Add RetainedRef uses where needed.

base/bind_helpers.h

Index: base/bind_helpers.h
diff --git a/base/bind_helpers.h b/base/bind_helpers.h
index 81dba6d8433fe604ce153a82f56aba50a437d949..d19c749438c8fa3617dfe4e9f5e8216d2032df03 100644
--- a/base/bind_helpers.h
+++ b/base/bind_helpers.h
@@ -431,11 +431,6 @@ const T& Unwrap(ConstRefWrapper<T> const_ref) {
 }
 
 template <typename T>
-T* Unwrap(const scoped_refptr<T>& o) {
-  return o.get();
-}
-
-template <typename T>

[Nico, 2016/03/18 21:01:01]

I'd land this bit in a different CL, so that it can be reverted independently of
the rest in case this breaks some obscure bot

[vmpstr, 2016/03/18 22:20:23]

Good idea. I've separated this. 

 T* Unwrap(const RetainedRefWrapper<T>& o) {
   return o.get();
 }