Adding support for sending/receiving proto bufs to dbus library.

dbus/dbus.gyp

Index: dbus/dbus.gyp
diff --git a/dbus/dbus.gyp b/dbus/dbus.gyp
index ce2fbd43ce97e0c608770da0f36a5a92c598faea..00b265c8c1636bcd8fe2bd65c96d4c1b7842d124 100644
--- a/dbus/dbus.gyp
+++ b/dbus/dbus.gyp
@@ -13,6 +13,7 @@
       'dependencies': [
         '../base/base.gyp:base',
         '../build/linux/system.gyp:dbus',
+        '../third_party/protobuf/protobuf.gyp:protobuf_lite',
       ],
       'export_dependent_settings': [
         '../base/base.gyp:base',
@@ -30,6 +31,16 @@
       ],
     },
     {
+      # Protobuf compiler / generator test protocol buffer
+      'target_name': 'dbus_test_proto',
+      'type': 'static_library',
+      'sources': [ 'test_proto.proto' ],
+      'variables': {
+        'proto_out_dir': 'dbus',
+      },
+      'includes': [ '../build/protoc.gypi' ],
+    },
+    {
       # This target contains mocks that can be used to write unit tests
       # without issuing actual D-Bus calls.
       'target_name': 'dbus_test_support',
@@ -60,6 +71,7 @@
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         'dbus',
+        'dbus_test_proto',
         'dbus_test_support',
       ],
       'sources': [