Changes views_aura_mus_unittests to create DesktopNativeWidgetAura

ui/views/view_unittest_aura.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 "ui/views/view.h"
 
 #include <memory>
 
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
@@ skipping 43 matching lines @@
 // +-- v2 (no layer)
 //     +-- v3 (no layer)
 //     +-- v4
 // +-- w2
 //     +-- v5
 //         +-- v6
 // +-- v7
 //     +-- v8
 //     +-- v9
 TEST_F(ViewAuraTest, RecreateLayersWithWindows) {
+  // TODO: test uses GetContext(), which is not applicable to aura-mus.
+  // http://crbug.com/663809.
+  if (IsAuraMusClient())
+    return;
+
   Widget* w1 = CreateControlWidget(GetContext(), gfx::Rect(0, 0, 100, 100));
   w1->GetNativeView()->layer()->set_name("w1");
 
   View* v2 = new View();
   v2->SetBounds(0, 1, 100, 101);
   View* v3 = new View();
   v3->SetBounds(0, 2, 100, 102);
   View* w2_host_view = new View();
 
   View* v1 = CreateViewWithLayer(gfx::Rect(0, 3, 100, 103), "v1");
@@ skipping 99 matching lines @@
     std::vector<ui::Layer*> new_w1_root_sublayers = w1->GetRootLayers();
     ASSERT_EQ(3u, new_w1_root_sublayers.size());
     EXPECT_EQ(v1_new_layer, new_w1_root_sublayers[0]);
     EXPECT_EQ(v4_new_layer, new_w1_root_sublayers[1]);
     EXPECT_EQ(v7_new_layer, new_w1_root_sublayers[2]);
   }
   w1->CloseNow();
 }
 
 }  // namespace views