Initialize chrome::DIR_USER_DATA early on for service processes, etc.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 9d0d9dabddc1bbb7630714fc4ef4848fdfc89dae..ebc1b37a3c21c634283f14b1992386c0dbb82826 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -100,7 +100,6 @@
 #include "chrome/browser/ui/startup/startup_browser_creator.h"
 #include "chrome/browser/ui/uma_browsing_activity_observer.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
-#include "chrome/browser/user_data_dir_extractor.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_result_codes.h"
@@ -785,11 +784,7 @@ int ChromeBrowserMainParts::PreCreateThreads() {
 int ChromeBrowserMainParts::PreCreateThreadsImpl() {
   TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreadsImpl")
   run_message_loop_ = false;
-  {
-    TRACE_EVENT0("startup",
-      "ChromeBrowserMainParts::PreCreateThreadsImpl:GetUserDataDir");
-    user_data_dir_ = chrome::GetUserDataDir(parameters());
-  }
+  CHECK(PathService::Get(chrome::DIR_USER_DATA, &user_data_dir_));
 
   // Force MediaCaptureDevicesDispatcher to be created on UI thread.
   MediaCaptureDevicesDispatcher::GetInstance();