Address more TODO(GYP) in the GN build.

components/BUILD.gn

Index: components/BUILD.gn
diff --git a/components/BUILD.gn b/components/BUILD.gn
index 5c8387e446d35453d40bba6c38558b76189e18b9..48d476f72425ba3411ae029aee9808ee57a1f1e3 100644
--- a/components/BUILD.gn
+++ b/components/BUILD.gn
@@ -70,6 +70,7 @@ test("components_unittests") {
     "//components/component_updater:unit_tests",
     "//components/content_settings/core/browser:unit_tests",
     "//components/content_settings/core/common:unit_tests",
+    "//components/crash/content/app:unit_tests",
     "//components/crx_file:unit_tests",
     "//components/data_reduction_proxy/core/browser:unit_tests",
     "//components/data_reduction_proxy/core/common:unit_tests",
@@ -270,9 +271,6 @@ test("components_unittests") {
     ]
   }
 
-  # TODO(GYP) need this target.
-  #'breakpad/app/crash_keys_win_unittest.cc',
-
   if (enable_configuration_policy) {
     deps += [
       "//components/policy/core/browser:unit_tests",
@@ -365,7 +363,7 @@ if (is_android) {
   }
 
   # GYP: //components/components_tests.gyp:components_junit_tests
-  # TODO(GYP): Delete this target once recipes no longer require it.
+  # TODO(GYP_GONE): Delete this target once recipes no longer require it.
   junit_binary("components_junit_tests") {
     java_files = [ "//testing/android/junit/DummyTest.java" ]
   }