Simplify ScopedVector<scoped_ptr<T>> to ScopedVector<T>.

tools/gn/function_get_target_outputs_unittest.cc

Index: tools/gn/function_get_target_outputs_unittest.cc
diff --git a/tools/gn/function_get_target_outputs_unittest.cc b/tools/gn/function_get_target_outputs_unittest.cc
index ab89343a22b12e4eca7891c453d814672fe34f55..be46380c39d91b3fb5a71c378b3728e372a1814d 100644
--- a/tools/gn/function_get_target_outputs_unittest.cc
+++ b/tools/gn/function_get_target_outputs_unittest.cc
@@ -65,7 +65,7 @@ TEST_F(GetTargetOutputsTest, Copy) {
   action->action_values().outputs() =
       SubstitutionList::MakeForTest("//out/Debug/{{source_file_part}}.one");
 
-  items_.push_back(new scoped_ptr<Item>(action));
+  items_.push_back(action);
 
   Err err;
   Value result = GetTargetOutputs("//foo:bar", &err);
@@ -80,7 +80,7 @@ TEST_F(GetTargetOutputsTest, Action) {
       "//output1.txt",
       "//output2.txt");
 
-  items_.push_back(new scoped_ptr<Item>(action));
+  items_.push_back(action);
 
   Err err;
   Value result = GetTargetOutputs("//foo:bar", &err);
@@ -96,7 +96,7 @@ TEST_F(GetTargetOutputsTest, ActionForeach) {
       "//out/Debug/{{source_file_part}}.one",
       "//out/Debug/{{source_file_part}}.two");
 
-  items_.push_back(new scoped_ptr<Item>(action));
+  items_.push_back(action);
 
   Err err;
   Value result = GetTargetOutputs("//foo:bar", &err);