FBTF: Reapplies r55259, the first new IPC definition patch.

chrome/chrome_common.gypi

Index: chrome/chrome_common.gypi
diff --git a/chrome/chrome_common.gypi b/chrome/chrome_common.gypi
index 40142ffeffad6e858347fda2e1b84a33e9bc7b54..b019c630b9a3d3ee5d5bf7aad6d97845106f78f8 100644
--- a/chrome/chrome_common.gypi
+++ b/chrome/chrome_common.gypi
@@ -49,6 +49,7 @@
           'common/content_settings_types.h',
           'common/debug_flags.cc',
           'common/debug_flags.h',
+          'common/devtools_messages.cc',
           'common/devtools_messages.h',
           'common/devtools_messages_internal.h',
           'common/font_descriptor_mac.h',
@@ -57,6 +58,7 @@
           'common/geoposition.h',
           'common/gpu_info.h',
           'common/gpu_info.cc',
+          'common/gpu_messages.cc',
           'common/gpu_messages.h',
           'common/gpu_messages_internal.h',
           'common/indexed_db_key.cc',
@@ -70,9 +72,10 @@
           'common/metrics_helpers.h',
           'common/nacl_cmd_line.cc',
           'common/nacl_cmd_line.h',
+          'common/nacl_messages.cc',
           'common/nacl_messages.h',
-          'common/nacl_types.h',
           'common/nacl_messages_internal.h',
+          'common/nacl_types.h',
           'common/notification_details.cc',
           'common/notification_details.h',
           'common/notification_observer.h',
@@ -246,8 +249,10 @@
         'common/pepper_plugin_registry.h',
         'common/plugin_carbon_interpose_constants_mac.h',
         'common/plugin_carbon_interpose_constants_mac.cc',
+        'common/plugin_messages.cc',
         'common/plugin_messages.h',
         'common/plugin_messages_internal.h',
+        'common/render_messages.cc',
         'common/render_messages.h',
         'common/render_messages_internal.h',
         'common/renderer_preferences.h',
@@ -255,6 +260,7 @@
         'common/resource_dispatcher.h',
         'common/security_filter_peer.cc',
         'common/security_filter_peer.h',
+        'common/service_messages.cc',
         'common/service_messages.h',
         'common/services_messages_internal.h',
         'common/socket_stream_dispatcher.cc',
@@ -269,6 +275,7 @@
         'common/thumbnail_score.h',
         'common/url_constants.cc',
         'common/url_constants.h',
+        'common/utility_messages.cc',
         'common/utility_messages.h',
         'common/utility_messages_internal.h',
         'common/view_types.cc',
@@ -282,6 +289,7 @@
         'common/webmessageportchannel_impl.h',
         'common/window_container_type.cc',
         'common/window_container_type.h',
+        'common/worker_messages.cc',
         'common/worker_messages.h',
         'common/worker_messages_internal.h',
         'common/worker_thread_ticker.cc',