Fix namespace for src/ui/display/.

ui/display/manager/chromeos/test/test_display_layout_manager.cc

 // 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.
 
 #include "ui/display/manager/chromeos/test/test_display_layout_manager.h"
 
 #include <utility>
 
 #include "ui/display/types/display_snapshot.h"
 
-namespace ui {
+namespace display {
 namespace test {
 
 TestDisplayLayoutManager::TestDisplayLayoutManager(
     ScopedVector<DisplaySnapshot> displays,
     MultipleDisplayState display_state)
     : displays_(std::move(displays)), display_state_(display_state) {}
 
 TestDisplayLayoutManager::~TestDisplayLayoutManager() {}
 
 DisplayConfigurator::StateController*
@@ skipping 28 matching lines @@
 std::vector<DisplaySnapshot*> TestDisplayLayoutManager::GetDisplayStates()
     const {
   return displays_.get();
 }
 
 bool TestDisplayLayoutManager::IsMirroring() const {
   return display_state_ == MULTIPLE_DISPLAY_STATE_DUAL_MIRROR;
 }
 
 }  // namespace test
-}  // namespace ui
+}  // namespace display