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

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

 /*
  * Copyright (C) 2013 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 1328 matching lines @@
   if (childrenInline()) {
     LayoutUnit changeLogicalTop = LayoutUnit::max();
     LayoutUnit changeLogicalBottom = LayoutUnit::min();
     if (m_floatingObjects) {
       const FloatingObjectSet& floatingObjectSet = m_floatingObjects->set();
       FloatingObjectSetIterator end = floatingObjectSet.end();
       for (FloatingObjectSetIterator it = floatingObjectSet.begin(); it != end;
            ++it) {
         const FloatingObject& floatingObject = *it->get();
         FloatingObject* oldFloatingObject =
-            floatMap.get(floatingObject.layoutObject());
+            floatMap.at(floatingObject.layoutObject());
         LayoutUnit logicalBottom = logicalBottomForFloat(floatingObject);
         if (oldFloatingObject) {
           LayoutUnit oldLogicalBottom =
               logicalBottomForFloat(*oldFloatingObject);
           if (logicalWidthForFloat(floatingObject) !=
                   logicalWidthForFloat(*oldFloatingObject) ||
               logicalLeftForFloat(floatingObject) !=
                   logicalLeftForFloat(*oldFloatingObject)) {
             changeLogicalTop = LayoutUnit();
             changeLogicalBottom = std::max(
@@ skipping 3245 matching lines @@
   return LayoutBlock::invalidatePaintIfNeeded(paintInvalidationState);
 }
 
 void LayoutBlockFlow::invalidateDisplayItemClients(
     PaintInvalidationReason invalidationReason) const {
   BlockFlowPaintInvalidator(*this).invalidateDisplayItemClients(
       invalidationReason);
 }
 
 }  // namespace blink