Revert "resolveEditorModel: dispose input after model is resolved"

This reverts commit 8ee72d25.

src/vs/workbench/services/editor/browser/editorService.ts

@@ -107,7 +107,7 @@ export class WorkbenchEditorService implements IWorkbenchEditorService {
 			const schema = resourceInput.resource.scheme;
 			if (schema === network.Schemas.http || schema === network.Schemas.https) {
 				window.open(resourceInput.resource.toString(true));
-
+				
 				return TPromise.as<IEditor>(null);
 			}
 		}
@@ -198,29 +198,12 @@ export class WorkbenchEditorService implements IWorkbenchEditorService {
 	public resolveEditorModel(input: IEditorInput, refresh?: boolean): TPromise<IEditorModel>;
 	public resolveEditorModel(input: IResourceInput, refresh?: boolean): TPromise<ITextEditorModel>;
 	public resolveEditorModel(input: any, refresh?: boolean): TPromise<IEditorModel> {
-		let disposeInput = !(input instanceof EditorInput); // dispose input if we created it in here
-
 		return this.createInput(input).then(typedInput => {
-			let resolvePromise: TPromise<IEditorModel>;
 			if (typedInput instanceof EditorInput) {
-				resolvePromise = typedInput.resolve(!!refresh);
-			} else {
-				resolvePromise = TPromise.as<IEditorModel>(null);
+				return typedInput.resolve(!!refresh);
 			}
 
-			return resolvePromise.then(model => {
-				if (disposeInput) {
-					typedInput.dispose();
-				}
-
-				return model;
-			}, error => {
-				if (disposeInput) {
-					typedInput.dispose();
-				}
-
-				return TPromise.wrapError(error);
-			});
+			return TPromise.as<IEditorModel>(null);
 		});
 	}