Fix a few callback casts for strictFunctions

With TS 2.6's strict functions mode, you cannot use a subclass in place of a parent parameter type in a callback

src/vs/workbench/parts/files/test/browser/fileEditorInput.test.ts

@@ -86,16 +86,16 @@ suite('Files - FileEditorInput', () => {
 
 						resolvedModelA.dispose();
 
-						return inputToResolve.resolve(true).then((resolved: TextFileEditorModel) => {
+						return inputToResolve.resolve(true).then(resolved => {
 							assert(resolvedModelA !== resolved); // Different instance, because input got disposed
 
-							let stat = resolved.getStat();
-							return inputToResolve.resolve(true).then((resolved: TextFileEditorModel) => {
-								assert(stat !== resolved.getStat()); // Different stat, because resolve always goes to the server for refresh
+							let stat = (resolved as TextFileEditorModel).getStat();
+							return inputToResolve.resolve(true).then(resolved => {
+								assert(stat !== (resolved as TextFileEditorModel).getStat()); // Different stat, because resolve always goes to the server for refresh
 
-								stat = resolved.getStat();
-								return inputToResolve.resolve(false).then((resolved: TextFileEditorModel) => {
-									assert(stat === resolved.getStat()); // Same stat, because not refreshed
+								stat = (resolved as TextFileEditorModel).getStat();
+								return inputToResolve.resolve(false).then(resolved => {
+									assert(stat === (resolved as TextFileEditorModel).getStat()); // Same stat, because not refreshed
 
 									done();
 								});

src/vs/workbench/parts/search/browser/searchActions.ts

@@ -369,8 +369,8 @@ export class FindInWorkspaceAction extends Action {
 	}
 
 	public run(event?: any): TPromise<any> {
-		return this.viewletService.openViewlet(Constants.VIEWLET_ID, true).then((viewlet: SearchViewlet) => {
-			viewlet.searchInFolder(null);
+		return this.viewletService.openViewlet(Constants.VIEWLET_ID, true).then(viewlet => {
+			(viewlet as SearchViewlet).searchInFolder(null);
 		});
 	}
 }
@@ -406,9 +406,9 @@ export const findInFolderCommand = (accessor: ServicesAccessor, resource?: URI)
 		}
 	}
 
-	viewletService.openViewlet(Constants.VIEWLET_ID, true).then((viewlet: SearchViewlet) => {
+	viewletService.openViewlet(Constants.VIEWLET_ID, true).then(viewlet => {
 		if (resource) {
-			viewlet.searchInFolder(resource);
+			(viewlet as SearchViewlet).searchInFolder(resource);
 		}
 	}).done(null, errors.onUnexpectedError);
 };
@@ -480,8 +480,8 @@ export class FocusNextSearchResultAction extends Action {
 	}
 
 	public run(): TPromise<any> {
-		return this.viewletService.openViewlet(Constants.VIEWLET_ID).then((searchViewlet: SearchViewlet) => {
-			searchViewlet.selectNextMatch();
+		return this.viewletService.openViewlet(Constants.VIEWLET_ID).then(searchViewlet => {
+			(searchViewlet as SearchViewlet).selectNextMatch();
 		});
 	}
 }
@@ -495,8 +495,8 @@ export class FocusPreviousSearchResultAction extends Action {
 	}
 
 	public run(): TPromise<any> {
-		return this.viewletService.openViewlet(Constants.VIEWLET_ID).then((searchViewlet: SearchViewlet) => {
-			searchViewlet.selectPreviousMatch();
+		return this.viewletService.openViewlet(Constants.VIEWLET_ID).then(searchViewlet => {
+			(searchViewlet as SearchViewlet).selectPreviousMatch();
 		});
 	}
 }

src/vs/workbench/services/textfile/test/textFileEditorModelManager.test.ts

@@ -322,15 +322,15 @@ suite('Files - TextFileEditorModelManager', () => {
 
 		const resource = toResource('/path/index_something.txt');
 
-		manager.loadOrCreate(resource, { encoding: 'utf8' }).done((model: TextFileEditorModel) => {
+		manager.loadOrCreate(resource, { encoding: 'utf8' }).done(model => {
 			model.textEditorModel.setValue('make dirty');
 
-			manager.disposeModel(model);
+			manager.disposeModel(model as TextFileEditorModel);
 			assert.ok(!model.isDisposed());
 
 			model.revert(true);
 
-			manager.disposeModel(model);
+			manager.disposeModel(model as TextFileEditorModel);
 			assert.ok(model.isDisposed());
 
 			manager.dispose();

src/vs/workbench/services/textmodelResolver/test/textModelResolverService.test.ts

@@ -71,9 +71,9 @@ suite('Workbench - TextModelResolverService', () => {
 		let resource = URI.from({ scheme: 'test', authority: null, path: 'thePath' });
 		let input: ResourceEditorInput = instantiationService.createInstance(ResourceEditorInput, 'The Name', 'The Description', resource);
 
-		input.resolve().then((model: ResourceEditorModel) => {
+		input.resolve().then(model => {
 			assert.ok(model);
-			assert.equal(model.getValue(), 'Hello Test');
+			assert.equal((model as ResourceEditorModel).getValue(), 'Hello Test');
 
 			let disposed = false;
 			once(model.onDispose)(() => {