Cleanup: Remove an unused parameter in StartupBrowserCreator.

chrome/browser/printing/cloud_print/test/cloud_print_proxy_process_browsertest.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.
 
 // Create a service process that uses a Mock to respond to the browser in order
 // to test launching the browser using the cloud print policy check command
 // line switch.
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 304 matching lines @@
   void ShutdownAndWaitForExitWithTimeout(base::Process process);
 
   // IPC::Listener implementation
   bool OnMessageReceived(const IPC::Message& message) override { return false; }
   void OnChannelConnected(int32 peer_pid) override;
 
   // MultiProcessTest implementation.
   base::CommandLine MakeCmdLine(const std::string& procname) override;
 
   bool LaunchBrowser(const base::CommandLine& command_line, Profile* profile) {
-    int return_code = 0;
     StartupBrowserCreator browser_creator;
     return StartupBrowserCreator::ProcessCmdLineImpl(
         command_line, base::FilePath(), false, profile,
-        StartupBrowserCreator::Profiles(), &return_code, &browser_creator);
+        StartupBrowserCreator::Profiles(), &browser_creator);
   }
 
  protected:
   content::TestBrowserThreadBundle thread_bundle_;
   base::ScopedTempDir temp_user_data_dir_;
 
   std::string startup_channel_id_;
   scoped_ptr<IPC::ChannelProxy> startup_channel_;
   scoped_ptr<ChromeContentClient> content_client_;
   scoped_ptr<chrome::ChromeContentBrowserClient> browser_content_client_;
@@ skipping 278 matching lines @@
   // condition.
   if (should_run_loop)
     run_loop.Run();
 
   EXPECT_EQ("", prefs->GetString(prefs::kCloudPrintEmail));
 
   ShutdownAndWaitForExitWithTimeout(process.Pass());
   content::RunAllPendingInMessageLoop();
   profile_manager.DeleteTestingProfile("StartBrowserWithPolicy");
 }