Fix namespace for src/ui/display/.

ui/display/manager/chromeos/query_content_protection_task.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_DISPLAY_MANAGER_CHROMEOS_QUERY_CONTENT_PROTECTION_TASK_H_
 #define UI_DISPLAY_MANAGER_CHROMEOS_QUERY_CONTENT_PROTECTION_TASK_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/display/manager/display_manager_export.h"
 #include "ui/display/types/display_constants.h"
 
-namespace ui {
+namespace display {
 
 class DisplayLayoutManager;
 class NativeDisplayDelegate;
 
 class DISPLAY_MANAGER_EXPORT QueryContentProtectionTask {
  public:
   struct Response {
     bool success = false;
     uint32_t link_mask = 0;
     uint32_t enabled = 0;
@@ skipping 28 matching lines @@
 
   // Tracks the number of NativeDisplayDelegate requests sent but not answered
   // yet.
   size_t pending_requests_;
 
   base::WeakPtrFactory<QueryContentProtectionTask> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QueryContentProtectionTask);
 };
 
-}  // namespace ui
+}  // namespace display
 
 #endif  // UI_DISPLAY_MANAGER_CHROMEOS_QUERY_CONTENT_PROTECTION_TASK_H_