GN: Add -Wl,-z defs on linux and fix errors

ui/android/BUILD.gn

+# Copyright 2015 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/android/rules.gni")
 
 assert(is_android)
 
 component("android") {
   output_name = "ui_android"
   sources = [
     "resources/resource_manager.cc",
     "resources/resource_manager.h",
     "resources/resource_manager_impl.cc",
     "resources/resource_manager_impl.h",
     "resources/ui_resource_android.cc",
     "resources/ui_resource_android.h",
     "resources/ui_resource_client_android.h",
     "resources/ui_resource_provider.cc",
     "resources/ui_resource_provider.h",
     "ui_android_export.h",
     "ui_android_jni_registrar.cc",
     "ui_android_jni_registrar.h",
   ]
 
   defines = [ "UI_ANDROID_IMPLEMENTATION" ]
 
   deps = [
+    "//base",
     "//cc",
     "//skia",
     "//ui/gfx",
     "//ui/gfx/geometry",
     ":ui_android_jni_headers",
   ]
 }
 
 generate_jni("ui_android_jni_headers") {
   sources = [
@@ skipping 121 matching lines @@
   ]
 }
 
 unittest_apk("ui_android_unittests_apk") {
   deps = [
     ":ui_android_unittests",
     ":ui_java",
   ]
   unittests_dep = ":ui_android_unittests"
 }