Implement Bus and ObjectProxy classes for our D-Bus library.

dbus/dbus.gyp

Index: dbus/dbus.gyp
diff --git a/dbus/dbus.gyp b/dbus/dbus.gyp
index c1fd9fedea960f23ed78f1ae09dd851a90b4c978..e13554bf8faba78921d97678aa5fd8af76ea2c78 100644
--- a/dbus/dbus.gyp
+++ b/dbus/dbus.gyp
@@ -17,6 +17,10 @@
       'sources': [
         'message.cc',
         'message.h',
+        'bus.cc',
+        'bus.h',
+        'object_proxy.cc',
+        'object_proxy.h',
       ],
     },
     {
@@ -36,5 +40,21 @@
         '..',
       ],
     },
+    {
+      # Similar to dbus-send. Useful for manual testing.
+      'target_name': 'dbus_test_client',
+      'type': 'executable',
+      'dependencies': [
+        'dbus',
+        '../base/base.gyp:base',
+        '../build/linux/system.gyp:dbus',
+      ],
+      'sources': [
+        'dbus_test_client.cc',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+    },
   ],
 }