Eliminate ash::internal namespace

ash/display/projecting_observer_chromeos_unittest.cc

 // Copyright 2014 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 "ash/display/projecting_observer_chromeos.h"
 
 #include "base/memory/scoped_vector.h"
 #include "chromeos/dbus/fake_dbus_thread_manager.h"
 #include "chromeos/dbus/fake_power_manager_client.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/display/chromeos/test/test_display_snapshot.h"
 
 namespace ash {
-
-namespace internal {
-
 namespace {
 
 ui::TestDisplaySnapshot* CreateInternalSnapshot() {
   ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
   output->set_type(ui::OUTPUT_TYPE_INTERNAL);
   return output;
 }
 
 ui::TestDisplaySnapshot* CreateVGASnapshot() {
   ui::TestDisplaySnapshot* output = new ui::TestDisplaySnapshot();
@@ skipping 158 matching lines @@
   observer_->OnDisplayModeChanged(outputs);
 
   // Remove VGA output.
   outputs.erase(outputs.begin() + 1);
   observer_->OnDisplayModeChanged(outputs);
 
   EXPECT_EQ(2, fake_power_client_->num_set_is_projecting_calls());
   EXPECT_FALSE(fake_power_client_->is_projecting());
 }
 
-}  // namespace internal
-
 }  // namespace ash