Remove 'native' context unit test macro.

tests/TestTest.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Test.h"
 
 #if SK_SUPPORT_GPU
@@ skipping 26 matching lines @@
 
 // This is an example of a GPU test that tests a property that should work for all GPU contexts that
 // produce a rendering output.
 #if SK_SUPPORT_GPU
 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(TestGpuRenderingContexts, reporter, context) {
     REPORTER_ASSERT(reporter, reporter);
     REPORTER_ASSERT(reporter, context);
 }
 #endif
 
-// This is an example of a GPU test that tests a property that should work at least for the native
-// GPU context. If the test takes a long time to run, it may be appropriate to test only the native
-// context.
-#if SK_SUPPORT_GPU
-DEF_GPUTEST_FOR_NATIVE_CONTEXT(TestGpuNativeContext, reporter, context) {
-    REPORTER_ASSERT(reporter, reporter);
-    REPORTER_ASSERT(reporter, context);
-}
-#endif
-
 // This is an example of a GPU test that tests a property that uses the null GPU context.  It should
 // be used if the test tests some behavior that is mocked with the null context.
 #if SK_SUPPORT_GPU
 DEF_GPUTEST_FOR_NULL_CONTEXT(TestGpuNullContext, reporter, context) {
     REPORTER_ASSERT(reporter, reporter);
     REPORTER_ASSERT(reporter, context);
 }
 #endif
 
 // This is an example of a GPU test that tests a property that should work for all GPU contexts.
 // It uses the additional GLTestContext* glContext to implement the test.
 #if SK_SUPPORT_GPU
 DEF_GPUTEST_FOR_ALL_CONTEXTS(TestGpuGrContextAndGLContext, reporter, context, glContext) {
     REPORTER_ASSERT(reporter, reporter);
     REPORTER_ASSERT(reporter, context);
     REPORTER_ASSERT(reporter, glContext);
 }
 #endif