Rename the aura_shell namespace to ash

ash/launcher/view_model_utils_unittest.cc

 // Copyright (c) 2011 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/launcher/view_model_utils.h"
 
 #include "ash/launcher/view_model.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/views/view.h"
 
-namespace aura_shell {
+namespace ash {
 
 // Makes sure SetViewBoundsToIdealBounds updates the view appropriately.
 TEST(ViewModelUtils, SetViewBoundsToIdealBounds) {
   views::View v1;
   ViewModel model;
   model.Add(&v1, 0);
   gfx::Rect v1_bounds(1, 2, 3, 4);
   model.set_ideal_bounds(0, v1_bounds);
   ViewModelUtils::SetViewBoundsToIdealBounds(model);
   EXPECT_EQ(v1_bounds, v1.bounds());
@@ skipping 14 matching lines @@
   EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v1, 4));
   EXPECT_EQ(1, ViewModelUtils::DetermineMoveIndex(model, &v1, 506));
   EXPECT_EQ(2, ViewModelUtils::DetermineMoveIndex(model, &v1, 1010));
   EXPECT_EQ(2, ViewModelUtils::DetermineMoveIndex(model, &v1, 2000));
 
   EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v2, -10));
   EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v2, 4));
   EXPECT_EQ(2, ViewModelUtils::DetermineMoveIndex(model, &v2, 12));
 }
 
-}  // namespace aura_shell
+}  // namespace ash