add interface to start first run when voice interaction oobe is completed

chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_arc_home_service.cc

Index: chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_arc_home_service.cc
diff --git a/chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_arc_home_service.cc b/chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_arc_home_service.cc
index 18562003648e07fb73c469f7e30f582e6d25768d..74d8d2da1f8842a4c7620a2349bc33a93da596c7 100644
--- a/chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_arc_home_service.cc
+++ b/chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_arc_home_service.cc
@@ -12,6 +12,7 @@
 #include "base/logging.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/chromeos/first_run/first_run_controller.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
@@ -111,6 +112,11 @@ void ArcVoiceInteractionArcHomeService::GetVoiceInteractionStructure(
       base::Bind(&RequestVoiceInteractionStructureCallback, callback));
 }
 
+void ArcVoiceInteractionArcHomeService::OnVoiceInteractionOobeSetupComplete() {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+  chromeos::FirstRunController::Start();

[xc, 2017/05/18 18:36:20]

Need to use chromeos::first_run::MaybeLaunchDialogAfterSessionStart avoid firing
many times if the user skipped during initial OOBE but comes back later.

+}
+
 // static
 mojom::VoiceInteractionStructurePtr
 ArcVoiceInteractionArcHomeService::CreateVoiceInteractionStructureForTesting(