[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 45b0cd1db4463e930035a1affb937564c735abe2..da726729f00e80c19b6fcd3c7b7eecbc80f9fe73 100644
--- a/content/content_renderer.gypi
+++ b/content/content_renderer.gypi
@@ -190,6 +190,10 @@
     '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/java_bridge_channel.cc',
     'renderer/java/java_bridge_channel.h',
     'renderer/java/java_bridge_dispatcher.cc',
@@ -604,6 +608,10 @@
       ],
     }, {
       '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/java_bridge_channel.cc',
         'renderer/java/java_bridge_channel.h',
         'renderer/java/java_bridge_dispatcher.cc',