Eliminate GoogleURLTracker's dependence on //chrome-level switches

chrome/browser/google/chrome_google_url_tracker_client.cc

Index: chrome/browser/google/chrome_google_url_tracker_client.cc
diff --git a/chrome/browser/google/chrome_google_url_tracker_client.cc b/chrome/browser/google/chrome_google_url_tracker_client.cc
index 541666920ba805f1f0986612ddf63940895ad9d2..5068afece4ca5b0119e16db82f3e6cf758a9a575 100644
--- a/chrome/browser/google/chrome_google_url_tracker_client.cc
+++ b/chrome/browser/google/chrome_google_url_tracker_client.cc
@@ -4,10 +4,12 @@
 
 #include "chrome/browser/google/chrome_google_url_tracker_client.h"
 
+#include "base/command_line.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/google/google_url_tracker.h"
 #include "chrome/browser/google/google_url_tracker_navigation_helper_impl.h"
 #include "chrome/browser/infobars/infobar_service.h"
+#include "chrome/common/chrome_switches.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
@@ -40,6 +42,11 @@ bool ChromeGoogleURLTrackerClient::IsListeningForNavigationStart() {
       content::NotificationService::AllBrowserContextsAndSources());
 }
 
+bool ChromeGoogleURLTrackerClient::IsBackgroundNetworkingEnabled() {
+  return !CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kDisableBackgroundNetworking);
+}
+
 void ChromeGoogleURLTrackerClient::Observe(
     int type,
     const content::NotificationSource& source,