Migrate WTF::Vector::append() to ::push_back() [part 9 of N]

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

 // Copyright 2015 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/ColumnBalancer.h"
 
 #include "core/layout/LayoutMultiColumnFlowThread.h"
 #include "core/layout/LayoutMultiColumnSet.h"
 #include "core/layout/api/LineLayoutBlockFlow.h"
 
@@ skipping 274 matching lines @@
   // ends up in the overflow area shouldn't affect column balancing. However, if
   // we're in a nested fragmentation context, we may still need to record all
   // runs, since there'll be no overflow area in the inline direction then, but
   // rather additional rows of columns in multiple outer fragmentainers.
   if (m_contentRuns.size() >= columnSet().usedColumnCount()) {
     const auto* flowThread = columnSet().multiColumnFlowThread();
     if (!flowThread->enclosingFragmentationContext() ||
         columnSet().newFragmentainerGroupsAllowed())
       return;
   }
-  m_contentRuns.append(ContentRun(endOffsetInFlowThread));
+  m_contentRuns.push_back(ContentRun(endOffsetInFlowThread));
 }
 
 unsigned InitialColumnHeightFinder::contentRunIndexWithTallestColumns() const {
   unsigned indexWithLargestHeight = 0;
   LayoutUnit largestHeight;
   LayoutUnit previousOffset = logicalTopInFlowThread();
   size_t runCount = m_contentRuns.size();
   ASSERT(runCount);
   for (size_t i = firstContentRunIndexInLastRow(); i < runCount; i++) {
     const ContentRun& run = m_contentRuns[i];
@@ skipping 176 matching lines @@
   if (group.columnLogicalTopForOffset(lineTopInFlowThread) !=
       group.columnLogicalTopForOffset(lineBottomWithOverflow)) {
     LayoutUnit shortage =
         lineBottomWithOverflow -
         group.columnLogicalTopForOffset(lineBottomWithOverflow);
     recordSpaceShortage(shortage);
   }
 }
 
 }  // namespace blink