InstantExtended: Add new_tab_url to TemplateURL.

chrome/browser/search_engines/prepopulated_engines_schema.json

Index: chrome/browser/search_engines/prepopulated_engines_schema.json
diff --git a/chrome/browser/search_engines/prepopulated_engines_schema.json b/chrome/browser/search_engines/prepopulated_engines_schema.json
index 893e5656ae8b01c40b44257c90f46c060387a712..6a153a41085c2eecc6a681b3961b71325ce1b432 100644
--- a/chrome/browser/search_engines/prepopulated_engines_schema.json
+++ b/chrome/browser/search_engines/prepopulated_engines_schema.json
@@ -42,6 +42,8 @@
     { "field": "suggest_url_post_params", "type": "string", "optional": true },
     { "field": "instant_url_post_params", "type": "string", "optional": true },
     { "field": "image_url_post_params", "type": "string", "optional": true },
+    // If omitted, this engine does not support rendering a new tab page.
+    { "field": "new_tab_url", "type": "string", "optional": true },

[samarth, 2013/08/13 23:47:59]

I don't see a need for new_tab_url_post_params but all the other URLs have
one...

[Jered, 2013/08/14 15:41:49]

Hrm I'm not sure. I don't anticipate ever wanting to post data to the ntp. Peter
do we need this for some reason?

     // A list of URL patterns that can be used, in addition to |search_url|,
     // to extract search terms from a URL.
     // If "search_url_post_params" is not empty, then all alternate URLs are