Fix trailing whitespace in .cpp, .h, and .idl files (ex. Source/core)

Source/bindings/v8/custom/V8HTMLFrameElementCustom.cpp

 /*
  * Copyright (C) 2007-2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 #include "config.h"
 #include "V8HTMLFrameElement.h"
 
 #include "HTMLNames.h"
 #include "bindings/v8/BindingSecurity.h"
 #include "bindings/v8/V8Binding.h"
 #include "core/html/HTMLFrameElement.h"
 
 namespace WebCore {
 
-using namespace HTMLNames; 
+using namespace HTMLNames;
 
 void V8HTMLFrameElement::locationAttrSetterCustom(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
 {
     HTMLFrameElement* frame = V8HTMLFrameElement::toNative(info.Holder());
     String locationValue = toWebCoreStringWithNullCheck(value);
 
     if (!BindingSecurity::allowSettingFrameSrcToJavascriptUrl(frame, locationValue))
         return;
 
     frame->setLocation(locationValue);
 }
 
 } // namespace WebCore