Add a new entry to omnibox_event.proto to log specific type of contextual suggestions

components/omnibox/browser/omnibox_metrics_provider.cc

Index: components/omnibox/browser/omnibox_metrics_provider.cc
diff --git a/components/omnibox/browser/omnibox_metrics_provider.cc b/components/omnibox/browser/omnibox_metrics_provider.cc
index 202dfce07dea75f1df60c30ab690e9e445b7422c..ab18455e47c462a1bf1f97426453af0661f43c07 100644
--- a/components/omnibox/browser/omnibox_metrics_provider.cc
+++ b/components/omnibox/browser/omnibox_metrics_provider.cc
@@ -154,11 +154,15 @@ void OmniboxMetricsProvider::RecordOmniboxOpenedURL(const OmniboxLog& log) {
   for (AutocompleteResult::const_iterator i(log.result.begin());
        i != log.result.end(); ++i) {
     OmniboxEventProto::Suggestion* suggestion = omnibox_event->add_suggestion();
-    suggestion->set_provider(i->provider->AsOmniboxEventProviderType());
+    const auto provider_type = i->provider->AsOmniboxEventProviderType();
+    suggestion->set_provider(provider_type);
     suggestion->set_result_type(AsOmniboxEventResultType(i->type));
     suggestion->set_relevance(i->relevance);
     if (i->typed_count != -1)
       suggestion->set_typed_count(i->typed_count);
+    if (i->specific_type_identifier > 0) {

[Mark P, 2017/03/23 22:49:53]

nit: chromium style is no { } necessary for single-line clauses after an "if".

[gcomanici, 2017/03/24 16:24:59]

Done.

+      suggestion->set_specific_type_identifier(i->specific_type_identifier);
+    }
   }
   for (ProvidersInfo::const_iterator i(log.providers_info.begin());
        i != log.providers_info.end(); ++i) {