Added Dartium changes onto 45.0.2454.104

Source/core/frame/NavigatorID.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 62 matching lines @@
     }
     return *platformName;
 #endif
 }
 
 String NavigatorID::product()
 {
     return "Gecko";
 }
 
+bool NavigatorID::dartEnabled()
+{
+    // FIXMEDART: Make this configurable.
+    return true;
+}
+
 } // namespace blink