Add AppendArrayOfObjectPaths, which was missing.

It was an oversight not to have this function.

BUG=90036
TEST=dbus_unittests

Review URL: http://codereview.chromium.org/7686013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97689 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/dbus/message.cc b/dbus/message.cc
index 79c1b77..9216515e 100644
--- a/dbus/message.cc
+++ b/dbus/message.cc
@@ -512,6 +512,17 @@
   CloseContainer(&array_writer);
 }
 
+void MessageWriter::AppendArrayOfObjectPaths(
+    const std::vector<std::string>& object_paths) {
+  DCHECK(!container_is_open_);
+  MessageWriter array_writer(message_);
+  OpenArray("o", &array_writer);
+  for (size_t i = 0; i < object_paths.size(); ++i) {
+    array_writer.AppendObjectPath(object_paths[i]);
+  }
+  CloseContainer(&array_writer);
+}
+
 void MessageWriter::AppendVariantOfByte(uint8 value) {
   AppendVariantOfBasic(DBUS_TYPE_BYTE, &value);
 }