Initialize variations seed fetching via OnAppEnterForeground.

chrome/browser/chrome_browser_main.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_browser_main.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 1485 matching lines @@
   // data source is based on the Component Updater.
   translate::BrowserCldUtils::ConfigureDefaultDataProvider();
 
   if (!parsed_command_line().HasSwitch(switches::kDisableComponentUpdate))
     RegisterComponentsForUpdate();
 
 #if defined(OS_ANDROID)
   chrome_variations::VariationsService* variations_service =
       browser_process_->variations_service();
   if (variations_service) {
+    // Just initialize the policy prefs service here. Variations seed fetching
+    // will be initialized when the app enters foreground mode.
     variations_service->set_policy_pref_service(profile_->GetPrefs());
-    variations_service->StartRepeatedVariationsSeedFetch();
   }
   translate::TranslateDownloadManager::RequestLanguageList(
       profile_->GetPrefs());
 
 #else
   // Most general initialization is behind us, but opening a
   // tab and/or session restore and such is still to be done.
   base::TimeTicks browser_open_start = base::TimeTicks::Now();
 
   // We are in regular browser boot sequence. Open initial tabs and enter the
@@ skipping 192 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif
 #endif
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }