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

public/platform/WebHTTPLoadInfo.h

 /*
  * Copyright (C) 2010 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 29 matching lines @@
 
 namespace WebKit {
 class WebString;
 
 class WebHTTPLoadInfo {
 public:
     WebHTTPLoadInfo() { initialize(); }
     ~WebHTTPLoadInfo() { reset(); }
     WebHTTPLoadInfo(const WebHTTPLoadInfo& r) { assign(r); }
     WebHTTPLoadInfo& operator =(const WebHTTPLoadInfo& r)
-    { 
+    {
         assign(r);
         return *this;
     }
 
     WEBKIT_EXPORT void initialize();
     WEBKIT_EXPORT void reset();
     WEBKIT_EXPORT void assign(const WebHTTPLoadInfo& r);
 
     WEBKIT_EXPORT int httpStatusCode() const;
     WEBKIT_EXPORT void setHTTPStatusCode(int);
@@ skipping 18 matching lines @@
     operator WTF::PassRefPtr<WebCore::ResourceLoadInfo>() const;
 #endif
 
 private:
     WebPrivatePtr<WebCore::ResourceLoadInfo> m_private;
 };
 
 } // namespace WebKit
 
 #endif