MediaStream API: Addding support for UA specific error messages for gUM

Source/web/WebUserMediaRequest.cpp

Index: Source/web/WebUserMediaRequest.cpp
diff --git a/Source/web/WebUserMediaRequest.cpp b/Source/web/WebUserMediaRequest.cpp
index 3f7b9d7c4fe958b1b395ed08a3599a5da913e746..fcf1db4c1a9b1b6e5047d5855916ac53919db447 100644
--- a/Source/web/WebUserMediaRequest.cpp
+++ b/Source/web/WebUserMediaRequest.cpp
@@ -107,10 +107,10 @@ void WebUserMediaRequest::requestSucceeded(const WebMediaStream& streamDescripto
     m_private->succeed(streamDescriptor);
 }
 
-void WebUserMediaRequest::requestFailed(const WebString& description)
+void WebUserMediaRequest::requestDenied(const WebString& description)
 {
     ASSERT(!isNull());
-    m_private->fail(description);
+    m_private->failPermissionDenied(description);
 }
 
 void WebUserMediaRequest::requestFailedConstraint(const WebString& constraintName, const WebString& description)
@@ -119,6 +119,12 @@ void WebUserMediaRequest::requestFailedConstraint(const WebString& constraintNam
     m_private->failConstraint(constraintName, description);
 }
 
+void WebUserMediaRequest::requestFailedUASpecific(const WebString& name, const WebString& constraintName, const WebString& description)
+{
+    ASSERT(!isNull());
+    m_private->failUASpecific(name, constraintName, description);
+}
+
 bool WebUserMediaRequest::equals(const WebUserMediaRequest& other) const
 {
     if (isNull() || other.isNull())