android_webview: stop using system ICU.

android_webview/android_webview.gyp

 # Copyright 2009 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': 'libwebviewchromium',
@@ skipping 36 matching lines @@
           # When not using the system skia there are linker warnings about
           # overriden hidden symbols which there's no easy way to eliminate;
           # disable them. http://crbug.com/157326
           'ldflags': [
             '-Wl,--no-fatal-warnings',
           ],
           'ldflags!': [
             '-Wl,--fatal-warnings',
           ],
         }],
+        ['android_webview_build==1 and use_system_stlport==1', {
+          # ICU requires RTTI, which is not present in the system's stlport, so
+          # we have to include gabi++. We can't include it in icu.gyp because
+          # link_settings cannot be used inside target_conditions. This will be
+          # removed once we stop using the system stlport.
+          # http://crbug.com/409851
+          'libraries': [
+            '-lgabi++',
+          ],
+        }],
       ],
       'sources': [
         'lib/main/webview_entry_point.cc',
       ],
     },
     {
       'target_name': 'android_webview_pak',
       'type': 'none',
       'dependencies': [
         '<(DEPTH)/content/app/resources/content_resources.gyp:content_resources',
@@ skipping 254 matching lines @@
             '../ui/android/ui_android.gyp:ui_strings_grd',
             'android_webview_jarjar_content_resources',
             'android_webview_jarjar_ui_resources',
             'android_webview_strings_grd',
           ],
         },
       ],
     }],
   ],
 }