Cleanup the IPC param traits structure

content/content_common.gypi

Index: content/content_common.gypi
===================================================================
--- content/content_common.gypi	(revision 158377)
+++ content/content_common.gypi	(working copy)
@@ -120,6 +120,8 @@
     'common/appcache/appcache_dispatcher.h',
     'common/appcache_messages.h',
     'common/browser_plugin_messages.h',
+    'common/cc_messages.cc',
+    'common/cc_messages.h',
     'common/child_histogram_message_filter.cc',
     'common/child_histogram_message_filter.h',
     'common/child_process.cc',
@@ -142,6 +144,9 @@
     'common/content_export.h',
     'common/content_message_generator.cc',
     'common/content_message_generator.h',
+    'common/content_param_traits.cc',
+    'common/content_param_traits.h',
+    'common/content_param_traits_macros.h',
     'common/content_paths.cc',
     'common/css_colors.h',
     'common/database_messages.h',
@@ -320,6 +325,7 @@
     'common/request_extra_data.h',
     'common/resource_dispatcher.cc',
     'common/resource_dispatcher.h',
+    'common/resource_messages.cc',
     'common/resource_messages.h',
     'common/sandbox_init_mac.cc',
     'common/sandbox_init_mac.h',
@@ -371,8 +377,6 @@
     'public/common/content_client.h',
     'public/common/window_container_type.cc',
     'public/common/window_container_type.h',
-    'public/common/webkit_param_traits.cc',
-    'public/common/webkit_param_traits.h',
   ],
   'conditions': [
     ['OS=="ios"', {