cc: Consolidate LayerList types.

cc/layers/layer_unittest.cc

 // Copyright 2011 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 "cc/layers/layer.h"
 
 #include "cc/animation/keyframed_animation_curve.h"
 #include "cc/base/math_util.h"
 #include "cc/base/thread.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 374 matching lines @@
   EXPECT_FALSE(child3_->parent());
 }
 
 TEST_F(LayerTest, SetChildren) {
   scoped_refptr<Layer> old_parent = Layer::Create();
   scoped_refptr<Layer> new_parent = Layer::Create();
 
   scoped_refptr<Layer> child1 = Layer::Create();
   scoped_refptr<Layer> child2 = Layer::Create();
 
-  std::vector<scoped_refptr<Layer> > new_children;
+  LayerList new_children;
   new_children.push_back(child1);
   new_children.push_back(child2);
 
   // Set up and verify initial test conditions: child1 has a parent, child2 has
   // no parent.
   old_parent->AddChild(child1);
   ASSERT_EQ(0U, new_parent->children().size());
   EXPECT_EQ(old_parent.get(), child1->parent());
   EXPECT_FALSE(child2->parent());
 
@@ skipping 596 matching lines @@
   layer->SetLayerTreeHost(layer_tree_host.get());
   AssertLayerTreeHostMatchesForSubtree(layer.get(), layer_tree_host.get());
 
   // Case 3: with a LayerTreeHost where accelerated animation is disabled, the
   // animation should be rejected.
   EXPECT_FALSE(AddTestAnimation(layer.get()));
 }
 
 }  // namespace
 }  // namespace cc