oobe a11y: Add a test to verify profile switch during user login.

Profile switches between signin and user during the login. Accessibility
manager should correctly switch the profile.

Also reeanbled OobeSpokenFeedbackTest on MSAN. It's already filtered out
by chromeos.msan.browser_tests.oobe_(positive|negative).filter files.

Bug: 1108996
Change-Id: Ic586f7172e26bd965c42a9a566005fd872a69697
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2474696
Commit-Queue: Roman Sorokin [CET] <rsorokin@chromium.org>
Reviewed-by: David Tseng <dtseng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817861}

chrome/browser/chromeos/accessibility/spoken_feedback_browsertest.cc

@@ -23,7 +23,12 @@
 #include "build/build_config.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
+#include "chrome/browser/chromeos/login/screens/sync_consent_screen.h"
+#include "chrome/browser/chromeos/login/test/device_state_mixin.h"
+#include "chrome/browser/chromeos/login/test/login_manager_mixin.h"
 #include "chrome/browser/chromeos/login/test/oobe_base_test.h"
+#include "chrome/browser/chromeos/profiles/profile_helper.h"
+#include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/aura/accessibility/automation_manager_aura.h"
 #include "chrome/browser/ui/browser.h"
@@ -33,6 +38,7 @@
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/test/base/interactive_test_utils.h"
 #include "chrome/test/base/ui_test_utils.h"
+#include "chromeos/constants/chromeos_features.h"
 #include "chromeos/constants/chromeos_switches.h"
 #include "components/user_manager/user_names.h"
 #include "content/public/browser/browser_task_traits.h"
@@ -936,13 +942,7 @@ class OobeSpokenFeedbackTest : public OobeBaseTest {
   DISALLOW_COPY_AND_ASSIGN(OobeSpokenFeedbackTest);
 };
 
-#if defined(MEMORY_SANITIZER)
-// Times out under MSan: https://crbug.com/1071693
-#define MAYBE_SpokenFeedbackInOobe DISABLED_SpokenFeedbackInOobe
-#else
-#define MAYBE_SpokenFeedbackInOobe SpokenFeedbackInOobe
-#endif
-IN_PROC_BROWSER_TEST_F(OobeSpokenFeedbackTest, MAYBE_SpokenFeedbackInOobe) {
+IN_PROC_BROWSER_TEST_F(OobeSpokenFeedbackTest, SpokenFeedbackInOobe) {
   ui_controls::EnableUIControls();
   ASSERT_FALSE(AccessibilityManager::Get()->IsSpokenFeedbackEnabled());
   AccessibilityManager::Get()->EnableSpokenFeedback(true);
@@ -960,4 +960,45 @@ IN_PROC_BROWSER_TEST_F(OobeSpokenFeedbackTest, MAYBE_SpokenFeedbackInOobe) {
   sm_.Replay();
 }
 
+class SigninToUserProfileSwitchTest : public OobeSpokenFeedbackTest {
+ public:
+  // OobeSpokenFeedbackTest:
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    OobeSpokenFeedbackTest::SetUpCommandLine(command_line);
+    // Force the help app to launch in the background.
+    command_line->AppendSwitch(switches::kForceFirstRunUI);
+  }
+
+ protected:
+  LoginManagerMixin login_manager_{&mixin_host_};
+  DeviceStateMixin device_state_{
+      &mixin_host_, DeviceStateMixin::State::OOBE_COMPLETED_UNOWNED};
+};
+
+// Verifies that spoken feedback correctly handles profile switch (signin ->
+// user) and announces the sync consent screen correctly.
+IN_PROC_BROWSER_TEST_F(SigninToUserProfileSwitchTest, LoginAsNewUser) {
+  // Force sync screen.
+  auto reset = SyncConsentScreen::ForceBrandedBuildForTesting(true);
+  AccessibilityManager::Get()->EnableSpokenFeedback(true);
+  sm_.ExpectSpeechPattern("*");
+
+  sm_.Call([this]() {
+    ASSERT_EQ(chromeos::AccessibilityManager::Get()->profile(),
+              ProfileHelper::GetSigninProfile());
+    login_manager_.LoginAsNewRegularUser();
+  });
+
+  std::string button_title =
+      features::IsSplitSettingsSyncEnabled() ? "Got it" : "Accept and continue";
+  sm_.ExpectSpeech(button_title);
+
+  // Check that profile switched to the active user.
+  sm_.Call([]() {
+    ASSERT_EQ(chromeos::AccessibilityManager::Get()->profile(),
+              ProfileManager::GetActiveUserProfile());
+  });
+  sm_.Replay();
+}
+
 }  // namespace chromeos