Enable chromium_code=1 on Windows

Source/core/rendering/ClipRect.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple 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
@@ skipping 120 matching lines @@
     {
         if (!--m_refCnt)
             delete this;
     }
 
     bool operator==(const ClipRects& other) const
     {
         return m_overflowClipRect == other.overflowClipRect()
             && m_fixedClipRect == other.fixedClipRect()
             && m_posClipRect == other.posClipRect()
-            && m_fixed == other.fixed();
+            && static_cast<bool>(m_fixed) == other.fixed();
     }
 
     ClipRects& operator=(const ClipRects& other)
     {
         m_overflowClipRect = other.overflowClipRect();
         m_fixedClipRect = other.fixedClipRect();
         m_posClipRect = other.posClipRect();
         m_fixed = other.fixed();
         return *this;
     }
@@ skipping 113 matching lines @@
     // Also unique to paginated fragments. An additional clip that applies to the layer. It is in layer-local
     // (physical) coordinates.
     LayoutRect paginationClip;
 };
 
 typedef Vector<LayerFragment, 1> LayerFragments;
 
 } // namespace WebCore
 
 #endif // ClipRect_h