Add tab status to accessibility labels

chrome/browser/ui/browser.cc

 // Copyright 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 "chrome/browser/ui/browser.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 559 matching lines @@
   // window during the window's creation (before tabs have been added).
   favicon::FaviconDriver* favicon_driver =
       web_contents
           ? favicon::ContentFaviconDriver::FromWebContents(web_contents)
           : nullptr;
   return favicon_driver ? favicon_driver->GetFavicon() : gfx::Image();
 }
 
 base::string16 Browser::GetWindowTitleForCurrentTab(
     bool include_app_name) const {
-  WebContents* contents = tab_strip_model_->GetActiveWebContents();
+  return GetWindowTitleFromWebContents(
+      include_app_name, tab_strip_model_->GetActiveWebContents());
+}
+
+base::string16 Browser::GetWindowTitleForTab(bool include_app_name,
+                                             int index) const {
+  return GetWindowTitleFromWebContents(
+      include_app_name, tab_strip_model_->GetWebContentsAt(index));
+}
+
+base::string16 Browser::GetWindowTitleFromWebContents(
+    bool include_app_name,
+    content::WebContents* contents) const {
   base::string16 title;
 
   // |contents| can be NULL because GetWindowTitleForCurrentTab is called by the
   // window during the window's creation (before tabs have been added).
   if (contents) {
     // The web app frame uses the host instead of the title.
     if (ShouldUseWebAppFrame())
       return base::UTF8ToUTF16(contents->GetURL().host());
 
     title = contents->GetTitle();
@@ skipping 2009 matching lines @@
     // new window later, thus we need to navigate the window now.
     if (contents) {
       contents->web_contents()->GetController().LoadURL(
           target_url, content::Referrer(), ui::PAGE_TRANSITION_LINK,
           std::string());  // No extra headers.
     }
   }
 
   return contents != NULL;
 }