Don't initialize C++ constants in Java during JNI registration.

android_webview/libwebviewchromium.gypi

 # 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.
 {
   'type': 'shared_library',
   'android_unmangled_name': 1,
   'dependencies': [
     'android_webview_common',
   ],
   'conditions': [
     [ 'android_webview_build==1', {
       'dependencies': [
         # When building inside the android tree we also need to depend on all
         # the java sources generated from templates which will be needed by
         # android_webview_java in android_webview/java_library_common.mk.
         '../base/base.gyp:base_java_application_state',
         '../base/base.gyp:base_java_library_load_from_apk_status_codes',
         '../base/base.gyp:base_java_memory_pressure_level',
         '../content/content.gyp:content_gamepad_mapping',
         '../content/content.gyp:gesture_event_type_java',
+        '../content/content.gyp:navigation_controller_java',
         '../content/content.gyp:popup_item_type_java',
         '../content/content.gyp:result_codes_java',
         '../content/content.gyp:screen_orientation_values_java',
         '../content/content.gyp:speech_recognition_error_java',
         '../content/content.gyp:top_controls_state_java',
         '../media/media.gyp:media_android_imageformat',
         '../net/net.gyp:cert_verify_status_android_java',
         '../net/net.gyp:certificate_mime_types_java',
         '../net/net.gyp:network_change_notifier_types_java',
         '../net/net.gyp:net_errors_java',
         '../net/net.gyp:private_key_types_java',
+        '../third_party/WebKit/public/blink_headers.gyp:web_input_event_java',
+        '../third_party/WebKit/public/blink_headers.gyp:web_text_input_type',
         '../ui/android/ui_android.gyp:android_resource_type_java',
         '../ui/android/ui_android.gyp:bitmap_format_java',
         '../ui/android/ui_android.gyp:page_transition_types_java',
         '../ui/android/ui_android.gyp:system_ui_resource_type_java',
         '../ui/android/ui_android.gyp:touch_device_types_java',
         '../ui/android/ui_android.gyp:window_open_disposition_java',
         '../ui/android/ui_android.gyp:text_input_type_java',
         '../ui/touch_selection/ui_touch_selection.gyp:selection_event_type_java',
         # We also need to depend on the Java bindings generated from the .mojom files.
         '../device/battery/battery.gyp:device_battery_mojo_bindings_for_webview',
       ],
       # Enable feedback-directed optimisation for the library when building in
       # android.
       'aosp_build_settings': {
         'LOCAL_FDO_SUPPORT': 'true',
       },
     }],
   ],
   'sources': [
     'lib/main/webview_entry_point.cc',
   ],
 }