--- a/layout/style/StyleSheet.cpp
+++ b/layout/style/StyleSheet.cpp
@@ -7,16 +7,18 @@
 #include "mozilla/StyleSheet.h"
 
 #include "mozilla/dom/CSSRuleList.h"
 #include "mozilla/dom/ShadowRoot.h"
 #include "mozilla/ServoStyleSheet.h"
 #include "mozilla/StyleSheetInlines.h"
 #include "mozilla/CSSStyleSheet.h"
 
+#include "mozAutoDocUpdate.h"
+#include "nsIMediaList.h"
 #include "nsNullPrincipal.h"
 
 namespace mozilla {
 
 StyleSheet::StyleSheet(StyleBackendType aType, css::SheetParsingMode aParsingMode)
   : mDocument(nullptr)
   , mOwningNode(nullptr)
   , mParsingMode(aParsingMode)
@@ -318,12 +320,12 @@ StyleSheet::AreRulesAvailable(nsIPrincip
   return true;
 }
 
 // nsWrapperCache
 
 JSObject*
 StyleSheet::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
 {
-  return CSSStyleSheetBinding::Wrap(aCx, this, aGivenProto);
+  return dom::CSSStyleSheetBinding::Wrap(aCx, this, aGivenProto);
 }
 
 } // namespace mozilla

--- a/layout/style/nsAnimationManager.cpp
+++ b/layout/style/nsAnimationManager.cpp
@@ -323,17 +323,17 @@ UpdateOldAnimationPropertiesWithNew(
     bool aNewIsStylePaused,
     nsStyleContext* aStyleContext)
 {
   bool animationChanged = false;
 
   // Update the old from the new so we can keep the original object
   // identity (and any expando properties attached to it).
   if (aOld.GetEffect()) {
-    AnimationEffectReadOnly* oldEffect = aOld.GetEffect();
+    dom::AnimationEffectReadOnly* oldEffect = aOld.GetEffect();
     animationChanged = oldEffect->SpecifiedTiming() != aNewTiming;
     oldEffect->SetSpecifiedTiming(aNewTiming);
 
     KeyframeEffectReadOnly* oldKeyframeEffect = oldEffect->AsKeyframeEffect();
     if (oldKeyframeEffect) {
       oldKeyframeEffect->SetKeyframes(Move(aNewKeyframes), aStyleContext);
     }
   }

--- a/layout/style/nsStyleUtil.cpp
+++ b/layout/style/nsStyleUtil.cpp
@@ -3,16 +3,17 @@
  * 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 "nsStyleUtil.h"
 #include "nsStyleConsts.h"
 
 #include "nsIContent.h"
 #include "nsCSSProps.h"
+#include "nsContentUtils.h"
 #include "nsRuleNode.h"
 #include "nsROCSSPrimitiveValue.h"
 #include "nsStyleStruct.h"
 #include "nsIContentPolicy.h"
 #include "nsIContentSecurityPolicy.h"
 #include "nsIURI.h"
 #include "nsPrintfCString.h"
 

--- a/layout/style/nsTransitionManager.cpp
+++ b/layout/style/nsTransitionManager.cpp
@@ -355,34 +355,34 @@ CSSTransition::HasLowerCompositeOrderTha
   }
 
   // 3. (Same transition generation): Sort by transition property
   return nsCSSProps::GetStringValue(TransitionProperty()) <
          nsCSSProps::GetStringValue(aOther.TransitionProperty());
 }
 
 /* static */ Nullable<TimeDuration>
-CSSTransition::GetCurrentTimeAt(const DocumentTimeline& aTimeline,
+CSSTransition::GetCurrentTimeAt(const dom::DocumentTimeline& aTimeline,
                                 const TimeStamp& aBaseTime,
                                 const TimeDuration& aStartTime,
                                 double aPlaybackRate)
 {
   Nullable<TimeDuration> result;
 
   Nullable<TimeDuration> timelineTime = aTimeline.ToTimelineTime(aBaseTime);
   if (!timelineTime.IsNull()) {
     result.SetValue((timelineTime.Value() - aStartTime)
                       .MultDouble(aPlaybackRate));
   }
 
   return result;
 }
 
 void
-CSSTransition::SetEffectFromStyle(AnimationEffectReadOnly* aEffect)
+CSSTransition::SetEffectFromStyle(dom::AnimationEffectReadOnly* aEffect)
 {
   Animation::SetEffectNoUpdate(aEffect);
 
   // Initialize transition property.
   ElementPropertyTransition* pt = aEffect ? aEffect->AsTransition() : nullptr;
   if (eCSSProperty_UNKNOWN == mTransitionProperty && pt) {
     mTransitionProperty = pt->TransitionProperty();
     mTransitionToValue = pt->ToValue();