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 235dab3f0e8b2eb842b52493e64f3fb4ae8bcd84..06b3e162ceea44f8cb3b485cf75ae08ab2ff8be4 100644
--- a/chrome/browser/android/webapk/webapk_update_manager.cc
+++ b/chrome/browser/android/webapk/webapk_update_manager.cc
@@ -30,7 +30,8 @@ bool WebApkUpdateManager::Register(JNIEnv* env) {
 // static
 void WebApkUpdateManager::OnBuiltWebApk(const std::string& id,
                                         bool success,
-                                        const std::string& webapk_package) {
+                                        const std::string& webapk_package,
+                                        bool less_updates) {

[dominickn, 2017/02/14 04:13:34]

relax_updates

[Xi Han, 2017/02/14 22:25:47]

Done.

   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,
+                                         less_updates);
 }
 
 // static JNI method.
@@ -116,7 +118,7 @@ static void UpdateAsync(
   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, "", false));

[dominickn, 2017/02/14 04:13:34]

Can you annotate the bool arguments here with an inline comment explaining what
they are?

[Xi Han, 2017/02/14 22:25:47]

Done.

     return;
   }
   install_service->UpdateAsync(