Fix no-compile base_unittests for base::Pass() -> std::move conversion

base/memory/scoped_ptr_unittest.nc

Index: base/memory/scoped_ptr_unittest.nc
diff --git a/base/memory/scoped_ptr_unittest.nc b/base/memory/scoped_ptr_unittest.nc
index ebbfdb69a8dd091c615218cb0f98d189f1a9b724..c176dbe55499635fecf6bcd200b8645f6510e528 100644
--- a/base/memory/scoped_ptr_unittest.nc
+++ b/base/memory/scoped_ptr_unittest.nc
@@ -25,7 +25,7 @@ class RefCountedClass : public base::RefCountedThreadSafe<RefCountedClass> {
 #if defined(NCTEST_NO_PASS_DOWNCAST)  // [r"fatal error: no viable conversion from returned value of type 'scoped_ptr<\(anonymous namespace\)::Parent, default_delete<\(anonymous namespace\)::Parent>>' to function return type 'scoped_ptr<\(anonymous namespace\)::Child, default_delete<\(anonymous namespace\)::Child>>'"]
 
 scoped_ptr<Child> DowncastUsingPassAs(scoped_ptr<Parent> object) {
-  return object.Pass();
+  return std::move(object);

[dcheng, 2015/12/31 10:24:53]

#include <utility>

[tzik, 2015/12/31 11:10:46]

Done.

 }
 
 #elif defined(NCTEST_NO_REF_COUNTED_SCOPED_PTR)  // [r"fatal error: static_assert failed \"T is a refcounted type and needs a scoped_refptr\""]
@@ -46,7 +46,7 @@ void WontCompile() {
 void WontCompile() {
   scoped_ptr<int[]> a;
   scoped_ptr<int*> b;
-  b = a.Pass();
+  b = std::move(a);
 }
 
 #elif defined(NCTEST_NO_PASS_TO_ARRAY)  // [r"fatal error: no viable overloaded '='"]
@@ -54,21 +54,21 @@ void WontCompile() {
 void WontCompile() {
   scoped_ptr<int*> a;
   scoped_ptr<int[]> b;
-  b = a.Pass();
+  b = std::move(a);
 }
 
 #elif defined(NCTEST_NO_CONSTRUCT_FROM_ARRAY)  // [r"fatal error: no matching constructor for initialization of 'scoped_ptr<int \*>'"]
 
 void WontCompile() {
   scoped_ptr<int[]> a;
-  scoped_ptr<int*> b(a.Pass());
+  scoped_ptr<int*> b(std::move(a));
 }
 
 #elif defined(NCTEST_NO_CONSTRUCT_TO_ARRAY)  // [r"fatal error: no matching constructor for initialization of 'scoped_ptr<int \[\]>'"]
 
 void WontCompile() {
   scoped_ptr<int*> a;
-  scoped_ptr<int[]> b(a.Pass());
+  scoped_ptr<int[]> b(std::move(a));
 }
 
 #elif defined(NCTEST_NO_CONSTRUCT_SCOPED_PTR_ARRAY_FROM_NULL)  // [r"is ambiguous"]