Tweaked the PR

src/vs/workbench/parts/emmet/node/actions/expandAbbreviation.ts

@@ -9,7 +9,6 @@ import nls = require('vs/nls');
 import {BasicEmmetEditorAction} from 'vs/workbench/parts/emmet/node/emmetActions';
 
 import {CommonEditorRegistry, EditorActionDescriptor} from 'vs/editor/common/editorCommonExtensions';
-import {IEditorActionDescriptorData, ICommonCodeEditor} from 'vs/editor/common/editorCommon';
 import {IConfigurationService} from 'vs/platform/configuration/common/configuration';
 
 import editorCommon = require('vs/editor/common/editorCommon');
@@ -21,9 +20,14 @@ class ExpandAbbreviationAction extends BasicEmmetEditorAction {
 
 	static ID = 'editor.emmet.action.expandAbbreviation';
 
-	constructor(descriptor: IEditorActionDescriptorData, editor: ICommonCodeEditor, @IConfigurationService configurationService: IConfigurationService) {
+	constructor(descriptor: editorCommon.IEditorActionDescriptorData, editor: editorCommon.ICommonCodeEditor, @IConfigurationService configurationService: IConfigurationService) {
 		super(descriptor, editor, configurationService, 'expand_abbreviation');
 	}
+
+	public noExpansionOccurred(actionId?: string): void {
+		// forward the tab key back to the editor
+		this.editor.trigger('emmet', editorCommon.Handler.Tab, {});
+	}
 }
 
 CommonEditorRegistry.registerEditorAction(new EditorActionDescriptor(ExpandAbbreviationAction,

src/vs/workbench/parts/emmet/node/editorAccessor.ts

@@ -23,13 +23,6 @@ export class EditorAccessor implements emmet.Editor {
 		this.editor = editor;
 	}
 
-	public noExpansionOccurred(actionId?: string): void {
-		// return the tab key handling back to the editor only for Expand Abbreviation command
-		if (actionId === 'editor.emmet.action.expandAbbreviation') {
-			this.editor.trigger('emmet', Handler.Tab, {});
-		}
-	}
-
 	public isEmmetEnabledMode(): boolean {
 		let syntax = this.getSyntax();
 		return (this.emmetSupportedModes.indexOf(syntax) !== -1);

src/vs/workbench/parts/emmet/node/emmetActions.ts

@@ -61,6 +61,10 @@ export abstract class EmmetEditorAction extends EditorAction {
 
 	abstract runEmmetAction(_emmet: any);
 
+	protected noExpansionOccurred() {
+		// default do nothing
+	}
+
 	public run(): TPromise<boolean> {
 		return new TPromise((c, e) => {
 			require(['emmet'], (_emmet) => {
@@ -68,7 +72,7 @@ export abstract class EmmetEditorAction extends EditorAction {
 
 				try {
 					if (!this.editorAccessor.isEmmetEnabledMode()) {
-						this.editorAccessor.noExpansionOccurred(this.id);
+						this.noExpansionOccurred();
 						return;
 					}
 					this.updateEmmetPreferences(_emmet);
@@ -95,7 +99,7 @@ export class BasicEmmetEditorAction extends EmmetEditorAction {
 
 	public runEmmetAction(_emmet) {
 		if (!_emmet.run(this.emmetActionName, this.editorAccessor)) {
-			this.editorAccessor.noExpansionOccurred();
+			this.noExpansionOccurred();
 		}
 	}
 }