diff -r 000000000000 -r 6474c204b198 content/base/src/nsFormData.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/src/nsFormData.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,100 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsFormData_h__
+#define nsFormData_h__
+
+#include "mozilla/Attributes.h"
+#include "nsIDOMFile.h"
+#include "nsIDOMFormData.h"
+#include "nsIXMLHttpRequest.h"
+#include "nsFormSubmission.h"
+#include "nsWrapperCache.h"
+#include "nsTArray.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/BindingDeclarations.h"
+
+class nsIDOMFile;
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+class HTMLFormElement;
+class GlobalObject;
+} // namespace dom
+} // namespace mozilla
+
+class nsFormData : public nsIDOMFormData,
+                   public nsIXHRSendable,
+                   public nsFormSubmission,
+                   public nsWrapperCache
+{
+public:
+  nsFormData(nsISupports* aOwner = nullptr);
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsFormData,
+                                                         nsIDOMFormData)
+
+  NS_DECL_NSIDOMFORMDATA
+  NS_DECL_NSIXHRSENDABLE
+
+  // nsWrapperCache
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  // WebIDL
+  nsISupports*
+  GetParentObject() const
+  {
+    return mOwner;
+  }
+  static already_AddRefed<nsFormData>
+  Constructor(const mozilla::dom::GlobalObject& aGlobal,
+              const mozilla::dom::Optional<mozilla::dom::NonNull<mozilla::dom::HTMLFormElement> >& aFormElement,
+              mozilla::ErrorResult& aRv);
+  void Append(const nsAString& aName, const nsAString& aValue);
+  void Append(const nsAString& aName, nsIDOMBlob* aBlob,
+              const mozilla::dom::Optional<nsAString>& aFilename);
+
+  // nsFormSubmission
+  virtual nsresult GetEncodedSubmission(nsIURI* aURI,
+                                        nsIInputStream** aPostDataStream) MOZ_OVERRIDE;
+  virtual nsresult AddNameValuePair(const nsAString& aName,
+                                    const nsAString& aValue) MOZ_OVERRIDE
+  {
+    FormDataTuple* data = mFormData.AppendElement();
+    data->name = aName;
+    data->stringValue = aValue;
+    data->valueIsFile = false;
+    return NS_OK;
+  }
+  virtual nsresult AddNameFilePair(const nsAString& aName,
+                                   nsIDOMBlob* aBlob,
+                                   const nsString& aFilename) MOZ_OVERRIDE
+  {
+    FormDataTuple* data = mFormData.AppendElement();
+    data->name = aName;
+    data->fileValue = aBlob;
+    data->filename = aFilename;
+    data->valueIsFile = true;
+    return NS_OK;
+  }
+
+private:
+  nsCOMPtr<nsISupports> mOwner;
+
+  struct FormDataTuple
+  {
+    nsString name;
+    nsString stringValue;
+    nsCOMPtr<nsIDOMBlob> fileValue;
+    nsString filename;
+    bool valueIsFile;
+  };
+
+  nsTArray<FormDataTuple> mFormData;
+};
+
+#endif // nsFormData_h__