Stop passing raw pointers to DictionaryValue::Set, part 1

cc/layers/ui_resource_layer_impl.cc

Index: cc/layers/ui_resource_layer_impl.cc
diff --git a/cc/layers/ui_resource_layer_impl.cc b/cc/layers/ui_resource_layer_impl.cc
index 50d0321fefa7ce1f064704f76641531f8b7b25e9..dd2441bf37bc8a3ad1fd31312310ecde280213e1 100644
--- a/cc/layers/ui_resource_layer_impl.cc
+++ b/cc/layers/ui_resource_layer_impl.cc
@@ -143,17 +143,17 @@ const char* UIResourceLayerImpl::LayerTypeAsString() const {
 std::unique_ptr<base::DictionaryValue> UIResourceLayerImpl::LayerTreeAsJson() {
   std::unique_ptr<base::DictionaryValue> result = LayerImpl::LayerTreeAsJson();
 
-  result->Set("ImageBounds", MathUtil::AsValue(image_bounds_).release());
+  result->Set("ImageBounds", MathUtil::AsValue(image_bounds_));
 
-  base::ListValue* list = new base::ListValue;
+  auto list = base::MakeUnique<base::ListValue>();
   list->AppendDouble(vertex_opacity_[0]);
   list->AppendDouble(vertex_opacity_[1]);
   list->AppendDouble(vertex_opacity_[2]);
   list->AppendDouble(vertex_opacity_[3]);
-  result->Set("VertexOpacity", list);
+  result->Set("VertexOpacity", std::move(list));
 
-  result->Set("UVTopLeft", MathUtil::AsValue(uv_top_left_).release());
-  result->Set("UVBottomRight", MathUtil::AsValue(uv_bottom_right_).release());
+  result->Set("UVTopLeft", MathUtil::AsValue(uv_top_left_));
+  result->Set("UVBottomRight", MathUtil::AsValue(uv_bottom_right_));
 
   return result;
 }