WindowBase64::atob() does not remove space characters from input

Source/core/page/Page.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All Rights Reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 387 matching lines @@
 
     m_didLoadUserStyleSheet = false;
     m_userStyleSheet = String();
 
     // Data URLs with base64-encoded UTF-8 style sheets are common. We can process them
     // synchronously and avoid using a loader.
     if (url.protocolIsData() && url.string().startsWith("data:text/css;charset=utf-8;base64,")) {
         m_didLoadUserStyleSheet = true;
 
         Vector<char> styleSheetAsUTF8;
-        if (base64Decode(decodeURLEscapeSequences(url.string().substring(35)), styleSheetAsUTF8, Base64IgnoreWhitespace))
+        if (base64Decode(decodeURLEscapeSequences(url.string().substring(35)), styleSheetAsUTF8, isSpaceOrNewline))
             m_userStyleSheet = String::fromUTF8(styleSheetAsUTF8.data(), styleSheetAsUTF8.size());
     }
 
     for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
         if (frame->document())
             frame->document()->styleEngine()->updatePageUserSheet();
     }
 }
 
 const String& Page::userStyleSheet() const
@@ skipping 141 matching lines @@
     , inspectorClient(0)
     , backForwardClient(0)
 {
 }
 
 Page::PageClients::~PageClients()
 {
 }
 
 } // namespace WebCore