Store glyph bounds in WordMeasurement to avoid slow path width calc

Source/core/layout/line/InlineFlowBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 13 matching lines @@
 #include "core/dom/Document.h"
 #include "core/layout/HitTestResult.h"
 #include "core/layout/LayoutBlock.h"
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutListMarker.h"
 #include "core/layout/LayoutObjectInlines.h"
 #include "core/layout/LayoutRubyBase.h"
 #include "core/layout/LayoutRubyRun.h"
 #include "core/layout/LayoutRubyText.h"
 #include "core/layout/LayoutView.h"
+#include "core/layout/line/GlyphOverflow.h"
 #include "core/layout/line/InlineTextBox.h"
 #include "core/layout/line/RootInlineBox.h"
 #include "core/paint/BoxPainter.h"
 #include "core/paint/InlineFlowBoxPainter.h"
 #include "core/style/ShadowList.h"
 #include "platform/fonts/Font.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 
 #include <math.h>
 
@@ skipping 1266 matching lines @@
         ASSERT(child->prevOnLine() == prev);
         prev = child;
     }
     ASSERT(prev == m_lastChild);
 #endif
 }
 
 #endif
 
 } // namespace blink