Prevent mouse from getting stuck on second display in login

ash/test/ash_test_base.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 "ash/test/ash_test_base.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/ash_switches.h"
@@ skipping 66 matching lines @@
     content::BrowserContext* browser_context,
     content::SiteInstance* site_instance) {
   return content::WebContentsTester::CreateTestWebContents(browser_context,
                                                            site_instance);
 }
 
 /////////////////////////////////////////////////////////////////////////////
 
 AshTestBase::AshTestBase()
     : setup_called_(false),
-      teardown_called_(false) {
+      teardown_called_(false),
+      start_session_(true) {
   // Must initialize |ash_test_helper_| here because some tests rely on
   // AshTestBase methods before they call AshTestBase::SetUp().
   ash_test_helper_.reset(new AshTestHelper(base::MessageLoopForUI::current()));
 }
 
 AshTestBase::~AshTestBase() {
   CHECK(setup_called_)
       << "You have overridden SetUp but never called AshTestBase::SetUp";
   CHECK(teardown_called_)
       << "You have overridden TearDown but never called AshTestBase::TearDown";
 }
 
 void AshTestBase::SetUp() {
   setup_called_ = true;
   // TODO(jamescook): Can we do this without changing command line?
   // Use the origin (1,1) so that it doesn't over
   // lap with the native mouse cursor.
   CommandLine::ForCurrentProcess()->AppendSwitchASCII(
       switches::kAshHostWindowBounds, "1+1-800x600");
 #if defined(OS_WIN)
   aura::test::SetUsePopupAsRootWindowForTest(true);
 #endif
   ui::InitializeInputMethodForTesting();
 
-  ash_test_helper_->SetUp();
+  ash_test_helper_->SetUp(start_session_);
 
   Shell::GetPrimaryRootWindow()->Show();
   Shell::GetPrimaryRootWindow()->ShowRootWindow();
   // Move the mouse cursor to far away so that native events doesn't
   // interfere test expectations.
   Shell::GetPrimaryRootWindow()->MoveCursorTo(gfx::Point(-1000, -1000));
   ash::Shell::GetInstance()->cursor_manager()->EnableMouseEvents();
 
 #if defined(OS_WIN)
   if (base::win::GetVersion() >= base::win::VERSION_WIN8 &&
@@ skipping 194 matching lines @@
 
 void AshTestBase::UnblockUserSession() {
   Shell::GetInstance()->session_state_delegate()->UnlockScreen();
   SetSessionStarted(true);
   SetUserAddingScreenRunning(false);
 }
 
 
 }  // namespace test
 }  // namespace ash