Make chrome_shell_apk build

sync/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/features.gni")
 
 component("sync") {
   deps = [
     ":sync_core",
     "//sync/protocol",
@@ skipping 690 matching lines @@
   ]
 
   deps = [
     "//base",
     "//net",
     "//testing/gtest",
     "//third_party/protobuf:protobuf_lite",
     "//sync",
   ]
 
+  forward_dependent_configs_from = [ "//third_party/protobuf:protobuf_lite" ]
+
   configs += [ "//build/config/compiler:wexit_time_destructors" ]
 }
 
 # GYP version: sync/sync_tests.gypi:test_support_sync_testserver
 static_library("test_support_sync_testserver") {
   testonly = true
   sources = [
     "test/local_sync_test_server.cc",
     "test/local_sync_test_server.h",
   ]
@@ skipping 50 matching lines @@
     deps = [
       "//base",
       "//base/test:test_support",
       "//net:test_support",
       "//testing/gtest",
       ":test_support_sync_testserver",
     ]
   }
 }
 
-#TODO(GYP): Need to port sync_android.gypi and Android test targets.
+if (is_android) {
+  import("//build/config/android/rules.gni")
+
+  # GYP: //sync/sync_tests.gypi:fake_server_jni
+  generate_jni("fake_server_jni") {
+    testonly = true
+    jni_package = "sync/test/fake_server"
+    sources = [
+      "//chrome/android/sync_shell/javatests/src/chromium/chrome/browser/sync/FakeServerHelper.java"
+    ]
+  }
+
+  # GYP: //sync/sync_tests.gypi:sync_java_test_support
+  android_library("sync_java_test_support") {
+    testonly = true
+    deps = [
+      "android:sync_java",
+      "//base:base_java",
+      "//base:base_java_test_support",
+      "//third_party/jsr-305:jsr_305_javalib",
+    ]
+    DEPRECATED_java_in_dir = "test/android/javatests/src"
+  }
+
+  # GYP: //sync/sync_tests.gypi:test_support_sync_fake_server_android
+  static_library("test_support_sync_fake_server_android") {
+    testonly = true
+    deps = [
+      ":fake_server_jni",
+      ":test_support_sync_fake_server",
+      "//base",
+    ]
+    sources = [
+      "test/fake_server/android/fake_server_helper_android.cc",
+      "test/fake_server/android/fake_server_helper_android.h",
+    ]
+  }
+
+  # GYP: //sync/sync_tests.gypi:sync_unit_tests_apk
+  unittest_apk("sync_unit_tests_apk") {
+    unittests_dep = ":sync_unit_tests"
+    deps =  [
+      ":sync_unit_tests",
+    ]
+  }
+}