Added a quick heuristic to determine which objects are the target of in-page links and stop ignorin…

content/browser/accessibility/browser_accessibility_win.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 "content/browser/accessibility/browser_accessibility_win.h"
 
 #include <UIAutomationClient.h>
 #include <UIAutomationCoreApi.h>
 
 #include <algorithm>
@@ skipping 5320 matching lines @@
 
   base::string16 html_tag = GetString16Attribute(
       ui::AX_ATTR_HTML_TAG);
   switch (GetRole()) {
     case ui::AX_ROLE_ALERT:
       ia_role = ROLE_SYSTEM_ALERT;
       break;
     case ui::AX_ROLE_ALERT_DIALOG:
       ia_role = ROLE_SYSTEM_DIALOG;
       break;
+    case ui::AX_ROLE_ANCHOR:

[David Tseng, 2017/04/03 17:20:18]

Note that ChromeVox needs something like this in
chrome/browser/resources/chromeos/chromevox/cvox2/background/output.js

Specifically, add a block like
anchor: {
  speak: '$name @internal_link $state $description'
}

I can follow up with this or you can include it in this cl. Thanks!

+      ia_role = ROLE_SYSTEM_LINK;
+      break;
     case ui::AX_ROLE_APPLICATION:
       ia_role = ROLE_SYSTEM_APPLICATION;
       break;
     case ui::AX_ROLE_ARTICLE:
       ia_role = ROLE_SYSTEM_DOCUMENT;
       ia_state |= STATE_SYSTEM_READONLY;
       break;
     case ui::AX_ROLE_AUDIO:
       ia_role = ROLE_SYSTEM_GROUPING;
       break;
@@ skipping 482 matching lines @@
   return static_cast<BrowserAccessibilityWin*>(obj);
 }
 
 const BrowserAccessibilityWin*
 ToBrowserAccessibilityWin(const BrowserAccessibility* obj) {
   DCHECK(!obj || obj->IsNative());
   return static_cast<const BrowserAccessibilityWin*>(obj);
 }
 
 }  // namespace content