diff --git a/gfx/webrender_bindings/WebRenderTypes.cpp b/gfx/webrender_bindings/WebRenderTypes.cpp
index 9e319b9c8a62..6f2a6022cb26 100644
--- a/gfx/webrender_bindings/WebRenderTypes.cpp
+++ b/gfx/webrender_bindings/WebRenderTypes.cpp
@@ -7,6 +7,7 @@
 #include "WebRenderTypes.h"
 
 #include "mozilla/ipc/ByteBuf.h"
+#include "nsStyleConsts.h"
 
 namespace mozilla {
 namespace wr {
@@ -19,6 +20,51 @@ WindowId NewWindowId() {
   return id;
 }
 
+BorderStyle ToBorderStyle(StyleBorderStyle aStyle) {
+  switch (aStyle) {
+    case StyleBorderStyle::None:
+      return wr::BorderStyle::None;
+    case StyleBorderStyle::Solid:
+      return wr::BorderStyle::Solid;
+    case StyleBorderStyle::Double:
+      return wr::BorderStyle::Double;
+    case StyleBorderStyle::Dotted:
+      return wr::BorderStyle::Dotted;
+    case StyleBorderStyle::Dashed:
+      return wr::BorderStyle::Dashed;
+    case StyleBorderStyle::Hidden:
+      return wr::BorderStyle::Hidden;
+    case StyleBorderStyle::Groove:
+      return wr::BorderStyle::Groove;
+    case StyleBorderStyle::Ridge:
+      return wr::BorderStyle::Ridge;
+    case StyleBorderStyle::Inset:
+      return wr::BorderStyle::Inset;
+    case StyleBorderStyle::Outset:
+      return wr::BorderStyle::Outset;
+    default:
+      MOZ_ASSERT(false);
+  }
+  return wr::BorderStyle::None;
+}
+
+wr::RepeatMode ToRepeatMode(StyleBorderImageRepeat aRepeat) {
+  switch (aRepeat) {
+    case StyleBorderImageRepeat::Stretch:
+      return wr::RepeatMode::Stretch;
+    case StyleBorderImageRepeat::Repeat:
+      return wr::RepeatMode::Repeat;
+    case StyleBorderImageRepeat::Round:
+      return wr::RepeatMode::Round;
+    case StyleBorderImageRepeat::Space:
+      return wr::RepeatMode::Space;
+    default:
+      MOZ_ASSERT(false);
+  }
+
+  return wr::RepeatMode::Stretch;
+}
+
 void Assign_WrVecU8(wr::WrVecU8& aVec, mozilla::ipc::ByteBuf&& aOther) {
   aVec.data = aOther.mData;
   aVec.length = aOther.mLen;
diff --git a/gfx/webrender_bindings/WebRenderTypes.h b/gfx/webrender_bindings/WebRenderTypes.h
index 95d5b5e5a762..5537df607f9b 100644
--- a/gfx/webrender_bindings/WebRenderTypes.h
+++ b/gfx/webrender_bindings/WebRenderTypes.h
@@ -21,10 +21,12 @@
 #include "mozilla/TypeTraits.h"
 #include "mozilla/Variant.h"
 #include "Units.h"
-#include "nsStyleConsts.h"
 
 namespace mozilla {
 
+enum class StyleBorderStyle : uint8_t;
+enum class StyleBorderImageRepeat : uint8_t;
+
 namespace ipc {
 class ByteBuf;
 }  // namespace ipc
@@ -539,36 +541,10 @@ static inline wr::LayoutTransform ToLayoutTransform(
   return transform;
 }
 
-static inline wr::BorderStyle ToBorderStyle(const StyleBorderStyle& style) {
-  switch (style) {
-    case StyleBorderStyle::None:
-      return wr::BorderStyle::None;
-    case StyleBorderStyle::Solid:
-      return wr::BorderStyle::Solid;
-    case StyleBorderStyle::Double:
-      return wr::BorderStyle::Double;
-    case StyleBorderStyle::Dotted:
-      return wr::BorderStyle::Dotted;
-    case StyleBorderStyle::Dashed:
-      return wr::BorderStyle::Dashed;
-    case StyleBorderStyle::Hidden:
-      return wr::BorderStyle::Hidden;
-    case StyleBorderStyle::Groove:
-      return wr::BorderStyle::Groove;
-    case StyleBorderStyle::Ridge:
-      return wr::BorderStyle::Ridge;
-    case StyleBorderStyle::Inset:
-      return wr::BorderStyle::Inset;
-    case StyleBorderStyle::Outset:
-      return wr::BorderStyle::Outset;
-    default:
-      MOZ_ASSERT(false);
-  }
-  return wr::BorderStyle::None;
-}
+wr::BorderStyle ToBorderStyle(StyleBorderStyle style);
 
 static inline wr::BorderSide ToBorderSide(const gfx::Color& color,
-                                          const StyleBorderStyle& style) {
+                                          StyleBorderStyle style) {
   wr::BorderSide bs;
   bs.color = ToColorF(color);
   bs.style = ToBorderStyle(style);
@@ -649,23 +625,7 @@ static inline wr::LayoutSideOffsets ToLayoutSideOffsets(float top, float right,
   return offset;
 }
 
-static inline wr::RepeatMode ToRepeatMode(
-    mozilla::StyleBorderImageRepeat repeatMode) {
-  switch (repeatMode) {
-    case mozilla::StyleBorderImageRepeat::Stretch:
-      return wr::RepeatMode::Stretch;
-    case mozilla::StyleBorderImageRepeat::Repeat:
-      return wr::RepeatMode::Repeat;
-    case mozilla::StyleBorderImageRepeat::Round:
-      return wr::RepeatMode::Round;
-    case mozilla::StyleBorderImageRepeat::Space:
-      return wr::RepeatMode::Space;
-    default:
-      MOZ_ASSERT(false);
-  }
-
-  return wr::RepeatMode::Stretch;
-}
+wr::RepeatMode ToRepeatMode(StyleBorderImageRepeat);
 
 template <class S, class T>
 static inline wr::WrTransformProperty ToWrTransformProperty(
diff --git a/toolkit/components/browser/nsWebBrowser.cpp b/toolkit/components/browser/nsWebBrowser.cpp
index 19aa7b423f2d..47ef6d66e18d 100644
--- a/toolkit/components/browser/nsWebBrowser.cpp
+++ b/toolkit/components/browser/nsWebBrowser.cpp
@@ -37,6 +37,7 @@
 
 // for painting the background window
 #include "mozilla/LookAndFeel.h"
+#include "mozilla/ServoStyleConsts.h"
 
 // Printing Includes
 #ifdef NS_PRINTING