media: Require SecureContext for EME APIs

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 "modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8ThrowException.h"
@@ skipping 306 matching lines @@
 
   // 2. If supportedConfigurations is empty, return a promise rejected with
   //    a newly created TypeError.
   if (!supportedConfigurations.size()) {
     return ScriptPromise::reject(
         scriptState, V8ThrowException::createTypeError(
                          scriptState->isolate(),
                          "The supportedConfigurations parameter is empty."));
   }
 
-  // Note: This method should only be exposed to secure contexts as indicated
-  // by the [SecureContext] IDL attribute. Since that will break some existing
-  // sites, we simply keep track of sites that aren't secure and output a
-  // deprecation message.
+  // 3. Let document be the calling context's Document.
   ExecutionContext* executionContext = scriptState->getExecutionContext();
-  if (executionContext->isSecureContext()) {
-    UseCounter::count(executionContext, UseCounter::EncryptedMediaSecureOrigin);
-  } else {
-    Deprecation::countDeprecation(executionContext,
-                                  UseCounter::EncryptedMediaInsecureOrigin);
-    // TODO(ddorwin): Implement the following:
-    // Reject promise with a new DOMException whose name is NotSupportedError.
-  }
-
-  // 3. Let document be the calling context's Document.
   Document* document = toDocument(executionContext);
   if (!document->page()) {
     return ScriptPromise::rejectWithDOMException(
         scriptState,
         DOMException::create(
             InvalidStateError,
             "The context provided is not associated with a page."));
   }
 
   // 4. Let origin be the origin of document.
@@ skipping 11 matching lines @@
   WebEncryptedMediaClient* mediaClient =
       controller->encryptedMediaClient(executionContext);
   mediaClient->requestMediaKeySystemAccess(
       WebEncryptedMediaRequest(initializer));
 
   // 7. Return promise.
   return promise;
 }
 
 }  // namespace blink