[ash-md] Uses 'Chrome - <title>' format for browser windows in overview

chrome/browser/ui/cocoa/browser_window_cocoa.mm

Index: chrome/browser/ui/cocoa/browser_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_cocoa.mm b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
index 1fc240f94b6104094421675d66aa1d21ece22c22..b51b8b10643c1d39ee8225d4e2840baf06d87378 100644
--- a/chrome/browser/ui/cocoa/browser_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
@@ -308,16 +308,20 @@ void BrowserWindowCocoa::UpdateTitleBar() {
 }
 
 NSString* BrowserWindowCocoa::WindowTitle() {
+  const bool accessible = false;
   if (alert_state_ == TabAlertState::AUDIO_PLAYING) {
     return l10n_util::GetNSStringF(IDS_WINDOW_AUDIO_PLAYING_MAC,
-                                   browser_->GetWindowTitleForCurrentTab(),
+                                   browser_->GetWindowTitleForCurrentTab(
+                                       accessible),
                                    base::SysNSStringToUTF16(@"🔊"));
   } else if (alert_state_ == TabAlertState::AUDIO_MUTING) {
     return l10n_util::GetNSStringF(IDS_WINDOW_AUDIO_MUTING_MAC,
-                                   browser_->GetWindowTitleForCurrentTab(),
+                                   browser_->GetWindowTitleForCurrentTab(
+                                       accessible),
                                    base::SysNSStringToUTF16(@"🔇"));
   }
-  return base::SysUTF16ToNSString(browser_->GetWindowTitleForCurrentTab());
+  return base::SysUTF16ToNSString(
+      browser_->GetWindowTitleForCurrentTab(accessible));
 }
 
 void BrowserWindowCocoa::BookmarkBarStateChanged(