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

Source/wtf/Assertions.h

 /*
  * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2013 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, 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 COMPUTER, 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.
  */
 
 #ifndef WTF_Assertions_h
 #define WTF_Assertions_h
 
 /*
    No namespaces because this file has to be includable from C and Objective-C.
 
    Note, this file uses many GCC extensions, but it should be compatible with
    C, Objective C, C++, and Objective C++.
@@ skipping 55 matching lines @@
 #else
 #define WTF_PRETTY_FUNCTION __FUNCTION__
 #endif
 
 /* WTF logging functions can process %@ in the format string to log a NSObject* but the printf format attribute
    emits a warning when %@ is used in the format string.  Until <rdar://problem/5195437> is resolved we can't include
    the attribute when being used from Objective-C code in case it decides to use %@. */
 #if COMPILER(GCC) && !defined(__OBJC__)
 #define WTF_ATTRIBUTE_PRINTF(formatStringArgument, extraArguments) __attribute__((__format__(printf, formatStringArgument, extraArguments)))
 #else
-#define WTF_ATTRIBUTE_PRINTF(formatStringArgument, extraArguments) 
+#define WTF_ATTRIBUTE_PRINTF(formatStringArgument, extraArguments)
 #endif
 
 /* These helper functions are always declared, but not necessarily always defined if the corresponding function is disabled. */
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 typedef enum { WTFLogChannelOff, WTFLogChannelOn } WTFLogChannelState;
 
@@ skipping 261 matching lines @@
 #define RELEASE_ASSERT(assertion) (UNLIKELY(!(assertion)) ? (IMMEDIATE_CRASH()) : (void)0)
 #define RELEASE_ASSERT_WITH_MESSAGE(assertion, ...) RELEASE_ASSERT(assertion)
 #define RELEASE_ASSERT_NOT_REACHED() IMMEDIATE_CRASH()
 #else
 #define RELEASE_ASSERT(assertion) ASSERT(assertion)
 #define RELEASE_ASSERT_WITH_MESSAGE(assertion, ...) ASSERT_WITH_MESSAGE(assertion, __VA_ARGS__)
 #define RELEASE_ASSERT_NOT_REACHED() ASSERT_NOT_REACHED()
 #endif
 
 #endif /* WTF_Assertions_h */