Remove all uses of the ASCIILiteral class.

Source/modules/mediastream/SourceInfo.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 33 matching lines @@
 
 String SourceInfo::id() const
 {
     return m_webSourceInfo.id();
 }
 
 String SourceInfo::kind() const
 {
     switch (m_webSourceInfo.kind()) {
     case WebKit::WebSourceInfo::SourceKindAudio:
-        return ASCIILiteral("audio");
+        return "audio";
     case WebKit::WebSourceInfo::SourceKindVideo:
-        return ASCIILiteral("video");
+        return "video";
     case WebKit::WebSourceInfo::SourceKindNone:
-        return ASCIILiteral("none");
+        return "none";
     }
 
     ASSERT_NOT_REACHED();
     return String();
 }
 
 String SourceInfo::label() const
 {
     return m_webSourceInfo.label();
 }
 
 String SourceInfo::facing() const
 {
     switch (m_webSourceInfo.facing()) {
     case WebKit::WebSourceInfo::VideoFacingModeNone:
         return String();
     case WebKit::WebSourceInfo::VideoFacingModeUser:
-        return ASCIILiteral("user");
+        return "user";
     case WebKit::WebSourceInfo::VideoFacingModeEnvironment:
-        return ASCIILiteral("environment");
+        return "environment";
     }
 
     ASSERT_NOT_REACHED();
     return String();
 }
 
 } // namespace WebCore