Valgrind: Clean up leaks in callers to extension_function_test_utils::RunFunction.

chrome/browser/extensions/api/socket/socket_api_unittest.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 "base/values.h"
 #include "chrome/browser/browser_process_impl.h"
 #include "chrome/browser/extensions/api/socket/socket_api.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
 #include "chrome/browser/extensions/test_extension_system.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ skipping 14 matching lines @@
     TestExtensionSystem* system = static_cast<TestExtensionSystem*>(
         ExtensionSystem::Get(browser()->profile()));
     system->CreateSocketManager();
 
     extension_ = utils::CreateEmptyExtensionWithLocation(
         extensions::Extension::LOAD);
   }
 
   base::Value* RunFunctionWithExtension(
       UIThreadExtensionFunction* function, const std::string& args) {
+    scoped_refptr<UIThreadExtensionFunction> delete_function(function);
     function->set_extension(extension_.get());
     return utils::RunFunctionAndReturnSingleResult(function, args, browser());
   }
 
   base::DictionaryValue* RunFunctionAndReturnDict(
       UIThreadExtensionFunction* function, const std::string& args) {
     base::Value* result = RunFunctionWithExtension(function, args);
     return result ? utils::ToDictionary(result) : NULL;
   }
 
@@ skipping 29 matching lines @@
     ASSERT_TRUE(result.get());
   }
   {
     std::string error = RunFunctionAndReturnError(
         new SocketCreateFunction(), "[\"nonexistent-socket-type\"]");
     ASSERT_FALSE(error.empty()) << "Expected error. Got nothing instead.";
   }
 }
 
 }  // namespace extensions