[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 ff071b024428e0a14143271dbf3cdf8f4f23e33a..e2e1db44c50c1ad1b313fe3fc87a84a6961156b2 100644
--- a/content/content_renderer.gypi
+++ b/content/content_renderer.gypi
@@ -188,6 +188,12 @@
     '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',
@@ -600,6 +606,12 @@
       ],
     }, {
       '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',