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

Source/wtf/text/WTFString.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 260 matching lines @@
     template<size_t inlineCapacity>
     void appendTo(Vector<UChar, inlineCapacity>&, unsigned pos = 0, unsigned len = UINT_MAX) const;
 
     template<typename BufferType>
     void appendTo(BufferType&, unsigned pos = 0, unsigned len = UINT_MAX) const;
 
     template<size_t inlineCapacity>
     void prependTo(Vector<UChar, inlineCapacity>&, unsigned pos = 0, unsigned len = UINT_MAX) const;
 
     UChar32 characterStartingAt(unsigned) const;
-    
+
     bool contains(UChar c) const { return find(c) != notFound; }
     bool contains(const LChar* str, bool caseSensitive = true) const { return find(str, 0, caseSensitive) != notFound; }
     bool contains(const String& str, bool caseSensitive = true) const { return find(str, 0, caseSensitive) != notFound; }
 
     bool startsWith(const String& s, bool caseSensitive = true) const
         { return m_impl ? m_impl->startsWith(s.impl(), caseSensitive) : s.isEmpty(); }
     bool startsWith(UChar character) const
         { return m_impl ? m_impl->startsWith(character) : false; }
     template<unsigned matchLength>
     bool startsWith(const char (&prefix)[matchLength], bool caseSensitive = true) const
@@ skipping 111 matching lines @@
     operator UnspecifiedBoolTypeA() const;
     operator UnspecifiedBoolTypeB() const;
 
 #if USE(CF)
     String(CFStringRef);
     RetainPtr<CFStringRef> createCFString() const;
 #endif
 
 #ifdef __OBJC__
     String(NSString*);
-    
-    // This conversion maps NULL to "", which loses the meaning of NULL, but we 
+
+    // This conversion maps NULL to "", which loses the meaning of NULL, but we
     // need this mapping because AppKit crashes when passed nil NSStrings.
     operator NSString*() const { if (!m_impl) return @""; return *m_impl; }
 #endif
 
     static String make8BitFrom16BitSource(const UChar*, size_t);
     template<size_t inlineCapacity>
     static String make8BitFrom16BitSource(const Vector<UChar, inlineCapacity>& buffer)
     {
         return make8BitFrom16BitSource(buffer.data(), buffer.size());
     }
 
     static String make16BitFrom8BitSource(const LChar*, size_t);
 
     // String::fromUTF8 will return a null string if
     // the input data contains invalid UTF-8 sequences.
     static String fromUTF8(const LChar*, size_t);
     static String fromUTF8(const LChar*);
     static String fromUTF8(const char* s, size_t length) { return fromUTF8(reinterpret_cast<const LChar*>(s), length); };
     static String fromUTF8(const char* s) { return fromUTF8(reinterpret_cast<const LChar*>(s)); };
     static String fromUTF8(const CString&);
 
     // Tries to convert the passed in string to UTF-8, but will fall back to Latin-1 if the string is not valid UTF-8.
     static String fromUTF8WithLatin1Fallback(const LChar*, size_t);
     static String fromUTF8WithLatin1Fallback(const char* s, size_t length) { return fromUTF8WithLatin1Fallback(reinterpret_cast<const LChar*>(s), length); };
-    
+
     // Determines the writing direction using the Unicode Bidi Algorithm rules P2 and P3.
     WTF::Unicode::Direction defaultWritingDirection(bool* hasStrongDirectionality = 0) const
     {
         if (m_impl)
             return m_impl->defaultWritingDirection(hasStrongDirectionality);
         if (hasStrongDirectionality)
             *hasStrongDirectionality = false;
         return WTF::Unicode::LeftToRight;
     }
 
@@ skipping 47 matching lines @@
 inline bool operator!=(const Vector<char, inlineCapacity>& a, const String& b) { return !(a == b); }
 template<size_t inlineCapacity>
 inline bool operator!=(const String& a, const Vector<char, inlineCapacity>& b) { return b != a; }
 
 inline bool equalIgnoringCase(const String& a, const String& b) { return equalIgnoringCase(a.impl(), b.impl()); }
 inline bool equalIgnoringCase(const String& a, const LChar* b) { return equalIgnoringCase(a.impl(), b); }
 inline bool equalIgnoringCase(const String& a, const char* b) { return equalIgnoringCase(a.impl(), reinterpret_cast<const LChar*>(b)); }
 inline bool equalIgnoringCase(const LChar* a, const String& b) { return equalIgnoringCase(a, b.impl()); }
 inline bool equalIgnoringCase(const char* a, const String& b) { return equalIgnoringCase(reinterpret_cast<const LChar*>(a), b.impl()); }
 
-inline bool equalPossiblyIgnoringCase(const String& a, const String& b, bool ignoreCase) 
+inline bool equalPossiblyIgnoringCase(const String& a, const String& b, bool ignoreCase)
 {
     return ignoreCase ? equalIgnoringCase(a, b) : (a == b);
 }
 
 inline bool equalIgnoringNullity(const String& a, const String& b) { return equalIgnoringNullity(a.impl(), b.impl()); }
 
 template<size_t inlineCapacity>
 inline bool equalIgnoringNullity(const Vector<UChar, inlineCapacity>& a, const String& b) { return equalIgnoringNullity(a, b.impl()); }
 
 inline bool operator!(const String& str) { return str.isNull(); }
@@ skipping 212 matching lines @@
 using WTF::equal;
 using WTF::equalIgnoringCase;
 using WTF::find;
 using WTF::isAllSpecialCharacters;
 using WTF::isSpaceOrNewline;
 using WTF::reverseFind;
 using WTF::ASCIILiteral;
 
 #include "wtf/text/AtomicString.h"
 #endif