InstantExtended: record initial focus state for omnibox interactions.

chrome/browser/autocomplete/autocomplete_input.h

Index: chrome/browser/autocomplete/autocomplete_input.h
diff --git a/chrome/browser/autocomplete/autocomplete_input.h b/chrome/browser/autocomplete/autocomplete_input.h
index 00708724e8a88eaf0147b5cc778603f84447cb30..0ebc17d148af05e3b4cc8bbf2419b93e5227d105 100644
--- a/chrome/browser/autocomplete/autocomplete_input.h
+++ b/chrome/browser/autocomplete/autocomplete_input.h
@@ -58,11 +58,16 @@ class AutocompleteInput {
     // Note that if the homepage is set to the new tab page or about blank,
     // then we'll classify the web page into those categories, not HOMEPAGE.
     OTHER = 4,          // everything not included somewhere else on this list
-    INSTANT_NEW_TAB_PAGE = 5,  // new tab page rendered by Instant
     // The user is on a search result page that's doing search term
     // replacement, meaning the search terms should've appeared in the omnibox
     // before the user started editing it, not the URL of the page.
-    SEARCH_RESULT_PAGE_DOING_SEARCH_TERM_REPLACEMENT = 6
+    SEARCH_RESULT_PAGE_DOING_SEARCH_TERM_REPLACEMENT = 6,
+    // The new tab page in which this omnibox interaction first started
+    // with the user having focus in the omnibox.
+    INSTANT_NEW_TAB_PAGE_WITH_OMNIBOX_AS_STARTING_FOCUS = 7,
+    // The new tab page in which this omnibox interaction first started
+    // with the user having focus in the fakebox.
+    INSTANT_NEW_TAB_PAGE_WITH_FAKEBOX_AS_STARTING_FOCUS = 8,
   };
 
   AutocompleteInput();