Amusingly deprecate the generic version of 'ExceptionState::throwDOMException'.

Source/modules/mediasource/MediaSource.cpp

Index: Source/modules/mediasource/MediaSource.cpp
diff --git a/Source/modules/mediasource/MediaSource.cpp b/Source/modules/mediasource/MediaSource.cpp
index 5591ad2d405014993f2903a449ac366dae2cd5b7..ca91efc8ae07b47cebd74c725082dd7701582cdc 100644
--- a/Source/modules/mediasource/MediaSource.cpp
+++ b/Source/modules/mediasource/MediaSource.cpp
@@ -76,21 +76,21 @@ SourceBuffer* MediaSource::addSourceBuffer(const String& type, ExceptionState& e
     // 1. If type is null or an empty then throw an InvalidAccessError exception and
     // abort these steps.
     if (type.isNull() || type.isEmpty()) {
-        es.throwDOMException(InvalidAccessError);
+        es.throwUninformativeAndGenericDOMException(InvalidAccessError);
         return 0;
     }
 
     // 2. If type contains a MIME type that is not supported ..., then throw a
     // NotSupportedError exception and abort these steps.
     if (!isTypeSupported(type)) {
-        es.throwDOMException(NotSupportedError);
+        es.throwUninformativeAndGenericDOMException(NotSupportedError);
         return 0;
     }
 
     // 4. If the readyState attribute is not in the "open" state then throw an
     // InvalidStateError exception and abort these steps.
     if (!isOpen()) {
-        es.throwDOMException(InvalidStateError);
+        es.throwUninformativeAndGenericDOMException(InvalidStateError);
         return 0;
     }
 
@@ -123,14 +123,14 @@ void MediaSource::removeSourceBuffer(SourceBuffer* buffer, ExceptionState& es)
     // 1. If sourceBuffer is null then throw an InvalidAccessError exception and
     // abort these steps.
     if (!buffer) {
-        es.throwDOMException(InvalidAccessError);
+        es.throwUninformativeAndGenericDOMException(InvalidAccessError);
         return;
     }
 
     // 2. If sourceBuffer specifies an object that is not in sourceBuffers then
     // throw a NotFoundError exception and abort these steps.
     if (!m_sourceBuffers->length() || !m_sourceBuffers->contains(buffer)) {
-        es.throwDOMException(NotFoundError);
+        es.throwUninformativeAndGenericDOMException(NotFoundError);
         return;
     }