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

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

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/layout/Grid.h"
 
 #include "core/layout/LayoutGrid.h"
 
 namespace blink {
 
@@ skipping 36 matching lines @@
   m_smallestRowStart = rowStart;
   m_smallestColumnStart = columnStart;
 }
 
 int Grid::smallestTrackStart(GridTrackSizingDirection direction) const {
   return direction == ForRows ? m_smallestRowStart : m_smallestColumnStart;
 }
 
 GridArea Grid::gridItemArea(const LayoutBox& item) const {
   DCHECK(m_gridItemArea.contains(&item));
-  return m_gridItemArea.get(&item);
+  return m_gridItemArea.at(&item);
 }
 
 void Grid::setGridItemArea(const LayoutBox& item, GridArea area) {
   m_gridItemArea.set(&item, area);
 }
 
 size_t Grid::gridItemPaintOrder(const LayoutBox& item) const {
-  return m_gridItemsIndexesMap.get(&item);
+  return m_gridItemsIndexesMap.at(&item);
 }
 
 void Grid::setGridItemPaintOrder(const LayoutBox& item, size_t order) {
   m_gridItemsIndexesMap.set(&item, order);
 }
 
 const GridCell& Grid::cell(size_t row, size_t column) const {
   return m_grid[row][column];
 }
 
@@ skipping 157 matching lines @@
       // Advance the iterator to avoid an infinite loop where we would return
       // the same grid area over and over.
       ++varyingTrackIndex;
       return result;
     }
   }
   return nullptr;
 }
 
 }  // namespace blink