Do not load extension system in the Profile import process.

content/public/test/test_launcher.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 "content/public/test/test_launcher.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 619 matching lines @@
 
 const char kGTestFilterFlag[] = "gtest_filter";
 const char kGTestHelpFlag[]   = "gtest_help";
 const char kGTestListTestsFlag[] = "gtest_list_tests";
 const char kGTestRepeatFlag[] = "gtest_repeat";
 const char kGTestRunDisabledTestsFlag[] = "gtest_also_run_disabled_tests";
 const char kGTestOutputFlag[] = "gtest_output";
 
 const char kHelpFlag[]   = "help";
 
-const char kLaunchAsBrowser[] = "as-browser";
-
 // See kManualTestPrefix above.
 const char kRunManualTestsFlag[] = "run-manual";
 
 const char kSingleProcessTestsFlag[]   = "single_process";
 
 const char kWarmupFlag[] = "warmup";
 
 
 TestLauncherDelegate::~TestLauncherDelegate() {
 }
 
 bool ShouldRunContentMain() {
 #if defined(OS_WIN) || defined(OS_LINUX)
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   return command_line->HasSwitch(switches::kProcessType) ||
-         command_line->HasSwitch(kLaunchAsBrowser);
+         command_line->HasSwitch(switches::kLaunchAsBrowser);
 #else
   return false;
 #endif  // defined(OS_WIN) || defined(OS_LINUX)
 }
 
 int RunContentMain(int argc, char** argv,
                    TestLauncherDelegate* launcher_delegate) {
 #if defined(OS_WIN)
   sandbox::SandboxInterfaceInfo sandbox_info = {0};
   InitializeSandboxInfo(&sandbox_info);
@@ skipping 105 matching lines @@
       cycles--;
   }
   return exit_code;
 }
 
 TestLauncherDelegate* GetCurrentTestLauncherDelegate() {
   return g_launcher_delegate;
 }
 
 }  // namespace content