Convert JsonWriter::Write to taking a const ref for the in-param

chrome/browser/extensions/api/permissions/permissions_api_helpers.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 "chrome/browser/extensions/api/permissions/permissions_api_helpers.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/values.h"
 #include "chrome/common/extensions/api/permissions.h"
@@ skipping 33 matching lines @@
 
   permissions->permissions.reset(new std::vector<std::string>());
   for (APIPermissionSet::const_iterator i = set->apis().begin();
        i != set->apis().end(); ++i) {
     scoped_ptr<base::Value> value(i->ToValue());
     if (!value) {
       permissions->permissions->push_back(i->name());
     } else {
       std::string name(i->name());
       std::string json;
-      base::JSONWriter::Write(value.get(), &json);
+      base::JSONWriter::Write(*value, &json);
       permissions->permissions->push_back(name + kDelimiter + json);
     }
   }
 
   // TODO(rpaquay): We currently don't expose manifest permissions
   // to apps/extensions via the permissions API.
 
   permissions->origins.reset(new std::vector<std::string>());
   URLPatternSet hosts = set->explicit_hosts();
   for (URLPatternSet::const_iterator i = hosts.begin(); i != hosts.end(); ++i)
@@ skipping 83 matching lines @@
       origins.AddPattern(origin);
     }
   }
 
   return scoped_refptr<PermissionSet>(
       new PermissionSet(apis, manifest_permissions, origins, URLPatternSet()));
 }
 
 }  // namespace permissions_api_helpers
 }  // namespace extensions