Replace #include <wtf/foo.h> with #include "wtf/foo.h" in Source/wtf.

Source/wtf/text/Base64.cpp

 /*
    Copyright (C) 2000-2001 Dawit Alemayehu <adawit@kde.org>
    Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
    Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
    Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License (LGPL)
    version 2 as published by the Free Software Foundation.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU Library General Public
    License along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
    This code is based on the java implementation in HTTPClient
    package by Ronald Tschalär Copyright (C) 1996-1999.
 */
 
 #include "config.h"
 #include "Base64.h"
 
 #include <limits.h>
-#include <wtf/StringExtras.h>
-#include <wtf/text/WTFString.h>
+#include "wtf/StringExtras.h"
+#include "wtf/text/WTFString.h"
 
 namespace WTF {
 
 static const char base64EncMap[64] = {
     0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
     0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
     0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
     0x59, 0x5A, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66,
     0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E,
     0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76,
@@ skipping 163 matching lines @@
 {
     return base64DecodeInternal<char>(data, len, out, policy);
 }
 
 bool base64Decode(const String& in, Vector<char>& out, Base64DecodePolicy policy)
 {
     return base64DecodeInternal<UChar>(in.characters(), in.length(), out, policy);
 }
 
 } // namespace WTF