cc: Consolidate LayerList types.

cc/layers/layer_iterator_unittest.cc

Index: cc/layers/layer_iterator_unittest.cc
diff --git a/cc/layers/layer_iterator_unittest.cc b/cc/layers/layer_iterator_unittest.cc
index cb2b5b1f44bb952772ee8746019812b8c34442d0..15567e4868269c46d723d7631b174a9eeaad7296 100644
--- a/cc/layers/layer_iterator_unittest.cc
+++ b/cc/layers/layer_iterator_unittest.cc
@@ -50,15 +50,15 @@ class TestLayer : public Layer {
   EXPECT_EQ(itself, layer->count_representing_itself_);
 
 typedef LayerIterator<Layer,
-                      std::vector<scoped_refptr<Layer> >,
+                      LayerList,
                       RenderSurface,
                       LayerIteratorActions::FrontToBack> FrontToBack;
 typedef LayerIterator<Layer,
-                      std::vector<scoped_refptr<Layer> >,
+                      LayerList,
                       RenderSurface,
                       LayerIteratorActions::BackToFront> BackToFront;
 
-void ResetCounts(std::vector<scoped_refptr<Layer> >* render_surface_layerList) {
+void ResetCounts(LayerList* render_surface_layerList) {
   for (unsigned surface_index = 0;
        surface_index < render_surface_layerList->size();
        ++surface_index) {
@@ -84,7 +84,7 @@ void ResetCounts(std::vector<scoped_refptr<Layer> >* render_surface_layerList) {
 }
 
 void IterateFrontToBack(
-    std::vector<scoped_refptr<Layer> >* render_surface_layerList) {
+    LayerList* render_surface_layerList) {
   ResetCounts(render_surface_layerList);
   int count = 0;
   for (FrontToBack it = FrontToBack::Begin(render_surface_layerList);
@@ -101,7 +101,7 @@ void IterateFrontToBack(
 }
 
 void IterateBackToFront(
-    std::vector<scoped_refptr<Layer> >* render_surface_layerList) {
+    LayerList* render_surface_layerList) {
   ResetCounts(render_surface_layerList);
   int count = 0;
   for (BackToFront it = BackToFront::Begin(render_surface_layerList);
@@ -118,7 +118,7 @@ void IterateBackToFront(
 }
 
 TEST(LayerIteratorTest, EmptyTree) {
-  std::vector<scoped_refptr<Layer> > render_surface_layerList;
+  LayerList render_surface_layerList;
 
   IterateBackToFront(&render_surface_layerList);
   IterateFrontToBack(&render_surface_layerList);
@@ -138,7 +138,7 @@ TEST(LayerIteratorTest, SimpleTree) {
   root_layer->AddChild(third);
   root_layer->AddChild(fourth);
 
-  std::vector<scoped_refptr<Layer> > render_surface_layerList;
+  LayerList render_surface_layerList;
   LayerTreeHostCommon::CalculateDrawProperties(root_layer.get(),
                                                root_layer->bounds(),
                                                1,
@@ -184,7 +184,7 @@ TEST(LayerIteratorTest, ComplexTree) {
   root22->AddChild(root221);
   root23->AddChild(root231);
 
-  std::vector<scoped_refptr<Layer> > render_surface_layerList;
+  LayerList render_surface_layerList;
   LayerTreeHostCommon::CalculateDrawProperties(root_layer.get(),
                                                root_layer->bounds(),
                                                1,
@@ -245,7 +245,7 @@ TEST(LayerIteratorTest, ComplexTreeMultiSurface) {
   root23->SetOpacity(0.5f);
   root23->AddChild(root231);
 
-  std::vector<scoped_refptr<Layer> > render_surface_layerList;
+  LayerList render_surface_layerList;
   LayerTreeHostCommon::CalculateDrawProperties(root_layer.get(),
                                                root_layer->bounds(),
                                                1,