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..53883e6fd71295e66cfaf00d9739b18bb9f96e51 100644
--- a/components/omnibox/browser/autocomplete_provider_client.h
+++ b/components/omnibox/browser/autocomplete_provider_client.h
@@ -9,6 +9,7 @@
 
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
+#include "components/contextual_suggestions/contextual_suggestions_service.h"
 #include "components/history/core/browser/keyword_id.h"
 #include "components/history/core/browser/top_sites.h"
 #include "components/metrics/proto/omnibox_event.pb.h"
@@ -60,6 +61,8 @@ 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;