Migrate WTF::Vector::append() to ::push_back() [part 14 of N]

third_party/WebKit/Source/platform/graphics/paint/PaintChunker.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 "platform/graphics/paint/PaintChunker.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 
 namespace blink {
 
@@ skipping 49 matching lines @@
     m_currentChunkId = WTF::nullopt;
   } else {
     behavior = DefaultBehavior;
     if (!item.skippedCache() && m_currentChunkId)
       newChunkId.emplace(*m_currentChunkId);
   }
 
   if (m_chunks.isEmpty()) {
     PaintChunk newChunk(0, 1, newChunkId ? &*newChunkId : nullptr,
                         m_currentProperties);
-    m_chunks.append(newChunk);
-    m_chunkBehavior.append(behavior);
+    m_chunks.push_back(newChunk);
+    m_chunkBehavior.push_back(behavior);
     return true;
   }
 
   auto& lastChunk = m_chunks.back();
   bool canContinueChunk = m_currentProperties == lastChunk.properties &&
                           behavior != RequiresSeparateChunk &&
                           m_chunkBehavior.back() != RequiresSeparateChunk;
   if (canContinueChunk) {
     lastChunk.endIndex++;
     return false;
   }
 
   PaintChunk newChunk(lastChunk.endIndex, lastChunk.endIndex + 1,
                       newChunkId ? &*newChunkId : nullptr, m_currentProperties);
-  m_chunks.append(newChunk);
-  m_chunkBehavior.append(behavior);
+  m_chunks.push_back(newChunk);
+  m_chunkBehavior.push_back(behavior);
   return true;
 }
 
 bool PaintChunker::decrementDisplayItemIndex() {
   DCHECK(RuntimeEnabledFeatures::slimmingPaintV2Enabled());
   DCHECK(!m_chunks.isEmpty());
 
   auto& lastChunk = m_chunks.back();
   if ((lastChunk.endIndex - lastChunk.beginIndex) > 1) {
     lastChunk.endIndex--;
@@ skipping 15 matching lines @@
 Vector<PaintChunk> PaintChunker::releasePaintChunks() {
   Vector<PaintChunk> chunks;
   chunks.swap(m_chunks);
   m_chunkBehavior.clear();
   m_currentChunkId = WTF::nullopt;
   m_currentProperties = PaintChunkProperties();
   return chunks;
 }
 
 }  // namespace blink