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

third_party/WebKit/Source/core/layout/compositing/CompositingRequirementsUpdater.cpp

 /*
  * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2014 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 20 matching lines @@
 #include "core/paint/PaintLayer.h"
 #include "core/paint/PaintLayerStackingNode.h"
 #include "core/paint/PaintLayerStackingNodeIterator.h"
 #include "platform/instrumentation/tracing/TraceEvent.h"
 
 namespace blink {
 
 class OverlapMapContainer {
  public:
   void add(const IntRect& bounds) {
-    m_layerRects.append(bounds);
+    m_layerRects.push_back(bounds);
     m_boundingBox.unite(bounds);
   }
 
   bool overlapsLayers(const IntRect& bounds) const {
     // Checking with the bounding box will quickly reject cases when
     // layers are created for lists of items going in one direction and
     // never overlap with each other.
     if (!bounds.intersects(m_boundingBox))
       return false;
     for (unsigned i = 0; i < m_layerRects.size(); i++) {
@@ skipping 262 matching lines @@
   if (currentRecursionData.m_hasCompositedScrollingAncestor) {
     Vector<size_t> unclippedDescendantsToRemove;
     for (size_t i = 0; i < unclippedDescendants.size(); i++) {
       PaintLayer* unclippedDescendant = unclippedDescendants.at(i);
       // If we've reached the containing block of one of the unclipped
       // descendants, that element is no longer relevant to whether or not we
       // should opt in. Unfortunately we can't easily remove from the list
       // while we're iterating, so we have to store it for later removal.
       if (unclippedDescendant->layoutObject()->containingBlock() ==
           layer->layoutObject()) {
-        unclippedDescendantsToRemove.append(i);
+        unclippedDescendantsToRemove.push_back(i);
         continue;
       }
       if (layer->scrollsWithRespectTo(unclippedDescendant))
         reasonsToComposite |= CompositingReasonAssumedOverlap;
     }
 
     // Remove irrelevant unclipped descendants in reverse order so our stored
     // indices remain valid.
     for (size_t i = 0; i < unclippedDescendantsToRemove.size(); i++) {
       unclippedDescendants.remove(unclippedDescendantsToRemove.at(
           unclippedDescendantsToRemove.size() - i - 1));
     }
 
     if (reasonsToComposite & CompositingReasonOutOfFlowClipping) {
       // TODO(schenney): We only need to promote when the clipParent is not a
       // descendant of the ancestor scroller, which we do not check for here.
       // Hence we might be promoting needlessly.
-      unclippedDescendants.append(layer);
+      unclippedDescendants.push_back(layer);
     }
   }
 
   const IntRect& absBounds = hasCompositedScrollingAncestor
                                  ? layer->unclippedAbsoluteBoundingBox()
                                  : layer->clippedAbsoluteBoundingBox();
   absoluteDescendantBoundingBox = absBounds;
   if (currentRecursionData.m_testingOverlap &&
       !requiresCompositingOrSquashing(directReasons)) {
     bool overlaps =
@@ skipping 185 matching lines @@
     descendantHas3DTransform |=
         anyDescendantHas3DTransform || layer->has3DTransform();
   }
 
   // At this point we have finished collecting all reasons to composite this
   // layer.
   layer->setCompositingReasons(reasonsToComposite);
 }
 
 }  // namespace blink