Add title to current page in zero suggest.

components/omnibox/browser/zero_suggest_provider.h

Index: components/omnibox/browser/zero_suggest_provider.h
diff --git a/components/omnibox/browser/zero_suggest_provider.h b/components/omnibox/browser/zero_suggest_provider.h
index b682e7b7ebeae82302f574d6d2c916e2b7a9d35a..980f77f9a29c15c65681682311c76aa00be10aed 100644
--- a/components/omnibox/browser/zero_suggest_provider.h
+++ b/components/omnibox/browser/zero_suggest_provider.h
@@ -140,6 +140,9 @@ class ZeroSuggestProvider : public BaseSearchProvider,
   // The URL for which a suggestion fetch is pending.
   std::string current_query_;
 
+  // The title of the page for which a suggestion fetch is pending.
+  base::string16 current_title_;
+
   // The type of page the user is viewing (a search results page doing search
   // term replacement, an arbitrary URL, etc.).
   metrics::OmniboxEventProto::PageClassification current_page_classification_;