Bug 1680218 - [devtools] Remove supportResourceRequests trait in StyleSheetActor. r=daisuke.

The trait was added in 81, so we can safely remove it now.

Differential Revision: https://phabricator.services.mozilla.com/D98491

devtools/client/styleeditor/StyleSheetEditor.jsm

@@ -276,16 +276,12 @@ StyleSheetEditor.prototype = {
    */
   async _getSourceTextAndPrettify() {
     const styleSheetsFront = await this._getStyleSheetsFront();
-    const traits = await styleSheetsFront.getTraits();
 
     let longStr = null;
     if (this.styleSheet.isOriginalSource) {
       // If the stylesheet is OriginalSource, we should get the texts from SourceMapService.
       // So, for now, we use OriginalSource.getText() as it is.
       longStr = await this.styleSheet.getText();
-    } else if (!traits.supportResourceRequests) {
-      // @backward-compat { version 81 } Older server don't support resource requests.
-      longStr = await this.styleSheet.getText();
     } else {
       longStr = await styleSheetsFront.getText(this.resourceId);
     }
@@ -556,13 +552,7 @@ StyleSheetEditor.prototype = {
    */
   async toggleDisabled() {
     const styleSheetsFront = await this._getStyleSheetsFront();
-    const traits = await styleSheetsFront.getTraits();
-
-    if (traits.supportResourceRequests) {
-      styleSheetsFront.toggleDisabled(this.resourceId).catch(console.error);
-    } else {
-      this.styleSheet.toggleDisabled().catch(console.error);
-    }
+    styleSheetsFront.toggleDisabled(this.resourceId).catch(console.error);
   },
 
   /**
@@ -608,17 +598,12 @@ StyleSheetEditor.prototype = {
 
     try {
       const styleSheetsFront = await this._getStyleSheetsFront();
-      const traits = await styleSheetsFront.getTraits();
+      await styleSheetsFront.update(
+        this.resourceId,
+        this._state.text,
+        this.transitionsEnabled
+      );
 
-      if (traits.supportResourceRequests) {
-        await styleSheetsFront.update(
-          this.resourceId,
-          this._state.text,
-          this.transitionsEnabled
-        );
-      } else {
-        await this.styleSheet.update(this._state.text, this.transitionsEnabled);
-      }
       // Clear any existing mappings from automatic CSS prettification
       // because they were likely invalided by manually editing the stylesheet.
       this._mappings = null;
@@ -823,18 +808,12 @@ StyleSheetEditor.prototype = {
       this._isUpdating = true;
 
       const styleSheetsFront = await this._getStyleSheetsFront();
-      const traits = await styleSheetsFront.getTraits();
 
-      if (traits.supportResourceRequests) {
-        await styleSheetsFront.update(
-          this.resourceId,
-          text,
-          this.transitionsEnabled
-        );
-      } else {
-        const relatedSheet = this.styleSheet.relatedStyleSheet;
-        await relatedSheet.update(text, this.transitionsEnabled);
-      }
+      await styleSheetsFront.update(
+        this.resourceId,
+        text,
+        this.transitionsEnabled
+      );
     }, this.markLinkedFileBroken);
   },
 

devtools/server/actors/style-sheets.js

@@ -58,8 +58,6 @@ var StyleSheetsActor = protocol.ActorClassWithSpec(styleSheetsSpec, {
       traits: {
         // @backward-compat { version 81 } addStyleSheet now supports file name parameter.
         isFileNameSupported: true,
-        // @backward-compat { version 81 } resource requesting supports.
-        supportResourceRequests: true,
       },
     };
   },