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

base/containers/scoped_ptr_hash_map.h

 // Copyright 2013 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_HASH_MAP_H_
 #define BASE_CONTAINERS_SCOPED_PTR_HASH_MAP_H_
 
 #include <algorithm>
 #include <utility>
 
@@ skipping 64 matching lines @@
     return 1;
   }
 
   ScopedPtr take(iterator it) {
     DCHECK(it != data_.end());
     if (it == data_.end())
       return ScopedPtr();
 
     ScopedPtr ret(it->second);
     it->second = NULL;
-    return ret.Pass();
+    return ret;
   }
 
   ScopedPtr take(const Key& k) {
     iterator it = find(k);
     if (it == data_.end())
       return ScopedPtr();
 
     return take(it);
   }
 
   ScopedPtr take_and_erase(iterator it) {
     DCHECK(it != data_.end());
     if (it == data_.end())
       return ScopedPtr();
 
     ScopedPtr ret(it->second);
     data_.erase(it);
-    return ret.Pass();
+    return ret;
   }
 
   ScopedPtr take_and_erase(const Key& k) {
     iterator it = find(k);
     if (it == data_.end())
       return ScopedPtr();
 
     return take_and_erase(it);
   }
 
@@ skipping 49 matching lines @@
 
  private:
   Container data_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedPtrHashMap);
 };
 
 }  // namespace base
 
 #endif  // BASE_CONTAINERS_SCOPED_PTR_HASH_MAP_H_