Ensure that data doesn't leak between users on cros chrome crash.

chrome/test/ui/ui_test.cc

 // Copyright (c) 2006-2009 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.h"
 
 #include <set>
 #include <vector>
 
 #include "app/sql/connection.h"
@@ skipping 31 matching lines @@
 
 using base::TimeTicks;
 
 // Delay to let browser complete a requested action.
 static const int kWaitForActionMsec = 2000;
 static const int kWaitForActionMaxMsec = 10000;
 // Command execution timeout passed to AutomationProxy.
 static const int kCommandExecutionTimeout = 30000;
 // Delay to let the browser shut down before trying more brutal methods.
 static const int kWaitForTerminateMsec = 30000;
+// Passed as value of kTestType.
+static const char kUITestType[] = "ui";
 
 const wchar_t UITestBase::kFailedNoCrashService[] =
 #if defined(OS_WIN)
     L"NOTE: This test is expected to fail if crash_service.exe is not "
     L"running. Start it manually before running this test (see the build "
     L"output directory).";
 #elif defined(OS_LINUX)
     L"NOTE: This test is expected to fail if breakpad is not built in "
     L"or if chromium is not running headless (try CHROME_HEADLESS=1).";
 #else
@@ skipping 1008 matching lines @@
       command_line.AppendLooseValue(flags[i]);
   }
 
   // No first-run dialogs, please.
   command_line.AppendSwitch(switches::kNoFirstRun);
 
   // No default browser check, it would create an info-bar (if we are not the
   // default browser) that could conflicts with some tests expectations.
   command_line.AppendSwitch(switches::kNoDefaultBrowserCheck);
 
+  // This is a UI test.
+  command_line.AppendSwitchWithValue(switches::kTestType,
+                                     ASCIIToWide(kUITestType));
+
   // We need cookies on file:// for things like the page cycler.
   if (enable_file_cookies_)
     command_line.AppendSwitch(switches::kEnableFileCookies);
 
   if (dom_automation_enabled_)
     command_line.AppendSwitch(switches::kDomAutomationController);
 
   if (include_testing_id_) {
     if (use_existing_browser) {
       // TODO(erikkay): The new switch depends on a browser instance already
@@ skipping 414 matching lines @@
     set_ui_test_name(ASCIIToWide(test_name));
   }
   UITestBase::SetUp();
   PlatformTest::SetUp();
 }
 
 void UITest::TearDown() {
   UITestBase::TearDown();
   PlatformTest::TearDown();
 }