Implement a poor man's PostAfterStartupTask() function.

chrome/browser/chrome_content_browser_client.cc

 // Copyright (c) 2012 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/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/scoped_file.h"
 #include "base/i18n/icu_util.h"
 #include "base/lazy_instance.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
+#include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/sequenced_worker_pool.h"
+#include "base/time/time.h"
 #include "chrome/browser/browser_about_handler.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_remover.h"
 #include "chrome/browser/character_encoding.h"
+#include "chrome/browser/chrome_browser_main.h"
 #include "chrome/browser/chrome_content_browser_client_parts.h"
 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
 #include "chrome/browser/chrome_quota_permission_context.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/font_family_cache.h"
 #include "chrome/browser/geolocation/chrome_access_token_store.h"
 #include "chrome/browser/geolocation/geolocation_permission_context.h"
@@ skipping 763 matching lines @@
 
 #if defined(USE_X11)
   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 #endif
 
   chrome::AddMetricsExtraParts(main_parts);
 
   return main_parts;
 }
 
+namespace {
+
+void PostAfterStartupTaskImpl(
+    const tracked_objects::Location& from_here,
+    const scoped_refptr<base::TaskRunner>& task_runner,
+    const base::Closure& task) {
+  if (!IsBrowserStartupComplete()) {
+    const int kMinDelay = 5;
+    const int kMaxDelay = 30;
+    task_runner->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(PostAfterStartupTaskImpl, from_here, task_runner, task),
+        base::TimeDelta::FromSeconds(base::RandInt(kMinDelay, kMaxDelay)));
+    return;
+  }
+  task_runner->PostTask(from_here, task);
+}
+
+}  // namespace
+
+void ChromeContentBrowserClient::PostAfterStartupTask(
+    const tracked_objects::Location& from_here,
+    const scoped_refptr<base::TaskRunner>& task_runner,
+    const base::Closure& task) {
+  PostAfterStartupTaskImpl(from_here, task_runner, task);
+}
+
 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
     content::BrowserContext* browser_context,
     const GURL& site) {
   std::string partition_id;
 
   // The partition ID for webview guest processes is the string value of its
   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
   if (site.SchemeIs(content::kGuestScheme)) {
     partition_id = site.spec();
   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
@@ skipping 1819 matching lines @@
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)
 
 }  // namespace chrome