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

third_party/WebKit/Source/platform/graphics/compositing/PaintArtifactCompositorTest.cpp

 // Copyright 2016 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/compositing/PaintArtifactCompositor.h"
 
 #include "base/test/test_simple_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/layers/layer.h"
 #include "cc/test/fake_compositor_frame_sink.h"
@@ skipping 461 matching lines @@
       propertyTrees().clip_tree.Node(blackLayer->clip_tree_index());
   EXPECT_EQ(cc::ClipNode::ClipType::APPLIES_LOCAL_CLIP, innerClip->clip_type);
   EXPECT_TRUE(innerClip->layers_are_clipped);
   EXPECT_EQ(gfx::RectF(200, 200, 700, 100), innerClip->clip);
   EXPECT_EQ(outerClip->id, innerClip->parent_id);
 }
 
 TEST_F(PaintArtifactCompositorTestWithPropertyTrees, DeeplyNestedClips) {
   Vector<RefPtr<ClipPaintPropertyNode>> clips;
   for (unsigned i = 1; i <= 10; i++) {
-    clips.append(ClipPaintPropertyNode::create(
+    clips.push_back(ClipPaintPropertyNode::create(
         clips.isEmpty() ? ClipPaintPropertyNode::root() : clips.back(),
         TransformPaintPropertyNode::root(),
         FloatRoundedRect(5 * i, 0, 100, 200 - 10 * i)));
   }
 
   TestPaintArtifact artifact;
   artifact
       .chunk(TransformPaintPropertyNode::root(), clips.back(),
              EffectPaintPropertyNode::root())
       .rectDrawing(FloatRect(0, 0, 200, 200), Color::white);
@@ skipping 1058 matching lines @@
   chunk3.properties.propertyTreeState = chunk1.properties.propertyTreeState;
   chunk3.bounds = FloatRect(0, 0, 50, 60);
   chunk3.knownToBeOpaque = true;
   pendingLayer.add(chunk3, nullptr);
 
   // Chunk 3 covers the entire layer, so now it's opaque.
   EXPECT_TRUE(pendingLayer.knownToBeOpaque);
 }
 
 }  // namespace blink