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

mojo/services/view_manager/view_manager_unittest.cc

Index: mojo/services/view_manager/view_manager_unittest.cc
diff --git a/mojo/services/view_manager/view_manager_unittest.cc b/mojo/services/view_manager/view_manager_unittest.cc
index cc972d436de05bfea76535c994bd551c6a234003..be9e7ccf940c3dccf2eb627992f016ce51ff261d 100644
--- a/mojo/services/view_manager/view_manager_unittest.cc
+++ b/mojo/services/view_manager/view_manager_unittest.cc
@@ -31,10 +31,6 @@
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/geometry/rect.h"
 
-#if defined(OS_WIN)
-#include "ui/gfx/win/window_impl.h"
-#endif
-
 namespace mojo {
 namespace service {
 
@@ -459,13 +455,8 @@
 
   virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(ViewManagerProxy::IsInInitialState());
+
     test_helper_.Init();
-
-#if defined(OS_WIN)
-    // As we unload the wndproc of window classes we need to be sure to
-    // unregister them.
-    gfx::WindowImpl::UnregisterClassesAtExit();
-#endif
 
     test_helper_.SetLoaderForURL(
         scoped_ptr<ApplicationLoader>(new EmbedApplicationLoader()),
@@ -565,8 +556,13 @@
 }
 
 // Verifies client gets a valid id.
+#if defined(OS_LINUX)
 // http://crbug.com/396492
-TEST_F(ViewManagerTest, DISABLED_ValidId) {
+#define MAYBE_ValidId DISABLED_ValidId
+#else
+#define MAYBE_ValidId ValidId
+#endif
+TEST_F(ViewManagerTest, MAYBE_ValidId) {
   // TODO(beng): this should really have the URL of the application that
   //             connected to ViewManagerInit.
   EXPECT_EQ("OnEmbed creator=",