[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 c43ea479eddf3a7ed5cf9fc52bb0b04ec80f182f..e3851120e306ef46333041e98353c6ca22bfd172 100644
--- a/content/content_renderer.gypi
+++ b/content/content_renderer.gypi
@@ -188,6 +188,12 @@
     'renderer/input_tag_speech_dispatcher.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',
@@ -602,6 +608,12 @@
       ],
     }, {
       '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',