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

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

Index: third_party/WebKit/Source/core/layout/LayoutBlock.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
index 2c7f1e610b4f8f2415cbb455396d0d10254d77c9..9875c6b5a02efa29f95d638a0e1509f6bf38eb38 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
@@ -1060,7 +1060,7 @@ void LayoutBlock::removePositionedObjects(
       if (p)
         p->setChildNeedsLayout();
 
-      deadObjects.append(positionedObject);
+      deadObjects.push_back(positionedObject);
     }
   }
 
@@ -1871,7 +1871,7 @@ void LayoutBlock::addOutlineRects(
     const LayoutPoint& additionalOffset,
     IncludeBlockVisualOverflowOrNot includeBlockOverflows) const {
   if (!isAnonymous())  // For anonymous blocks, the children add outline rects.
-    rects.append(LayoutRect(additionalOffset, size()));
+    rects.push_back(LayoutRect(additionalOffset, size()));
 
   if (includeBlockOverflows == IncludeBlockVisualOverflow &&
       !hasOverflowClip() && !hasControlClip()) {