Enable more tests in GN build.

ui/compositor/BUILD.gn

 # 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.
 
 import("//build/config/ui.gni")
 
 component("compositor") {
   sources = [
     "compositor.cc",
     "compositor.h",
@@ skipping 66 matching lines @@
     "test/context_factories_for_test.cc",
     "test/context_factories_for_test.h",
     "test/draw_waiter_for_test.cc",
     "test/draw_waiter_for_test.h",
     "test/in_process_context_factory.cc",
     "test/in_process_context_factory.h",
     "test/layer_animator_test_controller.cc",
     "test/layer_animator_test_controller.h",
     "test/test_compositor_host.h",
     "test/test_compositor_host_mac.mm",
-    "test/test_compositor_host_ozone.cc",
     "test/test_compositor_host_win.cc",
-    "test/test_compositor_host_x11.cc",
     "test/test_layer_animation_delegate.cc",
     "test/test_layer_animation_delegate.h",
     "test/test_layer_animation_observer.cc",
     "test/test_layer_animation_observer.h",
     "test/test_layers.cc",
     "test/test_layers.h",
     "test/test_suite.cc",
     "test/test_suite.h",
     "test/test_utils.cc",
     "test/test_utils.h",
@@ skipping 11 matching lines @@
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl",
     "//webkit/common/gpu",
   ]
 
   if (use_x11) {
     configs += [ "//build/config/linux:x11" ]
     deps += [ "//ui/gfx/x" ]
   }
+
+  if (use_ozone) {
+    sources += [ "test/test_compositor_host_ozone.cc" ]
+  } else if (use_x11) {
+    sources += [ "test/test_compositor_host_x11.cc" ]
+  }
 }
 
 # TODO(GYP) enable this when all dependencies are complete and it links.
 #test("compositor_unittests") {
 #  sources = [
 #    "layer_animation_element_unittest.cc",
 #    "layer_animation_sequence_unittest.cc",
 #    "layer_animator_unittest.cc",
 #    "layer_owner_unittest.cc",
 #    "layer_unittest.cc",
@@ skipping 15 matching lines @@
 #    "//ui/gfx",
 #    "//ui/gfx/geometry",
 #    "//ui/gl",
 #    "//ui/resources",
 #  ]
 #
 #  if (is_linux) {
 #    #deps += [ "//third_party/mesa:osmesa" ]  # TODO(GYP)
 #  }
 #}