Migrate WTF::HashMap::get() to ::at()

third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngine.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010-2012. 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 378 matching lines @@
       continue;
     }
 
     SVGTextMetrics logicalMetrics(SVGTextMetrics::SkippedSpaceMetrics);
     const LayoutSVGInlineText* logicalTextNode =
         currentLogicalCharacterMetrics(logicalMetrics);
     if (!logicalTextNode)
       break;
 
     const SVGCharacterData data =
-        logicalTextNode->characterDataMap().get(m_logicalCharacterOffset + 1);
+        logicalTextNode->characterDataMap().at(m_logicalCharacterOffset + 1);
 
     // TODO(fs): Use the return value to eliminate the additional
     // hash-lookup below when determining if this text box should be tagged
     // as starting a new text chunk.
     setCurrentTextPosition(data);
 
     // When we've advanced to the box start offset, determine using the original
     // x/y values, whether this character starts a new text chunk, before doing
     // any further processing.
     if (m_visualMetricsIterator.characterOffset() == textBox->start())
@@ skipping 126 matching lines @@
   }
 
   if (!didStartTextFragment)
     return;
 
   // Close last open fragment, if needed.
   recordTextFragment(textBox);
 }
 
 }  // namespace blink