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

third_party/WebKit/Source/core/layout/line/RootInlineBox.cpp

 /*
  * Copyright (C) 2003, 2006, 2008 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 499 matching lines @@
   m_lineBreakPos = breakPos;
   m_lineBreakBidiStatusEor = status.eor;
   m_lineBreakBidiStatusLastStrong = status.lastStrong;
   m_lineBreakBidiStatusLast = status.last;
   m_lineBreakContext = status.context;
 }
 
 EllipsisBox* RootInlineBox::ellipsisBox() const {
   if (!hasEllipsisBox())
     return nullptr;
-  return gEllipsisBoxMap->get(this);
+  return gEllipsisBoxMap->at(this);
 }
 
 void RootInlineBox::removeLineBoxFromLayoutObject() {
   block().lineBoxes()->removeLineBox(this);
 }
 
 void RootInlineBox::extractLineBoxFromLayoutObject() {
   block().lineBoxes()->extractLineBox(this);
 }
 
@@ skipping 244 matching lines @@
   }
   endBox = nullptr;
   return nullptr;
 }
 
 const char* RootInlineBox::boxName() const {
   return "RootInlineBox";
 }
 
 }  // namespace blink