Add ContextualSuggestionsService to Omnibox

components/omnibox/browser/autocomplete_provider_client.h

Index: components/omnibox/browser/autocomplete_provider_client.h
diff --git a/components/omnibox/browser/autocomplete_provider_client.h b/components/omnibox/browser/autocomplete_provider_client.h
index 63e818b115f4532205fac7c7ad7d35ea1b9dcb2c..cf8c399640b2c85444faf4163d92b0457f4c6751 100644
--- a/components/omnibox/browser/autocomplete_provider_client.h
+++ b/components/omnibox/browser/autocomplete_provider_client.h
@@ -29,6 +29,10 @@ namespace bookmarks {
 class BookmarkModel;
 }
 
+namespace contextual_suggestions {
+class ContextualSuggestionsService;
+}
+
 namespace history {
 class HistoryService;
 class URLDatabase;
@@ -60,6 +64,8 @@ class AutocompleteProviderClient {
   virtual InMemoryURLIndex* GetInMemoryURLIndex() = 0;
   virtual TemplateURLService* GetTemplateURLService() = 0;
   virtual const TemplateURLService* GetTemplateURLService() const = 0;
+  virtual contextual_suggestions::ContextualSuggestionsService*
+  GetContextualSuggestionsService() const = 0;
   virtual const SearchTermsData& GetSearchTermsData() const = 0;
   virtual scoped_refptr<ShortcutsBackend> GetShortcutsBackend() = 0;
   virtual scoped_refptr<ShortcutsBackend> GetShortcutsBackendIfExists() = 0;