Migrate WTF::Vector::append() to ::push_back() [part 12 of N]

third_party/WebKit/Source/core/paint/GridPainter.cpp

 // Copyright 2014 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/paint/GridPainter.h"
 
 #include "core/layout/LayoutGrid.h"
 #include "core/paint/BlockPainter.h"
 #include "core/paint/PaintInfo.h"
 #include <algorithm>
@@ skipping 66 matching lines @@
         lastLine - dirtiedColumns.startLine());
   }
 
   Vector<std::pair<LayoutBox*, size_t>> gridItemsToBePainted;
 
   for (const auto& row : dirtiedRows) {
     for (const auto& column : dirtiedColumns) {
       const Vector<LayoutBox*, 1>& children =
           m_layoutGrid.gridCell(row, column);
       for (auto* child : children)
-        gridItemsToBePainted.append(
+        gridItemsToBePainted.push_back(
             std::make_pair(child, m_layoutGrid.paintIndexForGridItem(child)));
     }
   }
 
   for (auto* item : m_layoutGrid.itemsOverflowingGridArea()) {
     if (item->frameRect().intersects(localVisualRect))
-      gridItemsToBePainted.append(
+      gridItemsToBePainted.push_back(
           std::make_pair(item, m_layoutGrid.paintIndexForGridItem(item)));
   }
 
   std::stable_sort(gridItemsToBePainted.begin(), gridItemsToBePainted.end(),
                    compareOrderModifiedDocumentOrder);
 
   LayoutBox* previous = 0;
   for (const auto& gridItemAndPaintIndex : gridItemsToBePainted) {
     // We might have duplicates because of spanning children are included in all
     // cells they span.  Skip them here to avoid painting items several times.
     LayoutBox* current = gridItemAndPaintIndex.first;
     if (current == previous)
       continue;
 
     BlockPainter(m_layoutGrid)
         .paintAllChildPhasesAtomically(*current, paintInfo, paintOffset);
     previous = current;
   }
 }
 
 }  // namespace blink