media: Require SecureContext for EME APIs

third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.cpp

Index: third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.cpp
diff --git a/third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.cpp b/third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.cpp
index 72795ee8ca2fb5d230211bb51b4460807e83aeaf..15cb827d063c9e4ae386fa376f501a4cec719299 100644
--- a/third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.cpp
+++ b/third_party/WebKit/Source/modules/encryptedmedia/NavigatorRequestMediaKeySystemAccess.cpp
@@ -324,21 +324,8 @@ ScriptPromise NavigatorRequestMediaKeySystemAccess::requestMediaKeySystemAccess(
                          "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.
-  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.
+  ExecutionContext* executionContext = scriptState->getExecutionContext();
   Document* document = toDocument(executionContext);
   if (!document->page()) {
     return ScriptPromise::rejectWithDOMException(