Implement server-suggested update check backoff

chrome/browser/android/webapk/webapk_update_manager.cc

 // Copyright 2016 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/webapk/webapk_update_manager.h"
 
 #include <jni.h>
 
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
@@ skipping 10 matching lines @@
 #include "url/gurl.h"
 
 using base::android::JavaParamRef;
 
 // static
 bool WebApkUpdateManager::Register(JNIEnv* env) {
   return RegisterNativesImpl(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) {
     DVLOG(1)
         << "Sent request to update WebAPK to server. Seems to have worked.";
   } else {
     LOG(WARNING) << "Server request to update WebAPK failed.";
   }
 
   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.
 static void UpdateAsync(
     JNIEnv* env,
     const JavaParamRef<jclass>& clazz,
     const JavaParamRef<jstring>& java_id,
     const JavaParamRef<jstring>& java_start_url,
     const JavaParamRef<jstring>& java_scope,
     const JavaParamRef<jstring>& java_name,
@@ skipping 49 matching lines @@
 
   gfx::JavaBitmap java_bitmap_lock(java_best_icon_bitmap);
   SkBitmap best_icon_bitmap =
       gfx::CreateSkBitmapFromJavaBitmap(java_bitmap_lock);
   best_icon_bitmap.setImmutable();
 
   std::string webapk_package;
   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(
       info, best_icon_bitmap, webapk_package, java_webapk_version,
       icon_url_to_murmur2_hash, java_is_manifest_stale,
       base::Bind(&WebApkUpdateManager::OnBuiltWebApk, id));
 }