GN: Enable PNaCl plugin compilation for the key_tester app.

BUILD.gn

 # Copyright (c) 2013 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 is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 404 matching lines @@
     ]
 
     if (enable_extensions) {
       deps += [ "//extensions/shell:app_shell" ]
     }
 
     if (enable_nacl) {
       deps += [ "//components/nacl:nacl_loader_unittests" ]
     }
 
-    if (enable_nacl && enable_remoting) {
-      deps += [ "//remoting:remoting_key_tester" ]
-    }
-
     if (media_use_ffmpeg) {
       deps += [ "//media:ffmpeg_regression_tests" ]
     }
 
     if (use_ash) {
       deps += [
         "//ash:ash_shell",
         "//ash:ash_unittests",
       ]
     }
@@ skipping 495 matching lines @@
       "//ui/views:views_unittests",  # TooltipControllerTest failures
       "//ui/wm:wm_unittests",  # PASSES 4/21/2015
       "//url:url_unittests",  # PASSES 4/17/2015
 
       # TODO(GYP) nacl_integration
       # TODO(GYP) telemetry_perf_unittests
       # TODO(GYP) telemetry_unittests
     ]
   }
 }