Sets correct ActivityLog enabled status to the first renderer process

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index b606a803b26668673c254f8bafe18d9932cce85b..d9d4a9aaaa41d1e966eed00054c88aae47876f14 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -21,6 +21,7 @@
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/devtools/devtools_window.h"
 #include "chrome/browser/download/download_prefs.h"
+#include "chrome/browser/extensions/activity_log/activity_log.h"
 #include "chrome/browser/extensions/api/commands/command_service.h"
 #include "chrome/browser/extensions/api/tabs/tabs_api.h"
 #include "chrome/browser/extensions/extension_prefs.h"
@@ -315,6 +316,7 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   SessionStartupPref::RegisterProfilePrefs(registry);
   TemplateURLPrepopulateData::RegisterProfilePrefs(registry);
   TranslatePrefs::RegisterProfilePrefs(registry);
+  extensions::ActivityLog::RegisterProfilePrefs(registry);
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
   policy::URLBlacklistManager::RegisterProfilePrefs(registry);