Cleanup: remove use_existing_browser infrastructure from ui_test.

chrome/test/ui/ui_test_suite.cc

 // Copyright (c) 2010 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/test/ui/ui_test_suite.h"
 
 #include <string>
 
 #include "base/env_var.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "chrome/common/env_vars.h"
 
-// Force a test to use an already running browser instance. UI tests only.
-const char UITestSuite::kUseExistingBrowser[] = "use-existing-browser";
-
 // Timeout for the test in milliseconds.  UI tests only.
 const char UITestSuite::kTestTimeout[] = "test-timeout";
 
 // Parameters to run test in parallel.  UI tests only.
 const char UITestSuite::kBatchCount[] = "batch-count";
 const char UITestSuite::kBatchIndex[] = "batch-index";
 const char UITestSuite::kGTestTotalShards[] = "GTEST_TOTAL_SHARDS=";
 const char UITestSuite::kGTestShardIndex[] = "GTEST_SHARD_INDEX=";
 
 
 UITestSuite::UITestSuite(int argc, char** argv)
     : ChromeTestSuite(argc, argv) {
 #if defined(OS_WIN)
   crash_service_ = NULL;
 #endif
 }
 
 void UITestSuite::Initialize() {
   ChromeTestSuite::Initialize();
 
   const CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
   UITest::set_in_process_renderer(
       parsed_command_line.HasSwitch(switches::kSingleProcess));
   UITest::set_no_sandbox(
       parsed_command_line.HasSwitch(switches::kNoSandbox));
   UITest::set_full_memory_dump(
       parsed_command_line.HasSwitch(switches::kFullMemoryCrashReport));
   UITest::set_safe_plugins(
       parsed_command_line.HasSwitch(switches::kSafePlugins));
-  UITest::set_use_existing_browser(
-      parsed_command_line.HasSwitch(UITestSuite::kUseExistingBrowser));
   UITest::set_dump_histograms_on_exit(
       parsed_command_line.HasSwitch(switches::kDumpHistogramsOnExit));
   UITest::set_enable_dcheck(
       parsed_command_line.HasSwitch(switches::kEnableDCHECK));
   UITest::set_silent_dump_on_dcheck(
       parsed_command_line.HasSwitch(switches::kSilentDumpOnDCHECK));
   UITest::set_disable_breakpad(
       parsed_command_line.HasSwitch(switches::kDisableBreakpad));
   std::wstring test_timeout =
       parsed_command_line.GetSwitchValue(UITestSuite::kTestTimeout);
@@ skipping 77 matching lines @@
   if (!base::LaunchApp(crash_service.ToWStringHack(), false, false,
                        &crash_service_)) {
     printf("Couldn't start crash_service.exe, so this ui_test run won't tell " \
            "you if any test crashes!\n");
     return;
   }
 
   printf("Started crash_service.exe so you know if a test crashes!\n");
 }
 #endif