diff --git a/dom/base/Link.h b/dom/base/Link.h
index 0974d6108c..99a5735110 100644
--- a/dom/base/Link.h
+++ b/dom/base/Link.h
@@ -13,6 +13,7 @@
 #include "mozilla/IHistory.h"
 #include "mozilla/MemoryReporting.h"
 #include "nsIContent.h" // for nsLinkState
+#include "nsIContentPolicyBase.h" // for nsContentPolicyType
 
 namespace mozilla {
 
diff --git a/dom/html/HTMLSlotElement.cpp b/dom/html/HTMLSlotElement.cpp
index 9286ff9591..eb5b48c22a 100644
--- a/dom/html/HTMLSlotElement.cpp
+++ b/dom/html/HTMLSlotElement.cpp
@@ -10,6 +10,7 @@
 #include "mozilla/dom/ShadowRoot.h"
 #include "nsGkAtoms.h"
 #include "nsDocument.h"
+#include "nsLayoutUtils.h"
 
 nsGenericHTMLElement*
 NS_NewHTMLSlotElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
diff --git a/dom/html/TextTrackManager.cpp b/dom/html/TextTrackManager.cpp
index 1809478f2d..4b69675a0d 100644
--- a/dom/html/TextTrackManager.cpp
+++ b/dom/html/TextTrackManager.cpp
@@ -11,6 +11,7 @@
 #include "mozilla/dom/TextTrackCue.h"
 #include "mozilla/dom/Event.h"
 #include "mozilla/ClearOnShutdown.h"
+#include "mozilla/CycleCollectedJSContext.h"
 #include "nsComponentManagerUtils.h"
 #include "nsVariant.h"
 #include "nsVideoFrame.h"
diff --git a/dom/html/nsHTMLDNSPrefetch.cpp b/dom/html/nsHTMLDNSPrefetch.cpp
index 1b91d8041d..2f55f9672b 100644
--- a/dom/html/nsHTMLDNSPrefetch.cpp
+++ b/dom/html/nsHTMLDNSPrefetch.cpp
@@ -15,6 +15,7 @@
 #include "nsNetUtil.h"
 #include "nsNetCID.h"
 #include "nsIProtocolHandler.h"
+#include "nsContentUtils.h"
 
 #include "nsIDNSListener.h"
 #include "nsIWebProgressListener.h"