Update ppapi/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

ppapi/proxy/serialized_var.h

 // Copyright (c) 2012 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 PPAPI_PROXY_SERIALIZED_VAR_H_
 #define PPAPI_PROXY_SERIALIZED_VAR_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 86 matching lines @@
   friend class SerializedVarTestConstructor;
   friend class SerializedVarVectorReceiveInput;
 
   class PPAPI_PROXY_EXPORT Inner : public base::RefCounted<Inner> {
    public:
     Inner();
     Inner(VarSerializationRules* serialization_rules);
     ~Inner();
 
     VarSerializationRules* serialization_rules() {
-      return serialization_rules_;
+      return serialization_rules_.get();
     }
     void set_serialization_rules(VarSerializationRules* serialization_rules) {
       serialization_rules_ = serialization_rules;
     }
 
     RawVarDataGraph* raw_var_data() {
       return raw_var_data_.get();
     }
 
     // See outer class's declarations above.
@@ skipping 352 matching lines @@
  public:
   explicit SerializedVarTestReader(const SerializedVar& var);
 
   PP_Var GetVar() const { return inner_->GetVar(); }
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_SERIALIZED_VAR_H_