Refactor tabs API handlers out of AccessibilityApiHandler.

chrome/browser/resources/chromeos/chromevox2/chromevox.gyp

 # Copyright 2014 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.
 
 {
   'conditions': [
     ['chromeos==1 and disable_nacl==0 and disable_nacl_untrusted==0', {
       'includes': [ '../chromevox/common.gypi', ],
       'targets': [
         {
           'target_name': 'chromevox2',
           'type': 'none',
           'dependencies': [
             'chromevox2_copied_scripts',
             'chromevox2_deps',
             'chromevox2_manifest',
             'chromevox2_guest_manifest',
             'chromevox2_resources',
             '../chromevox/chromevox.gyp:chromevox_resources',
           ],
         },
         {
           'target_name': 'chromevox2_copied_scripts',
           'type': 'none',
           'variables': {
             'dest_dir': '<(chromevox_dest_dir)',
-            'js_root_flags': [
-              '-r', '.',
-              '-r', '<(closure_goog_dir)',
-            ],
           },
           'sources': [
             'cvox2/background/loader.js',
           ],
           'includes': [ '../chromevox/copy_js.gypi', ],
         },
         {
           'target_name': 'chromevox2_deps',
           'type': 'none',
           'variables': {
@@ skipping 30 matching lines @@
           'variables': {
             'output_manifest_path': '<(chromevox_dest_dir)/manifest_guest.json',
             'is_guest_manifest': 1,
           },
           'includes': [ '../chromevox/generate_manifest.gypi', ],
         },
       ],
     }],
   ],
 }