Implement server-suggested update check backoff

chrome/browser/android/webapk/webapk_update_manager.cc

Index: chrome/browser/android/webapk/webapk_update_manager.cc
diff --git a/chrome/browser/android/webapk/webapk_update_manager.cc b/chrome/browser/android/webapk/webapk_update_manager.cc
index 835cb6027da09514bbf304fe94893f97f56e7aab..e3d00aba233c0c7ba85387f4828f3e752faecdf5 100644
--- a/chrome/browser/android/webapk/webapk_update_manager.cc
+++ b/chrome/browser/android/webapk/webapk_update_manager.cc
@@ -28,9 +28,10 @@ bool WebApkUpdateManager::Register(JNIEnv* env) {
 }
 
 // static
-void WebApkUpdateManager::OnBuiltWebApk(const std::string& id,
-                                        bool success,
-                                        const std::string& webapk_package) {
+void WebApkUpdateManager::OnBuiltWebApk(
+    const std::string& id,
+    bool success,
+    const WebApkInstallService::FinishCallbackData& data) {
   JNIEnv* env = base::android::AttachCurrentThread();
 
   if (success) {
@@ -42,7 +43,8 @@ void WebApkUpdateManager::OnBuiltWebApk(const std::string& id,
 
   base::android::ScopedJavaLocalRef<jstring> java_id =
       base::android::ConvertUTF8ToJavaString(env, id);
-  Java_WebApkUpdateManager_onBuiltWebApk(env, java_id.obj(), success);
+  Java_WebApkUpdateManager_onBuiltWebApk(
+      env, java_id.obj(), success, data.infrequent_updates);
 }
 
 // static JNI method.
@@ -112,10 +114,11 @@ static void UpdateAsync(
   ConvertJavaStringToUTF8(env, java_webapk_package, &webapk_package);
 
   WebApkInstallService* install_service = WebApkInstallService::Get(profile);
+  WebApkInstallService::FinishCallbackData data = {"", false};
   if (install_service->IsInstallInProgress(info.manifest_url)) {
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
-        base::Bind(&WebApkUpdateManager::OnBuiltWebApk, id, false, ""));
+        base::Bind(&WebApkUpdateManager::OnBuiltWebApk, id, false, data));
     return;
   }
   install_service->UpdateAsync(