Move prefs-related files under chrome/browser/ into a prefs/ subdir.

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
similarity index 98%
rename from chrome/browser/browser_prefs.cc
rename to chrome/browser/prefs/browser_prefs.cc
index c6222a78dcbe6b9764232967d1886fadbe001213..93bb6bea8e0f421caae9c1f24e479f840a4652e8 100644
--- a/chrome/browser/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/browser_prefs.h"
+#include "chrome/browser/prefs/browser_prefs.h"
 
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/background_contents_service.h"
@@ -33,15 +33,15 @@
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/page_info_model.h"
 #include "chrome/browser/password_manager/password_manager.h"
+#include "chrome/browser/prefs/session_startup_pref.h"
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 #include "chrome/browser/renderer_host/web_cache_manager.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/search_engines/keyword_editor_controller.h"
 #include "chrome/browser/search_engines/template_url_prepopulate_data.h"
-#include "chrome/browser/session_startup_pref.h"
 #include "chrome/browser/ssl/ssl_manager.h"
-#include "chrome/browser/tabs/pinned_tab_codec.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/tabs/pinned_tab_codec.h"
 #include "chrome/browser/task_manager.h"
 #include "chrome/browser/translate/translate_prefs.h"
 #include "chrome/browser/upgrade_detector.h"