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

chrome/browser/policy/managed_prefs_banner_base.h

Index: chrome/browser/policy/managed_prefs_banner_base.h
diff --git a/chrome/browser/managed_prefs_banner_base.h b/chrome/browser/policy/managed_prefs_banner_base.h
similarity index 91%
rename from chrome/browser/managed_prefs_banner_base.h
rename to chrome/browser/policy/managed_prefs_banner_base.h
index a5f59d6cef1c97ab41727bd509f2ba8e0ef2653d..eb5bf90a3312ec841238209a9dadb499751673d5 100644
--- a/chrome/browser/managed_prefs_banner_base.h
+++ b/chrome/browser/policy/managed_prefs_banner_base.h
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_MANAGED_PREFS_BANNER_BASE_H_
-#define CHROME_BROWSER_MANAGED_PREFS_BANNER_BASE_H_
+#ifndef CHROME_BROWSER_POLICY_MANAGED_PREFS_BANNER_BASE_H_
+#define CHROME_BROWSER_POLICY_MANAGED_PREFS_BANNER_BASE_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/options_window.h"
-#include "chrome/browser/pref_set_observer.h"
+#include "chrome/browser/prefs/pref_set_observer.h"
 #include "chrome/common/notification_observer.h"
 
 class PrefService;
@@ -65,4 +65,4 @@ class ManagedPrefsBannerBase : public NotificationObserver {
 
   DISALLOW_COPY_AND_ASSIGN(ManagedPrefsBannerBase);
 };
-#endif  // CHROME_BROWSER_MANAGED_PREFS_BANNER_BASE_H_
+#endif  // CHROME_BROWSER_POLICY_MANAGED_PREFS_BANNER_BASE_H_