Change tabs + sessions permission warning

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="utf-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 4289 matching lines @@
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_GEOLOCATION" desc="Permisson string for access to geolocation.">
         Detect your physical location
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_MANAGEMENT" desc="Permisson string for access to extension management.">
         Manage your apps, extensions, and themes
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_TABS" desc="Permission string for access to tabs.">
         Access your tabs and browsing activity
       </message>
+      <message name="IDS_EXTENSION_PROMPT_WARNING_TABS_AND_SESSIONS" desc="Permission string for access to both tabs and signed in sessions.">
+        Access your browsing history on all devices you have signed in

[not at google - send to devlin, 2014/06/06 23:45:05]

it looks like we do use the term "signed-in devices" throughout here, so perhaps
this should be "Access your browsing history on all your signed-in devices"

[wjywbs, 2014/06/06 23:52:23]

Done. Can you please update the doc also?

+      </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_DEBUGGER" desc="Permission string for access to debugger.">
         Access the page debugger backend
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_CLIPBOARD" desc="Permission string for access to clipboard.">
         Access data you copy and paste
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_TTS_ENGINE" desc="Permission string for access to text-to-speech.">
         Access all text spoken using synthesized speech
       </message>
       <message name="IDS_EXTENSION_PROMPT_WARNING_CONTENT_SETTINGS" desc="Permission string for access to content settings.">
@@ skipping 9836 matching lines @@
     <message name="IDS_FLAGS_EXTENSION_CONTENT_VERIFICATION_ENFORCE" desc="Description of the 'Extension Content Verification' enforce mode">
       Enforce (try to get hashes, and enforce them if successful)
     </message>
 
     <message name="IDS_FLAGS_EXTENSION_CONTENT_VERIFICATION_ENFORCE_STRICT" desc="Description of the 'Extension Content Verification' enforce strict mode">
       Enforce strict (hard fail if we can't get hashes)
     </message>
   </messages>
   </release>
 </grit>