diff --git a/caps/OriginAttributes.cpp b/caps/OriginAttributes.cpp
index 93137d5dabf9..bec78276187b 100644
--- a/caps/OriginAttributes.cpp
+++ b/caps/OriginAttributes.cpp
@@ -251,11 +251,8 @@ OriginAttributes::PopulateFromSuffix(const nsACString& aStr)
     return false;
   }
 
-  URLParams params;
-  params.ParseInput(Substring(aStr, 1, aStr.Length() - 1));
-
   PopulateFromSuffixIterator iterator(this);
-  return params.ForEach(iterator);
+  return URLParams::Parse(Substring(aStr, 1, aStr.Length() - 1), iterator);
 }
 
 bool
diff --git a/dom/base/BodyUtil.cpp b/dom/base/BodyUtil.cpp
index ba304905e9d8..57dcec80c376 100644
--- a/dom/base/BodyUtil.cpp
+++ b/dom/base/BodyUtil.cpp
@@ -469,12 +469,9 @@ BodyUtil::ConsumeFormData(nsIGlobalObject* aParent, const nsCString& aMimeType,
   }
 
   if (isValidUrlEncodedMimeType) {
-    URLParams params;
-    params.ParseInput(aStr);
-
     RefPtr<FormData> fd = new FormData(aParent);
     FillFormIterator iterator(fd);
-    DebugOnly<bool> status = params.ForEach(iterator);
+    DebugOnly<bool> status = URLParams::Parse(aStr, iterator);
     MOZ_ASSERT(status);
 
     return fd.forget();
diff --git a/dom/url/URLSearchParams.cpp b/dom/url/URLSearchParams.cpp
index a63a35f2da4b..272ca507c377 100644
--- a/dom/url/URLSearchParams.cpp
+++ b/dom/url/URLSearchParams.cpp
@@ -163,6 +163,14 @@ URLParams::DecodeString(const nsACString& aInput, nsAString& aOutput)
   ConvertString(unescaped, aOutput);
 }
 
+/* static */ bool
+URLParams::Parse(const nsACString& aInput, ForEachIterator& aIterator)
+{
+    URLParams params;
+    params.ParseInput(aInput);
+    return params.ForEach(aIterator);
+}
+
 void
 URLParams::ParseInput(const nsACString& aInput)
 {
diff --git a/dom/url/URLSearchParams.h b/dom/url/URLSearchParams.h
index 239c8bc3c503..ff3904b93b5a 100644
--- a/dom/url/URLSearchParams.h
+++ b/dom/url/URLSearchParams.h
@@ -50,6 +50,9 @@ public:
     URLParamsIterator(const nsString& aName, const nsString& aValue) = 0;
   };
 
+  static bool
+  Parse(const nsACString& aInput, ForEachIterator& aIterator);
+
   void
   ParseInput(const nsACString& aInput);