Remove implicit scoped_refptr operator T*

ppapi/thunk/ppb_file_chooser_thunk.cc

 // 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.
 
 #include "ppapi/c/dev/ppb_file_chooser_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/trusted/ppb_file_chooser_trusted.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/ppb_file_chooser_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 PP_Resource Create(PP_Instance instance,
                    PP_FileChooserMode_Dev mode,
                    struct PP_Var accept_types) {
   EnterResourceCreation enter(instance);
   if (enter.failed())
     return 0;
   scoped_refptr<StringVar> string_var =
       StringVar::FromPPVar(accept_types);
-  std::string str = string_var ? string_var->value() : std::string();
+  std::string str = string_var.get() ? string_var->value() : std::string();
   return enter.functions()->CreateFileChooser(instance, mode, str.c_str());
 }
 
 PP_Bool IsFileChooser(PP_Resource resource) {
   EnterResource<PPB_FileChooser_API> enter(resource, false);
   return PP_FromBool(enter.succeeded());
 }
 
 int32_t Show0_5(PP_Resource chooser, PP_CompletionCallback callback) {
   EnterResource<PPB_FileChooser_API> enter(chooser, callback, true);
@@ skipping 75 matching lines @@
 const PPB_FileChooserTrusted_0_5* GetPPB_FileChooserTrusted_0_5_Thunk() {
   return &g_ppb_file_chooser_trusted_0_5_thunk;
 }
 
 const PPB_FileChooserTrusted_0_6* GetPPB_FileChooserTrusted_0_6_Thunk() {
   return &g_ppb_file_chooser_trusted_0_6_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi