Use single editable capability

src/vs/workbench/api/browser/mainThreadWebview.ts

@@ -318,11 +318,8 @@ export class MainThreadWebviews extends Disposable implements extHostProtocol.Ma
 		const model = await this._customEditorService.models.loadOrCreate(webviewInput.getResource(), webviewInput.viewType);
 
 		const capabilitiesSet = new Set(capabilities);
-
-		if (capabilitiesSet.has(extHostProtocol.WebviewEditorCapabilities.Save)) {
+		if (capabilitiesSet.has(extHostProtocol.WebviewEditorCapabilities.Editable)) {
 			model.onWillSave(e => { e.waitUntil(this._proxy.$onSave(handle)); });
-		}
-		if (capabilitiesSet.has(extHostProtocol.WebviewEditorCapabilities.SaveAs)) {
 			model.onWillSaveAs(e => { e.waitUntil(this._proxy.$onSaveAs(handle, e.resource.toJSON(), e.targetResource.toJSON())); });
 		}
 	}

src/vs/workbench/api/common/extHost.protocol.ts

@@ -557,8 +557,7 @@ export interface WebviewExtensionDescription {
 }
 
 export enum WebviewEditorCapabilities {
-	Save,
-	SaveAs,
+	Editable,
 }
 
 export interface MainThreadWebviewsShape extends IDisposable {

src/vs/workbench/api/common/extHostWebview.ts

@@ -483,11 +483,8 @@ export class ExtHostWebviews implements ExtHostWebviewsShape {
 
 	private registerCapabilites(handle: WebviewPanelHandle, capabilities: vscode.WebviewEditorCapabilities) {
 		const declaredCapabilites: WebviewEditorCapabilities[] = [];
-		if (capabilities.editingCapability?.save) {
-			declaredCapabilites.push(WebviewEditorCapabilities.Save);
-		}
-		if (capabilities.editingCapability?.saveAs) {
-			declaredCapabilites.push(WebviewEditorCapabilities.SaveAs);
+		if (capabilities.editingCapability) {
+			declaredCapabilites.push(WebviewEditorCapabilities.Editable);
 		}
 		this._proxy.$registerCapabilities(handle, declaredCapabilites);
 	}