diff -r 000000000000 -r 6474c204b198 dom/base/nsDOMWindowUtils.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/base/nsDOMWindowUtils.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsDOMWindowUtils_h_
+#define nsDOMWindowUtils_h_
+
+#include "nsWeakReference.h"
+
+#include "nsIDOMWindowUtils.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/BasicEvents.h"
+
+class nsGlobalWindow;
+class nsIPresShell;
+class nsIWidget;
+class nsPresContext;
+class nsPoint;
+class nsIDocument;
+
+namespace mozilla {
+  namespace layers {
+    class LayerTransactionChild;
+  }
+}
+
+class nsTranslationNodeList MOZ_FINAL : public nsITranslationNodeList
+{
+public:
+  nsTranslationNodeList()
+  {
+    mNodes.SetCapacity(1000);
+    mNodeIsRoot.SetCapacity(1000);
+    mLength = 0;
+  }
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSITRANSLATIONNODELIST
+
+  void AppendElement(nsIDOMNode* aElement, bool aIsRoot)
+  {
+    mNodes.AppendElement(aElement);
+    mNodeIsRoot.AppendElement(aIsRoot);
+    mLength++;
+  }
+
+private:
+  nsTArray<nsCOMPtr<nsIDOMNode> > mNodes;
+  nsTArray<bool> mNodeIsRoot;
+  uint32_t mLength;
+};
+
+class nsDOMWindowUtils MOZ_FINAL : public nsIDOMWindowUtils,
+                                   public nsSupportsWeakReference
+{
+public:
+  nsDOMWindowUtils(nsGlobalWindow *aWindow);
+  ~nsDOMWindowUtils();
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIDOMWINDOWUTILS
+
+protected:
+  nsWeakPtr mWindow;
+
+  // If aOffset is non-null, it gets filled in with the offset of the root
+  // frame of our window to the nearest widget in the app units of our window.
+  // Add this offset to any event offset we're given to make it relative to the
+  // widget returned by GetWidget.
+  nsIWidget* GetWidget(nsPoint* aOffset = nullptr);
+  nsIWidget* GetWidgetForElement(nsIDOMElement* aElement);
+
+  nsIPresShell* GetPresShell();
+  nsPresContext* GetPresContext();
+  nsIDocument* GetDocument();
+  mozilla::layers::LayerTransactionChild* GetLayerTransaction();
+
+  NS_IMETHOD SendMouseEventCommon(const nsAString& aType,
+                                  float aX,
+                                  float aY,
+                                  int32_t aButton,
+                                  int32_t aClickCount,
+                                  int32_t aModifiers,
+                                  bool aIgnoreRootScrollFrame,
+                                  float aPressure,
+                                  unsigned short aInputSourceArg,
+                                  bool aToWindow,
+                                  bool *aPreventDefault,
+                                  bool aIsSynthesized);
+
+  NS_IMETHOD SendTouchEventCommon(const nsAString& aType,
+                                  uint32_t* aIdentifiers,
+                                  int32_t* aXs,
+                                  int32_t* aYs,
+                                  uint32_t* aRxs,
+                                  uint32_t* aRys,
+                                  float* aRotationAngles,
+                                  float* aForces,
+                                  uint32_t aCount,
+                                  int32_t aModifiers,
+                                  bool aIgnoreRootScrollFrame,
+                                  bool aToWindow,
+                                  bool* aPreventDefault);
+
+
+  static mozilla::Modifiers GetWidgetModifiers(int32_t aModifiers);
+};
+
+#endif