Revert of Move gn _run target generation into test().

extensions/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.
 
 # TODO(rockot) bug 505926: Don't include chrome files from here.
 # See chrome_browser_tests_extensions_sources below
 import("//chrome/chrome_tests.gni")
 import("//extensions/extensions.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
@@ skipping 123 matching lines @@
     "//content/shell:resources",
     "//extensions/shell:resources",
     "//extensions/strings",
     "//third_party/WebKit/public:image_resources",
     "//third_party/WebKit/public:resources",
     "//ui/resources",
     "//ui/strings",
   ]
 }
 
+# TODO(GYP): Delete this after we've converted everything to GN.
+# The _run targets exist only for compatibility w/ GYP.
+group("extensions_unittests_run") {
+  testonly = true
+  deps = [
+    ":extensions_unittests",
+  ]
+}
+
 test("extensions_unittests") {
   sources =
       rebase_path(extensions_tests_gypi_values.extensions_unittests_sources,
                   ".",
                   "//extensions")
 
   sources += [
     # TODO(rockot): DisplayInfoProvider::Create() is only implemented in Chrome
     # and app_shell. This is wrong.
     "shell/browser/shell_display_info_provider.cc",
@@ skipping 48 matching lines @@
 
       # TODO(rockot): There are two implementations of VpnServiceFactory, a
       # stub in app_shell and a real one in Chrome. This is wrong.
       "shell/browser/api/vpn_provider/vpn_service_factory.cc",
     ]
 
     deps += [ "//chromeos:test_support" ]
   }
 }
 
+# TODO(GYP): Delete this after we've converted everything to GN.
+# The _run targets exist only for compatibility w/ GYP.
+group("extensions_browsertests_run") {
+  testonly = true
+  deps = [
+    ":extensions_browsertests",
+  ]
+}
+
 test("extensions_browsertests") {
   sources =
       rebase_path(extensions_tests_gypi_values.extensions_browsertests_sources,
                   ".",
                   "//extensions")
 
   data = [
     "test/data/",
     "//net/data/",
     "//net/tools/testserver/",
@@ skipping 147 matching lines @@
     "//testing/gtest",
     "//third_party/hunspell",
     "//third_party/icu",
     "//third_party/libpng",
     "//third_party/zlib",
     "//ui/base:test_support",
     "//ui/resources:ui_test_pak",
     "//ui/web_dialogs:test_support",
   ]
 }