2 files changed, 10 insertions, 0 deletions
diff --git a/dbus/object_path.cc b/dbus/object_path.cc
index 1200a9b..8606b6b 100644
--- a/dbus/object_path.cc
+++ b/dbus/object_path.cc
@@ -4,6 +4,8 @@
 
 #include "dbus/object_path.h"
 
+#include <ostream>
+
 #include "dbus/string_util.h"
 
 namespace dbus {
@@ -24,4 +26,8 @@ bool ObjectPath::operator!=(const ObjectPath& that) const {
   return value_ != that.value_;
 }
 
+void PrintTo(const ObjectPath& path, std::ostream* out) {
+  *out << path.value();
+}
+
 } // namespace dbus
diff --git a/dbus/object_path.h b/dbus/object_path.h
index 89c5287..072c23d 100644
--- a/dbus/object_path.h
+++ b/dbus/object_path.h
@@ -5,6 +5,7 @@
 #ifndef DBUS_OBJECT_PATH_H_
 #define DBUS_OBJECT_PATH_H_
 
+#include <iosfwd>
 #include <string>
 
 #include "dbus/dbus_export.h"
@@ -46,6 +47,9 @@ class CHROME_DBUS_EXPORT ObjectPath {
   std::string value_;
 };
 
+// This is required by gtest to print a readable output on test failures.
+CHROME_DBUS_EXPORT void PrintTo(const ObjectPath& path, std::ostream* out);
+
 }  // namespace dbus
 
 #endif  // DBUS_OBJECT_PATH_H_