Add a ping delay time master preference.

chrome/browser/rlz/rlz.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 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.
 //
 // This code glues the RLZ library DLL with Chrome. It allows Chrome to work
 // with or without the DLL being present. If the DLL is not present the
 // functions do nothing and just return false.
 
 #include "chrome/browser/rlz/rlz.h"
 
 #include <windows.h>
@@ skipping 268 matching lines @@
   bool first_run_;
   DISALLOW_IMPLICIT_CONSTRUCTORS(DelayedInitTask);
 };
 
 }  // namespace
 
 bool RLZTracker::InitRlz(int directory_key) {
   return LoadRLZLibrary(directory_key);
 }
 
-bool RLZTracker::InitRlzDelayed(int directory_key, bool first_run) {
+bool RLZTracker::InitRlzDelayed(int directory_key, bool first_run, int delay) {
+  // Maximum and minimum delay we would allow to be set through master
+  // preferences. Somewhat arbitrary, may need to be adjusted in future.
+  const int kMaxDelay = 200 * 1000;
+  const int kMinDelay = 20 * 1000;
+
+  delay *= 1000;
+  delay = (delay < kMinDelay) ? kMinDelay : delay;
+  delay = (delay > kMaxDelay) ? kMaxDelay : delay;
+
   if (!OmniBoxUsageObserver::used())
     new OmniBoxUsageObserver();
+
   // Schedule the delayed init items.
-  const int kNinetySeconds = 90 * 1000;
   MessageLoop::current()->PostDelayedTask(FROM_HERE,
-      new DelayedInitTask(directory_key, first_run), kNinetySeconds);
+      new DelayedInitTask(directory_key, first_run), delay);
   return true;
 }
 
 bool RLZTracker::RecordProductEvent(Product product, AccessPoint point,
                                     Event event) {
   return (record_event) ? record_event(product, point, event, NULL) : false;
 }
 
 bool RLZTracker::ClearAllProductEvents(Product product) {
   return (clear_all_events) ? clear_all_events(product, NULL) : false;
@@ skipping 20 matching lines @@
     cached_ommibox_rlz.assign(str_rlz);
   }
   *rlz = str_rlz;
   return true;
 }
 
 // static
 void RLZTracker::CleanupRlz() {
   OmniBoxUsageObserver::DeleteInstance();
 }