Auto merge of #18207 - bradwerth:reuseImports, r=xidorn

Add a reusable sheets parameter to Servo_StyleSheet_FromUTF8Bytes.

MozReview-Commit-ID: DdMQpUY1WcJ

<!-- Please describe your changes on the following line: -->
https://bugzilla.mozilla.org/show_bug.cgi?id=1387933
https://reviewboard.mozilla.org/r/171308/

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- [ ] These changes fix #__ (github issue number if applicable).

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components/style/gecko/generated/bindings.rs

@@ -1929,7 +1929,9 @@ extern "C" {
                                           extra_data:
                                               *mut RawGeckoURLExtraData,
                                           line_number_offset: u32,
-                                          quirks_mode: nsCompatibility)
+                                          quirks_mode: nsCompatibility,
+                                          reusable_sheets:
+                                              *mut LoaderReusableStyleSheets)
      -> RawServoStyleSheetContentsStrong;
 }
 extern "C" {

ports/geckolib/glue.rs

@@ -69,7 +69,8 @@ use style::gecko_bindings::bindings::nsTArrayBorrowed_uintptr_t;
 use style::gecko_bindings::bindings::nsTimingFunctionBorrowed;
 use style::gecko_bindings::bindings::nsTimingFunctionBorrowedMut;
 use style::gecko_bindings::structs;
-use style::gecko_bindings::structs::{CSSPseudoElementType, CompositeOperation, Loader};
+use style::gecko_bindings::structs::{CSSPseudoElementType, CompositeOperation};
+use style::gecko_bindings::structs::{Loader, LoaderReusableStyleSheets};
 use style::gecko_bindings::structs::{RawServoStyleRule, ServoStyleContextStrong};
 use style::gecko_bindings::structs::{ServoStyleSheet, SheetParsingMode, nsIAtom, nsCSSPropertyID};
 use style::gecko_bindings::structs::{nsCSSFontFaceRule, nsCSSCounterStyleRule};
@@ -867,7 +868,8 @@ pub extern "C" fn Servo_StyleSheet_FromUTF8Bytes(
     mode: SheetParsingMode,
     extra_data: *mut URLExtraData,
     line_number_offset: u32,
-    quirks_mode: nsCompatibility
+    quirks_mode: nsCompatibility,
+    reusable_sheets: *mut LoaderReusableStyleSheets
 ) -> RawServoStyleSheetContentsStrong {
     let global_style_data = &*GLOBAL_STYLE_DATA;
     let input = unsafe { data.as_ref().unwrap().as_str_unchecked() };
@@ -884,7 +886,7 @@ pub extern "C" fn Servo_StyleSheet_FromUTF8Bytes(
     let loader = if loader.is_null() {
         None
     } else {
-        Some(StylesheetLoader::new(loader, stylesheet, ptr::null_mut()))
+        Some(StylesheetLoader::new(loader, stylesheet, reusable_sheets))
     };
 
     // FIXME(emilio): loader.as_ref() doesn't typecheck for some reason?