->page());
     WebEncryptedMediaClient* mediaClient = controller->encryptedMediaClient(executionContext);
     mediaClient->requestMediaKeySystemAccess(WebEncryptedMediaRequest(initializer));
 
     // 8. Return promise.
     return promise;
 }
 
 } // namespace blink