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

Source/wtf/DataLog.cpp

 /*
  * 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:
  * 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "DataLog.h"
 #include <stdarg.h>
 #include "wtf/FilePrintStream.h"
 #include "wtf/WTFThreadData.h"
 #include "wtf/Threading.h"
 
 #if OS(UNIX)
@@ skipping 29 matching lines @@
     snprintf(actualFilename, sizeof(actualFilename), "%s.%d.txt", filename, getpid());
 
     if (filename) {
         file = FilePrintStream::open(actualFilename, "w").leakPtr();
         if (!file)
             fprintf(stderr, "Warning: Could not open log file %s for writing.\n", actualFilename);
     }
 #endif // DATA_LOG_TO_FILE
     if (!file)
         file = new FilePrintStream(stderr, FilePrintStream::Borrow);
-    
+
     setvbuf(file->file(), 0, _IONBF, 0); // Prefer unbuffered output, so that we get a full log upon crash or deadlock.
 }
 
 static void initializeLogFile()
 {
 #if USE(PTHREADS)
     pthread_once(&initializeLogFileOnceKey, initializeLogFileOnce);
 #else
     if (!file)
         initializeLogFileOnce();
@@ skipping 19 matching lines @@
     va_end(argList);
 }
 
 void dataLogFString(const char* str)
 {
     dataFile().printf("%s", str);
 }
 
 } // namespace WTF