Enable NativeActivity based Android tests.

build/config/android/rules.gni

Index: build/config/android/rules.gni
diff --git a/build/config/android/rules.gni b/build/config/android/rules.gni
index f3076be1f42fe1222668cd1d6a9e9d011226a6cf..fab5711bc3d73ff3b637ddd05d02c8de5d4edf40 100644
--- a/build/config/android/rules.gni
+++ b/build/config/android/rules.gni
@@ -46,6 +46,7 @@ template("generate_jni") {
 
   foreach_target_name = "${target_name}__jni_gen"
   action_foreach(foreach_target_name) {
+    forward_variables_from(invoker, [ "deps" ])
     script = "//base/android/jni_generator/jni_generator.py"
     depfile = "$target_gen_dir/$target_name.{{source_name_part}}.d"
     sources = invoker.sources
@@ -2112,6 +2113,7 @@ template("instrumentation_test_apk") {
 #             of the unittests_dep target postfixed with "_apk"
 #   use_default_launcher: Whether the default activity (NativeUnitTestActivity)
 #     should be used for launching tests.
+#   use_native_activity: Test implements ANativeActivity_onCreate().
 #
 # Example
 #   unittest_apk("foo_unittests_apk") {
@@ -2119,6 +2121,42 @@ template("instrumentation_test_apk") {
 #     unittests_dep = ":foo_unittests"
 #   }
 template("unittest_apk") {
+  assert(defined(invoker.unittests_dep), "Need unittests_dep for $target_name")
+  _test_suite_name = get_label_info(invoker.unittests_dep, "name")
+
+  # This trivial assert is needed in case both unittests_binary and apk_name
+  # are defined, as otherwise _test_suite_name would not be used.
+  assert(_test_suite_name != "")
+
+  _use_native_activity =
+      defined(invoker.use_native_activity) && invoker.use_native_activity
+
+  # This trivial assert is needed in case both android_manifest and !use_default_launcher

[Dirk Pranke, 2016/05/20 17:18:41]

nit: wrap long line?

[ynovikov, 2016/05/26 03:16:15]

Done.

+  # are defined, as otherwise _use_native_activity would not be used.
+  assert(_use_native_activity != "")
+  _android_manifest = "$target_gen_dir/$target_name/AndroidManifest.xml"
+
+  # This trivial assert is needed in case android_manifest
+  # is defined, as otherwise _android_manifest would not be used.
+  assert(_android_manifest != "")
+
+  if (!defined(invoker.android_manifest)) {
+    jinja_template("${target_name}_manifest") {
+      if (!defined(invoker.unittests_binary)) {
+        native_library_name = _test_suite_name
+      } else {
+        native_library_name = invoker.unittests_binary
+      }
+      input = "//testing/android/native_test/java/AndroidManifest.xml.jinja2"
+      output = _android_manifest
+      variables = [
+        "is_component_build=${is_component_build}",
+        "native_library_name=${native_library_name}",
+        "use_native_activity=${_use_native_activity}",
+      ]
+    }
+  }
+
   android_apk(target_name) {
     set_sources_assignment_filter([])
     data_deps = []
@@ -2126,31 +2164,28 @@ template("unittest_apk") {
     forward_variables_from(invoker, "*")
     testonly = true
 
-    assert(defined(unittests_dep), "Need unittests_dep for $target_name")
-
-    test_suite_name = get_label_info(unittests_dep, "name")
-
-    # This trivial assert is needed in case both unittests_binary and apk_name
-    # are defined, as otherwise test_suite_name would not be used.
-    assert(test_suite_name != "")
-
     if (!defined(apk_name)) {
       apk_name = test_suite_name
     }
 
     if (!defined(android_manifest)) {
-      android_manifest =
-          "//testing/android/native_test/java/AndroidManifest.xml"
+      deps += [ ":${target_name}_manifest" ]
+      android_manifest = _android_manifest
     }
 
     if (!defined(unittests_binary)) {
-      unittests_binary = "lib${test_suite_name}${shlib_extension}"
+      unittests_binary = "lib${_test_suite_name}${shlib_extension}"
     }
 
     final_apk_path = "$root_build_dir/${apk_name}_apk/${apk_name}-debug.apk"
 
     if (!defined(use_default_launcher) || use_default_launcher) {
-      deps += [ "//testing/android/native_test:native_test_java" ]
+      if (_use_native_activity) {
+        deps +=
+            [ "//testing/android/native_test:native_test_native_activity_java" ]
+      } else {
+        deps += [ "//testing/android/native_test:native_test_java" ]
+      }
     }
     native_libs = [ unittests_binary ]
     deps += [