Implement experimental app banner flow.

chrome/browser/android/banners/app_banner_manager_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_manager_android.h"
 
 #include <memory>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 222 matching lines @@
   primary_icon_ = bitmap;
   SendBannerPromptRequest();
 }
 
 void AppBannerManagerAndroid::ResetCurrentPageData() {
   AppBannerManager::ResetCurrentPageData();
   native_app_data_.Reset();
   native_app_package_ = "";
 }
 
-void AppBannerManagerAndroid::ShowBanner() {
+void AppBannerManagerAndroid::ShowBannerUI() {
   content::WebContents* contents = web_contents();
   DCHECK(contents);
 
   if (native_app_data_.is_null()) {
     if (AppBannerInfoBarDelegateAndroid::Create(
             contents, GetWeakPtr(), app_title_,
             CreateShortcutInfo(manifest_url_, manifest_, primary_icon_url_,
                                badge_icon_url_, can_install_webapk_),
             primary_icon_, badge_icon_, event_request_id(), can_install_webapk_,
             webapk::INSTALL_SOURCE_BANNER)) {
@@ skipping 118 matching lines @@
 }
 
 // static
 void SetTotalEngagementToTrigger(JNIEnv* env,
                                  const JavaParamRef<jclass>& clazz,
                                  jdouble engagement) {
   AppBannerSettingsHelper::SetTotalEngagementToTrigger(engagement);
 }
 
 }  // namespace banners