Mac: Autofill should not immediately request access to address book.

components/autofill/content/renderer/autofill_agent.cc

Index: components/autofill/content/renderer/autofill_agent.cc
diff --git a/components/autofill/content/renderer/autofill_agent.cc b/components/autofill/content/renderer/autofill_agent.cc
index bcc9a4a75d3457dac6f241c266ae79ab467e4371..bfd57318c9f13d512fb7bd52fe1c9eeebd51e093 100644
--- a/components/autofill/content/renderer/autofill_agent.cc
+++ b/components/autofill/content/renderer/autofill_agent.cc
@@ -150,6 +150,7 @@ AutofillAgent::~AutofillAgent() {}
 bool AutofillAgent::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(AutofillAgent, message)
+    IPC_MESSAGE_HANDLER(AutofillMsg_Ping, OnPing)
     IPC_MESSAGE_HANDLER(AutofillMsg_FillForm, OnFillForm)
     IPC_MESSAGE_HANDLER(AutofillMsg_PreviewForm, OnPreviewForm)
     IPC_MESSAGE_HANDLER(AutofillMsg_FieldTypePredictionsAvailable,
@@ -454,6 +455,10 @@ void AutofillAgent::OnFillForm(int query_id, const FormData& form) {
                                                    base::TimeTicks::Now()));
 }
 
+void AutofillAgent::OnPing() {
+  Send(new AutofillHostMsg_PingAck(routing_id()));
+}
+
 void AutofillAgent::OnPreviewForm(int query_id, const FormData& form) {
   if (!render_view()->GetWebView() || query_id != autofill_query_id_)
     return;