Extensions: Send the tab id to platform apps.

chrome/browser/extensions/extension_tab_util.h

Index: chrome/browser/extensions/extension_tab_util.h
===================================================================
--- chrome/browser/extensions/extension_tab_util.h	(revision 246091)
+++ chrome/browser/extensions/extension_tab_util.h	(working copy)
@@ -70,6 +70,10 @@
       TabStripModel* tab_strip,
       int tab_index);
 
+  // Creates a Tab object with only the tab id for platform apps.

[not at google - send to devlin, 2014/01/23 16:41:59]

If you did the filtering on the renderer would you need this? These tab values
aren't actually exposed to the app so it doesn't really matter what value they
have, right, only that the tab ID is propagated back through to the API call.

[Lei Zhang, 2014/01/23 20:53:12]

If I did the filtering on the renderer side, then this is not needed.

+  static base::DictionaryValue* CreateTabValueForPlatformApp(
+      const content::WebContents* web_contents);
+
   // Removes any privacy-sensitive fields from a Tab object if appropriate,
   // given the permissions of the extension and the tab in question.  The
   // tab_info object is modified in place.