--- a/layout/inspector/tests/mochitest.ini
+++ b/layout/inspector/tests/mochitest.ini
@@ -28,10 +28,9 @@ support-files =
   getCSSStyleRules-2.css
 [test_getCSSPseudoElementNames.html]
 [test_getRelativeRuleLine.html]
 [test_get_all_style_sheets.html]
 [test_is_valid_css_color.html]
 [test_isinheritableproperty.html]
 [test_parseStyleSheet.html]
 [test_parseStyleSheetImport.html]
-fail-if = stylo # bug 1387933
 [test_selectormatcheselement.html]

--- a/layout/style/ServoBindingList.h
+++ b/layout/style/ServoBindingList.h
@@ -40,17 +40,18 @@ SERVO_BINDING_FUNC(Servo_Element_IsDispl
 // Styleset and Stylesheet management
 SERVO_BINDING_FUNC(Servo_StyleSheet_FromUTF8Bytes, RawServoStyleSheetContentsStrong,
                    mozilla::css::Loader* loader,
                    mozilla::ServoStyleSheet* gecko_stylesheet,
                    const nsACString* data,
                    mozilla::css::SheetParsingMode parsing_mode,
                    RawGeckoURLExtraData* extra_data,
                    uint32_t line_number_offset,
-                   nsCompatibility quirks_mode)
+                   nsCompatibility quirks_mode,
+                   mozilla::css::LoaderReusableStyleSheets* reusable_sheets)
 SERVO_BINDING_FUNC(Servo_StyleSheet_Empty, RawServoStyleSheetContentsStrong,
                    mozilla::css::SheetParsingMode parsing_mode)
 SERVO_BINDING_FUNC(Servo_StyleSheet_HasRules, bool,
                    RawServoStyleSheetContentsBorrowed sheet)
 SERVO_BINDING_FUNC(Servo_StyleSheet_GetRules, ServoCssRulesStrong,
                    RawServoStyleSheetContentsBorrowed sheet)
 SERVO_BINDING_FUNC(Servo_StyleSheet_Clone, RawServoStyleSheetContentsStrong,
                    RawServoStyleSheetContentsBorrowed sheet,

--- a/layout/style/ServoStyleSheet.cpp
+++ b/layout/style/ServoStyleSheet.cpp
@@ -206,17 +206,17 @@ ServoStyleSheet::ParseSheet(css::Loader*
   MOZ_ASSERT(!mMedia || mMedia->IsServo());
   RefPtr<URLExtraData> extraData =
     new URLExtraData(aBaseURI, aSheetURI, aSheetPrincipal);
 
   NS_ConvertUTF16toUTF8 input(aInput);
   Inner()->mContents =
     Servo_StyleSheet_FromUTF8Bytes(
         aLoader, this, &input, mParsingMode, extraData,
-        aLineNumber, aCompatMode
+        aLineNumber, aCompatMode, aReusableSheets
     ).Consume();
 
   Inner()->mURLData = extraData.forget();
   return NS_OK;
 }
 
 nsresult
 ServoStyleSheet::ReparseSheet(const nsAString& aInput)

--- a/layout/style/test/gtest/StyloParsingBench.cpp
+++ b/layout/style/test/gtest/StyloParsingBench.cpp
@@ -26,17 +26,17 @@ static void ServoParsingBench() {
   ASSERT_TRUE(IsUTF8(css));
 
   RefPtr<URLExtraData> data = new URLExtraData(
     NullPrincipalURI::Create(), nullptr, NullPrincipal::Create());
   for (int i = 0; i < PARSING_REPETITIONS; i++) {
     RefPtr<RawServoStyleSheetContents> stylesheet =
       Servo_StyleSheet_FromUTF8Bytes(
         nullptr, nullptr, &css, eAuthorSheetFeatures,
-        data, 0, eCompatibility_FullStandards
+        data, 0, eCompatibility_FullStandards, nullptr
       ).Consume();
   }
 }
 
 MOZ_GTEST_BENCH(Stylo, Servo_StyleSheet_FromUTF8Bytes_Bench, ServoParsingBench);
 
 #endif