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

third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp

 /*
  * Copyright (C) 2011 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 900 matching lines @@
     if (childLayoutType == NeverLayout)
       return LayoutUnit();
 
     updateBlockChildDirtyBitsBeforeLayout(childLayoutType == ForceLayout,
                                           child);
     if (child.needsLayout() || childLayoutType == ForceLayout ||
         !m_intrinsicSizeAlongMainAxis.contains(&child)) {
       child.forceChildLayout();
       cacheChildMainSize(child);
     }
-    mainAxisExtent = m_intrinsicSizeAlongMainAxis.get(&child);
+    mainAxisExtent = m_intrinsicSizeAlongMainAxis.at(&child);
   } else {
     // We don't need to add scrollbarLogicalWidth here because the preferred
     // width includes the scrollbar, even for overflow: auto.
     mainAxisExtent = child.maxPreferredLogicalWidth();
   }
   DCHECK_GE(mainAxisExtent - mainAxisBorderAndPadding, LayoutUnit())
       << mainAxisExtent << " - " << mainAxisBorderAndPadding;
   return mainAxisExtent - mainAxisBorderAndPadding;
 }
 
@@ skipping 1234 matching lines @@
       LayoutUnit originalOffset =
           lineContexts[lineNumber].crossAxisOffset - crossAxisStartEdge;
       LayoutUnit newOffset =
           contentExtent - originalOffset - lineCrossAxisExtent;
       adjustAlignmentForChild(*flexItem.box, newOffset - originalOffset);
     }
   }
 }
 
 }  // namespace blink