Add ENABLE_JAVA_BRIDGE

content/content_browser.gypi

 # Copyright (c) 2011 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.
 
 {
   'dependencies': [
     '../crypto/crypto.gyp:crypto',
     '../net/net.gyp:net',
     '../net/net.gyp:http_server',
     '../ppapi/ppapi_internal.gyp:ppapi_proxy',
@@ skipping 702 matching lines @@
         ],
       },
       'include_dirs': [
         '../third_party/angle/include',
       ],
     }, {
       'sources/': [
         ['exclude', '^browser/renderer_host/accelerated_surface_container_linux.cc'],
         ['exclude', '^browser/renderer_host/accelerated_surface_container_linux.h'],
       ],
-   }],
- ],
+    }],
+    ['java_bridge==1', {
+      'defines': [
+        'ENABLE_JAVA_BRIDGE',
+      ],
+    }, {
+      'sources!': [
+        'browser/renderer_host/java_bridge_channel_host.cc',
+        'browser/renderer_host/java_bridge_channel_host.h',
+        'browser/renderer_host/java_bridge_dispatcher_host.cc',
+        'browser/renderer_host/java_bridge_dispatcher_host.h',
+      ],
+    }],
+  ],
 }