[Android] Implement renderer side of Gin Java Bridge

content/content_renderer.gypi

Index: content/content_renderer.gypi
diff --git a/content/content_renderer.gypi b/content/content_renderer.gypi
index 294468bbf177000684be1c4af07acbf153144598..ad823483f504bcfc156241921a8b110e7422c49b 100644
--- a/content/content_renderer.gypi
+++ b/content/content_renderer.gypi
@@ -191,6 +191,12 @@
       'renderer/input/input_handler_wrapper.h',
       'renderer/internal_document_state_data.cc',
       'renderer/internal_document_state_data.h',
+      'renderer/java/gin_java_bridge_dispatcher.cc',
+      'renderer/java/gin_java_bridge_dispatcher.h',
+      'renderer/java/gin_java_bridge_object.cc',
+      'renderer/java/gin_java_bridge_object.h',
+      'renderer/java/gin_java_bridge_value_converter.cc',
+      'renderer/java/gin_java_bridge_value_converter.h',
       'renderer/java/java_bridge_channel.cc',
       'renderer/java/java_bridge_channel.h',
       'renderer/java/java_bridge_dispatcher.cc',
@@ -607,6 +613,12 @@
       ],
     }, {
       'sources!': [
+        'renderer/java/gin_java_bridge_dispatcher.cc',
+        'renderer/java/gin_java_bridge_dispatcher.h',
+        'renderer/java/gin_java_bridge_object.cc',
+        'renderer/java/gin_java_bridge_object.h',
+        'renderer/java/gin_java_bridge_value_converter.cc',
+        'renderer/java/gin_java_bridge_value_converter.h',
         'renderer/java/java_bridge_channel.cc',
         'renderer/java/java_bridge_channel.h',
         'renderer/java/java_bridge_dispatcher.cc',