Added preloader support for sizes based RW values

Source/core/fetch/FetchRequest.cpp

 /*
  * Copyright (C) 2012 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 72 matching lines @@
 void FetchRequest::setCrossOriginAccessControl(SecurityOrigin* origin, StoredCredentials allowCredentials)
 {
     setCrossOriginAccessControl(origin, allowCredentials, allowCredentials == AllowStoredCredentials ? ClientRequestedCredentials : ClientDidNotRequestCredentials);
 }
 
 void FetchRequest::setCrossOriginAccessControl(SecurityOrigin* origin, const AtomicString& crossOriginMode)
 {
     setCrossOriginAccessControl(origin, equalIgnoringCase(crossOriginMode, "use-credentials") ? AllowStoredCredentials : DoNotAllowStoredCredentials);
 }
 
+void FetchRequest::setResourceWidth(ResourceWidth resourceWidth)
+{
+    if (resourceWidth.isSet) {
+        m_resourceWidth.width = resourceWidth.width;
+        m_resourceWidth.isSet = true;
+    }
+}
+
 } // namespace blink