Check if a PWA is installed before checking the service worker and icon.

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 <utility>
 
 #include "base/android/jni_android.h"
@@ skipping 89 matching lines @@
     const JavaParamRef<jobject>& obj,
     const JavaParamRef<jobject>& japp_data,
     const JavaParamRef<jstring>& japp_title,
     const JavaParamRef<jstring>& japp_package,
     const JavaParamRef<jstring>& jicon_url) {
   native_app_data_.Reset(japp_data);
   app_title_ = ConvertJavaStringToUTF16(env, japp_title);
   native_app_package_ = ConvertJavaStringToUTF8(env, japp_package);
   icon_url_ = GURL(ConvertJavaStringToUTF8(env, jicon_url));
 
+  if (!CheckIfShouldShowBanner())
+    return false;
+
   return ManifestIconDownloader::Download(
       web_contents(), icon_url_, GetIdealIconSizeInPx(),
       GetMinimumIconSizeInPx(),
       base::Bind(&AppBannerManager::OnAppIconFetched, GetWeakPtr()));
 }
 
 void AppBannerManagerAndroid::RequestAppBanner(const GURL& validated_url,
                                                bool is_debug_mode) {
   JNIEnv* env = base::android::AttachCurrentThread();
   if (!Java_AppBannerManager_isEnabledForTab(env, java_banner_manager_))
@@ skipping 205 matching lines @@
 }
 
 // static
 void SetTotalEngagementToTrigger(JNIEnv* env,
                                  const JavaParamRef<jclass>& clazz,
                                  jdouble engagement) {
   AppBannerSettingsHelper::SetTotalEngagementToTrigger(engagement);
 }
 
 }  // namespace banners