Add method for identifying different InfoBars

chrome/browser/android/banners/app_banner_infobar_delegate_android.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/banners/app_banner_infobar_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/guid.h"
 #include "base/location.h"
@@ skipping 144 matching lines @@
 void AppBannerInfoBarDelegateAndroid::SendBannerAccepted(
     content::WebContents* web_contents,
     const std::string& platform) {
   web_contents->GetMainFrame()->Send(
       new ChromeViewMsg_AppBannerAccepted(
           web_contents->GetMainFrame()->GetRoutingID(),
           event_request_id_,
           platform));
 }
 
+infobars::InfoBarDelegate::InfoBarIdentifier
+AppBannerInfoBarDelegateAndroid::GetIdentifier() const {
+  return APP_BANNER_INFOBAR_DELEGATE_ANDROID;
+}
+
 gfx::Image AppBannerInfoBarDelegateAndroid::GetIcon() const {
   return gfx::Image::CreateFrom1xBitmap(*app_icon_.get());
 }
 
 void AppBannerInfoBarDelegateAndroid::InfoBarDismissed() {
   has_user_interaction_ = true;
 
   content::WebContents* web_contents =
       InfoBarService::WebContentsFromInfoBar(infobar());
   if (!web_contents)
@@ skipping 112 matching lines @@
 
   TrackDismissEvent(DISMISS_EVENT_BANNER_CLICK);
   return true;
 }
 
 bool RegisterAppBannerInfoBarDelegateAndroid(JNIEnv* env) {
  return RegisterNativesImpl(env);
 }
 
 }  // namespace banners