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 1ccbc7fbcc3de4d7a22af13d0c321f48515240d9..c48dc44b9974b16ec6e2c6fef518fe6464f8f0c3 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -96,11 +96,11 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/host_desktop.h"
+#include "chrome/browser/ui/startup/bad_flags_prompt.h"
 #include "chrome/browser/ui/startup/default_browser_prompt.h"
 #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"
@@ -786,11 +786,8 @@ 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_));
+  chrome::MaybeShowInvalidUserDataDirWarningDialog();
 
   // Force MediaCaptureDevicesDispatcher to be created on UI thread.
   MediaCaptureDevicesDispatcher::GetInstance();