Fix namespace for src/ui/display/.

ui/display/manager/chromeos/test/test_display_layout_manager.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_TEST_TEST_DISPLAY_LAYOUT_MANAGER_H_
 #define UI_DISPLAY_MANAGER_CHROMEOS_TEST_TEST_DISPLAY_LAYOUT_MANAGER_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "ui/display/manager/chromeos/display_configurator.h"
 #include "ui/display/manager/chromeos/display_layout_manager.h"
 
-namespace ui {
+namespace display {
 namespace test {
 
 class TestDisplayLayoutManager : public DisplayLayoutManager {
  public:
   TestDisplayLayoutManager(ScopedVector<DisplaySnapshot> displays,
                            MultipleDisplayState display_state);
   ~TestDisplayLayoutManager() override;
 
   // DisplayLayoutManager:
   DisplayConfigurator::StateController* GetStateController() const override;
@@ skipping 10 matching lines @@
   bool IsMirroring() const override;
 
  private:
   ScopedVector<DisplaySnapshot> displays_;
   MultipleDisplayState display_state_;
 
   DISALLOW_COPY_AND_ASSIGN(TestDisplayLayoutManager);
 };
 
 }  // namespace test
-}  // namespace ui
+}  // namespace display
 
 #endif  // UI_DISPLAY_MANAGER_CHROMEOS_TEST_TEST_DISPLAY_LAYOUT_MANAGER_H_