AU: OmahaRequestAction: allow to be skipped.

omaha_request_action.h

Index: omaha_request_action.h
diff --git a/omaha_request_action.h b/omaha_request_action.h
index 948bcc7f4282fd2b8e9551decb05390c5e95d7cb..8749546b00465aaf94e7a3f9ae2973099f43e56e 100644
--- a/omaha_request_action.h
+++ b/omaha_request_action.h
@@ -150,6 +150,8 @@ class OmahaRequestAction : public Action<OmahaRequestAction>,
   // Returns true if this is an Event request, false if it's an UpdateCheck.
   bool IsEvent() const { return event_.get() != NULL; }
 
+  void set_should_skip(bool should_skip) { should_skip_ = should_skip; }
+
  private:
   // If this is an update check request, initializes
   // |ping_active_days_| and |ping_roll_call_days_| to values that may
@@ -181,6 +183,9 @@ class OmahaRequestAction : public Action<OmahaRequestAction>,
   int ping_active_days_;
   int ping_roll_call_days_;
 
+  // If true, this action should be a noop.
+  bool should_skip_;
+
   DISALLOW_COPY_AND_ASSIGN(OmahaRequestAction);
 };