Add tab status to accessibility labels

chrome/browser/ui/views/frame/browser_view.cc

Index: chrome/browser/ui/views/frame/browser_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index d31ac99ae903b9296a4609cd19f2951544232288..0c5cfc1effa1d1982a252650e76b991725f13b6d 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -1595,12 +1595,64 @@ base::string16 BrowserView::GetWindowTitle() const {
 
 base::string16 BrowserView::GetAccessibleWindowTitle() const {
   const bool include_app_name = false;
+  Tab* current_tab =
+      tabstrip_->tab_at(browser_->tab_strip_model()->active_index());
+
   if (IsIncognito()) {
     return l10n_util::GetStringFUTF16(
         IDS_ACCESSIBLE_INCOGNITO_WINDOW_TITLE_FORMAT,
-        browser_->GetWindowTitleForCurrentTab(include_app_name));
+        GetAccessibleTabLabel(include_app_name, current_tab->data()));
+  }
+  return GetAccessibleTabLabel(include_app_name, current_tab->data());
+}
+
+base::string16 BrowserView::GetAccessibleTabLabel(
+    bool include_app_name,
+    const TabRendererData& data) const {
+  base::string16 window_title =
+      browser_->GetWindowTitleForCurrentTab(include_app_name);
+  base::string16 tab_label;
+  if (data.IsCrashed()) {
+    // Tab has crashed.
+    tab_label = l10n_util::GetStringFUTF16(IDS_TAB_AX_LABEL_CRASHED_FORMAT,
+                                           window_title);
+  } else if (data.network_state == TabRendererData::NETWORK_STATE_ERROR) {
+    // Network error interstitial.
+    tab_label = l10n_util::GetStringFUTF16(
+        IDS_TAB_AX_LABEL_NETWORK_ERROR_FORMAT, window_title);
+  } else {
+    // Alert tab states.
+    switch (data.alert_state) {
+      case TabAlertState::AUDIO_PLAYING:
+        tab_label = l10n_util::GetStringFUTF16(
+            IDS_TAB_AX_LABEL_AUDIO_PLAYING_FORMAT, window_title);
+        break;
+      case TabAlertState::USB_CONNECTED:
+        tab_label = l10n_util::GetStringFUTF16(
+            IDS_TAB_AX_LABEL_USB_CONNECTED_FORMAT, window_title);
+        break;
+      case TabAlertState::BLUETOOTH_CONNECTED:
+        tab_label = l10n_util::GetStringFUTF16(
+            IDS_TAB_AX_LABEL_BLUETOOTH_CONNECTED_FORMAT, window_title);
+        break;
+      case TabAlertState::MEDIA_RECORDING:
+        tab_label = l10n_util::GetStringFUTF16(
+            IDS_TAB_AX_LABEL_MEDIA_RECORDING_FORMAT, window_title);
+        break;
+      case TabAlertState::AUDIO_MUTING:
+        tab_label = l10n_util::GetStringFUTF16(
+            IDS_TAB_AX_LABEL_AUDIO_MUTING_FORMAT, window_title);
+        break;
+      case TabAlertState::TAB_CAPTURING:
+        tab_label = l10n_util::GetStringFUTF16(
+            IDS_TAB_AX_LABEL_TAB_CAPTURING_FORMAT, window_title);
+        break;
+      case TabAlertState::NONE:
+        tab_label = window_title;
+        break;
+    }
   }
-  return browser_->GetWindowTitleForCurrentTab(include_app_name);
+  return tab_label;
 }
 
 views::View* BrowserView::GetInitiallyFocusedView() {