Create native_viewport_service, don't build it into mojo_shell unless Android

mojo/services/public/cpp/view_manager/lib/view_manager_test_suite.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 "mojo/services/public/cpp/view_manager/lib/view_manager_test_suite.h"
 
 #include "base/i18n/icu_util.h"
 #include "ui/gl/gl_surface.h"
 
 #if defined(USE_X11)
 #include "ui/gfx/x/x11_connection.h"
 #endif
 
 namespace mojo {
 
 ViewManagerTestSuite::ViewManagerTestSuite(int argc, char** argv)
     : TestSuite(argc, argv) {}
 
 ViewManagerTestSuite::~ViewManagerTestSuite() {
 }
 
 void ViewManagerTestSuite::Initialize() {
 #if defined(USE_X11)
   // Each test ends up creating a new thread for the native viewport service.
   // In other words we'll use X on different threads, so tell it that.
   gfx::InitializeThreadedX11();
 #endif
 
+#if defined(COMPONENT_BUILD)
+  gfx::GLSurface::InitializeOneOffForTests();
+#endif
+
   base::TestSuite::Initialize();
-  gfx::GLSurface::InitializeOneOffForTests();
 
   // base::TestSuite and ViewsInit both try to load icu. That's ok for tests.
   base::i18n::AllowMultipleInitializeCallsForTesting();
 }
 
 }  // namespace mojo