[android_webview] Introduce AwAssets to reference assets inside the apk.

android_webview/native/webview_native.gyp

 # Copyright (c) 2012 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.
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       'target_name': 'webview_native',
@@ skipping 18 matching lines @@
       ],
       'include_dirs': [
         '../..',
         '../../skia/config',
       ],
       'sources': [
         'android_protocol_handler.cc',
         'android_protocol_handler.h',
         'android_webview_jni_registrar.cc',
         'android_webview_jni_registrar.h',
+        'aw_assets.cc',
+        'aw_assets.h',
         'aw_autofill_client.cc',
         'aw_autofill_client.h',
         'aw_browser_dependency_factory.cc',
         'aw_browser_dependency_factory.h',
         'aw_contents.cc',
         'aw_contents.h',
         'aw_contents_client_bridge.cc',
         'aw_contents_client_bridge.h',
         'aw_contents_io_thread_client_impl.cc',
         'aw_contents_io_thread_client_impl.h',
@@ skipping 70 matching lines @@
         'jni_gen_package': 'android_webview',
         'input_java_class': 'android/os/CancellationSignal.class',
       },
       'includes': [ '../../build/jar_file_jni_generator.gypi' ],
     },
     {
       'target_name': 'android_webview_native_jni',
       'type': 'none',
       'sources': [
           '../java/src/org/chromium/android_webview/AndroidProtocolHandler.java',
+          '../java/src/org/chromium/android_webview/AwAssets.java',
           '../java/src/org/chromium/android_webview/AwAutofillClient.java',
           '../java/src/org/chromium/android_webview/AwContents.java',
           '../java/src/org/chromium/android_webview/AwContentsClientBridge.java',
           '../java/src/org/chromium/android_webview/AwContentsIoThreadClient.java',
           '../java/src/org/chromium/android_webview/AwContentsStatics.java',
           '../java/src/org/chromium/android_webview/AwCookieManager.java',
           '../java/src/org/chromium/android_webview/AwDevToolsServer.java',
           '../java/src/org/chromium/android_webview/AwFormDatabase.java',
           '../java/src/org/chromium/android_webview/AwHttpAuthHandler.java',
           '../java/src/org/chromium/android_webview/AwPdfExporter.java',
@@ skipping 11 matching lines @@
         'jni_gen_package': 'android_webview',
       },
       'includes': [ '../../build/jni_generator.gypi' ],
       'dependencies': [
         'input_stream_android_jar_jni_headers',
         'cancellation_signal_android_jar_jni_headers',
       ],
     },
   ],
 }