base: Use std::move() instead of Pass() for real movable types.

base/containers/scoped_ptr_map.h

 // Copyright 2015 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.
 
 #ifndef BASE_CONTAINERS_SCOPED_PTR_MAP_H_
 #define BASE_CONTAINERS_SCOPED_PTR_MAP_H_
 
 #include <functional>
 #include <map>
 #include <utility>
@@ skipping 98 matching lines @@
 
   // Like |erase()|, but returns the element instead of deleting it.
   ScopedPtr take_and_erase(const_iterator position) {
     DCHECK(position != end());
     if (position == end())
       return ScopedPtr();
 
     ScopedPtr ret(position->second);
     // Key-based lookup (cannot use const_iterator overload in C++03 library).
     data_.erase(position->first);
-    return ret.Pass();
+    return ret;
   }
 
   // Like |erase()|, but returns the element instead of deleting it.
   ScopedPtr take_and_erase(const Key& k) {
     typename Container::iterator it = data_.find(k);
     if (it == end())
       return ScopedPtr();
 
     ScopedPtr ret(it->second);
     data_.erase(it);
-    return ret.Pass();
+    return ret;
   }
 
  private:
   Container data_;
 
   typename Container::iterator ConstIteratorToIterator(const_iterator it) {
     // This is the only way to convert a const iterator to a non-const iterator
     // in C++03 (get the key and do the lookup again).
     if (it == data_.end())
       return data_.end();
     return data_.find(it->first);
   };
 };
 
 }  // namespace base
 
 #endif  // BASE_CONTAINERS_SCOPED_PTR_MAP_H_