Remove some #ifdef __native_client__ on tests.

mojo/public/c/system/tests/data_pipe_unittest.cc

 // Copyright 2016 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.
 
 // This file tests the C data pipe API (the functions declared in
 // mojo/public/c/system/data_pipe.h).
 
 #include "mojo/public/c/system/data_pipe.h"
 
 #include <string.h>
@@ skipping 45 matching lines @@
             MojoReadData(MOJO_HANDLE_INVALID, buffer, &buffer_size,
                          MOJO_READ_DATA_FLAG_NONE));
   const void* read_pointer = nullptr;
   EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
             MojoBeginReadData(MOJO_HANDLE_INVALID, &read_pointer, &buffer_size,
                               MOJO_READ_DATA_FLAG_NONE));
   EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
             MojoEndReadData(MOJO_HANDLE_INVALID, 1u));
 }
 
-// TODO(ncbray): enable this test once NaCl supports the corresponding APIs.
-#ifdef __native_client__
-#define MAYBE_Basic DISABLED_Basic
-#else
-#define MAYBE_Basic Basic
-#endif
-TEST(DataPipeTest, MAYBE_Basic) {
+TEST(DataPipeTest, Basic) {
   MojoHandle hp = MOJO_HANDLE_INVALID;
   MojoHandle hc = MOJO_HANDLE_INVALID;
   EXPECT_EQ(MOJO_RESULT_OK, MojoCreateDataPipe(nullptr, &hp, &hc));
   EXPECT_NE(hp, MOJO_HANDLE_INVALID);
   EXPECT_NE(hc, MOJO_HANDLE_INVALID);
   EXPECT_NE(hp, hc);
 
   // Both handles should have the correct rights.
   MojoHandleRights rights = MOJO_HANDLE_RIGHT_NONE;
   EXPECT_EQ(MOJO_RESULT_OK, MojoGetRights(hp, &rights));
@@ skipping 354 matching lines @@
   EXPECT_EQ(MOJO_RESULT_OK,
             MojoWait(hc, MOJO_HANDLE_SIGNAL_READ_THRESHOLD, 0, nullptr));
 
   EXPECT_EQ(MOJO_RESULT_OK, MojoClose(hp));
   EXPECT_EQ(MOJO_RESULT_OK, MojoClose(hc));
 }
 
 // TODO(vtl): Add multi-threaded tests.
 
 }  // namespace