From 755778772fadbb26b820be53fcbc1f9f91a64b8d Mon Sep 17 00:00:00 2001
From: Bobby Holley <bobbyholley@gmail.com>
Date: Mon, 8 Dec 2014 17:19:05 -0800
Subject: [PATCH] Bug 1108767 - Add MediaPromise::{Resolve,Reject}IfExists.
 r=cpearce

---
 dom/media/MediaPromise.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/dom/media/MediaPromise.h b/dom/media/MediaPromise.h
index 92601fff634..a4ffc7f02d8 100644
--- a/dom/media/MediaPromise.h
+++ b/dom/media/MediaPromise.h
@@ -316,6 +316,14 @@ public:
     mPromise = nullptr;
   }
 
+  void ResolveIfExists(typename PromiseType::ResolveValueType aResolveValue,
+                       const char* aMethodName)
+  {
+    if (!IsEmpty()) {
+      Resolve(aResolveValue, aMethodName);
+    }
+  }
+
   void Reject(typename PromiseType::RejectValueType aRejectValue,
               const char* aMethodName)
   {
@@ -327,6 +335,14 @@ public:
     mPromise = nullptr;
   }
 
+  void RejectIfExists(typename PromiseType::RejectValueType aRejectValue,
+                      const char* aMethodName)
+  {
+    if (!IsEmpty()) {
+      Reject(aRejectValue, aMethodName);
+    }
+  }
+
 private:
   Monitor* mMonitor;
   nsRefPtr<PromiseType> mPromise;