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

Tools/DumpRenderTree/chromium/TestRunner/src/TestRunner.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Pawel Hajdan (phajdan.jr@chromium.org)
  * Copyright (C) 2012 Apple 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
@@ skipping 614 matching lines @@
     bool m_canOpenWindows;
 
     // If true, the test_shell will output a descriptive line for each resource
     // load callback.
     bool m_dumpResourceLoadCallbacks;
 
     // If true, the test_shell will output a descriptive line for each resource
     // request callback.
     bool m_dumpResourceRequestCallbacks;
 
-    // If true, the test_shell will output the MIME type for each resource that 
+    // If true, the test_shell will output the MIME type for each resource that
     // was loaded.
     bool m_dumpResourceResponseMIMETypes;
 
     // If true, the test_shell will dump all changes to window.status.
     bool m_dumpWindowStatusChanges;
 
     // If true, the test_shell will output a descriptive line for the progress
     // finished callback.
     bool m_dumpProgressFinishedCallback;
 
@@ skipping 51 matching lines @@
     enum {
         PointerLockWillSucceed,
         PointerLockWillRespondAsync,
         PointerLockWillFailSync,
     } m_pointerLockPlannedResult;
 };
 
 }
 
 #endif // TestRunner_h