Remove pointless InProcessBrowserTest calls.

chrome/browser/chromeos/arc/auth/arc_robot_auth_code_fetcher_browsertest.cc

 // Copyright 2016 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 <memory>
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 55 matching lines @@
 }
 
 }  // namespace
 
 class ArcRobotAuthCodeFetcherBrowserTest : public InProcessBrowserTest {
  protected:
   ArcRobotAuthCodeFetcherBrowserTest() = default;
   ~ArcRobotAuthCodeFetcherBrowserTest() override = default;
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
-    InProcessBrowserTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII(policy::switches::kDeviceManagementUrl,
                                     "http://localhost");
     arc::SetArcAvailableCommandLineForTesting(command_line);
   }
 
   void SetUpOnMainThread() override {
     interceptor_ = base::MakeUnique<policy::TestRequestInterceptor>(
         "localhost", content::BrowserThread::GetTaskRunnerForThread(
                          content::BrowserThread::IO));
 
@@ skipping 88 matching lines @@
 
   auto robot_fetcher = base::MakeUnique<ArcRobotAuthCodeFetcher>();
   FetchAuthCode(robot_fetcher.get(), &fetch_success, &auth_code);
 
   EXPECT_FALSE(fetch_success);
   // Use EXPECT_EQ for better logging in case of failure.
   EXPECT_EQ(std::string(), auth_code);
 }
 
 }  // namespace arc