Code cleaning: Uses scoped_ptr<> to express ownership rather than writing ownership in comments.

chromeos/dbus/blocking_method_caller.h

Index: chromeos/dbus/blocking_method_caller.h
diff --git a/chromeos/dbus/blocking_method_caller.h b/chromeos/dbus/blocking_method_caller.h
index 95aa44041a99697c6674eb38c6638e56db7295ac..6291f47c030b9249d6ae21ad438e486a70a82559 100644
--- a/chromeos/dbus/blocking_method_caller.h
+++ b/chromeos/dbus/blocking_method_caller.h
@@ -8,13 +8,12 @@
 #include "base/callback.h"
 #include "base/synchronization/waitable_event.h"
 #include "chromeos/chromeos_export.h"
+#include "dbus/message.h"
 
 namespace dbus {
 
 class Bus;
 class ObjectProxy;
-class MethodCall;
-class Response;
 
 }  // namespace dbus
 
@@ -29,8 +28,7 @@ class CHROMEOS_EXPORT BlockingMethodCaller {
   virtual ~BlockingMethodCaller();
 
   // Calls the method and blocks until it returns.
-  // The caller is responsible to delete the returned object.
-  dbus::Response* CallMethodAndBlock(dbus::MethodCall* method_call);
+  scoped_ptr<dbus::Response> CallMethodAndBlock(dbus::MethodCall* method_call);
 
  private:
   dbus::Bus* bus_;