1 files changed, 54 insertions, 0 deletions
diff --git a/layout/style/AnimationCommon.cpp b/layout/style/AnimationCommon.cpp
new file mode 100644
index 000000000..f4ebc2a93
--- /dev/null
+++ b/layout/style/AnimationCommon.cpp
@@ -0,0 +1,54 @@
+/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
+/* 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/. */
+
+#include "AnimationCommon.h"
+#include "nsTransitionManager.h"
+#include "nsAnimationManager.h"
+
+#include "ActiveLayerTracker.h"
+#include "gfxPlatform.h"
+#include "nsCSSPropertyIDSet.h"
+#include "nsCSSValue.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsStyleContext.h"
+#include "nsIFrame.h"
+#include "nsLayoutUtils.h"
+#include "FrameLayerBuilder.h"
+#include "nsDisplayList.h"
+#include "mozilla/AnimationUtils.h"
+#include "mozilla/EffectCompositor.h"
+#include "mozilla/EffectSet.h"
+#include "mozilla/MemoryReporting.h"
+#include "mozilla/dom/KeyframeEffectReadOnly.h"
+#include "nsRuleProcessorData.h"
+#include "nsStyleSet.h"
+#include "nsStyleChangeList.h"
+
+using mozilla::dom::Animation;
+using mozilla::dom::KeyframeEffectReadOnly;
+
+namespace mozilla {
+
+nsPresContext*
+OwningElementRef::GetRenderedPresContext() const
+{
+  if (!mElement) {
+    return nullptr;
+  }
+
+  nsIDocument* doc = mElement->GetComposedDoc();
+  if (!doc) {
+    return nullptr;
+  }
+
+  nsIPresShell* shell = doc->GetShell();
+  if (!shell) {
+    return nullptr;
+  }
+
+  return shell->GetPresContext();
+}
+
+} // namespace mozilla