Rename WebCore namespace to blink in Platform

Source/platform/LengthFunctions.h

 /*
     Copyright (C) 1999 Lars Knoll (knoll@kde.org)
     Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
     Copyright (C) 2011 Rik Cabanier (cabanier@adobe.com)
     Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
     Copyright (C) 2012 Motorola Mobility, 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,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */
 
 #ifndef LengthFunctions_h
 #define LengthFunctions_h
 
 #include "platform/PlatformExport.h"
 
-namespace WebCore {
+namespace blink {
 
 class FloatSize;
 class LayoutUnit;
 class Length;
 class LengthSize;
 
 PLATFORM_EXPORT int intValueForLength(const Length&, LayoutUnit maximumValue);
 PLATFORM_EXPORT float floatValueForLength(const Length&, float maximumValue);
 PLATFORM_EXPORT LayoutUnit minimumValueForLength(const Length&, LayoutUnit maximumValue);
 PLATFORM_EXPORT LayoutUnit roundedMinimumValueForLength(const Length&, LayoutUnit maximumValue);
 PLATFORM_EXPORT LayoutUnit valueForLength(const Length&, LayoutUnit maximumValue);
 PLATFORM_EXPORT FloatSize floatSizeForLengthSize(const LengthSize&, const FloatSize& boxSize);
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // LengthFunctions_h