No bug - re-use the mode_to_origin function. r=me

MozReview-Commit-ID: AcDR6KcrbWI

servo/ports/geckolib/glue.rs

@@ -1134,15 +1134,19 @@ pub extern "C" fn Servo_Element_IsPrimaryStyleReusedViaRuleNode(element: RawGeck
     data.flags.contains(data::ElementDataFlags::PRIMARY_STYLE_REUSED_VIA_RULE_NODE)
 }
 
-#[no_mangle]
-pub extern "C" fn Servo_StyleSheet_Empty(mode: SheetParsingMode) -> RawServoStyleSheetContentsStrong {
-    let global_style_data = &*GLOBAL_STYLE_DATA;
-    let origin = match mode {
+fn mode_to_origin(mode: SheetParsingMode) -> Origin {
+    match mode {
         SheetParsingMode::eAuthorSheetFeatures => Origin::Author,
         SheetParsingMode::eUserSheetFeatures => Origin::User,
         SheetParsingMode::eAgentSheetFeatures => Origin::UserAgent,
         SheetParsingMode::eSafeAgentSheetFeatures => Origin::UserAgent,
-    };
+    }
+}
+
+#[no_mangle]
+pub extern "C" fn Servo_StyleSheet_Empty(mode: SheetParsingMode) -> RawServoStyleSheetContentsStrong {
+    let global_style_data = &*GLOBAL_STYLE_DATA;
+    let origin = mode_to_origin(mode);
     let shared_lock = &global_style_data.shared_lock;
     Arc::new(
         StylesheetContents::from_str(
@@ -1158,15 +1162,6 @@ pub extern "C" fn Servo_StyleSheet_Empty(mode: SheetParsingMode) -> RawServoStyl
     ).into_strong()
 }
 
-fn mode_to_origin(mode: SheetParsingMode) -> Origin {
-    match mode {
-        SheetParsingMode::eAuthorSheetFeatures => Origin::Author,
-        SheetParsingMode::eUserSheetFeatures => Origin::User,
-        SheetParsingMode::eAgentSheetFeatures => Origin::UserAgent,
-        SheetParsingMode::eSafeAgentSheetFeatures => Origin::UserAgent,
-    }
-}
-
 /// Note: The load_data corresponds to this sheet, and is passed as the parent
 /// load data for child sheet loads. It may be null for certain cases where we
 /// know we won't have child loads.