remove tree fake row

src/vs/base/parts/tree/browser/tree.css

@@ -147,14 +147,6 @@
 	opacity: 0.3;
 }
 
-/* Fake row */
-.monaco-tree .monaco-tree-rows > .monaco-tree-row.fake {
-	position: absolute;
-	visibility: hidden;
-	top: -1000px;
-	left: -1000px;
-	z-index: -100;
-}
 
 /* Bare row */
 .monaco-tree.bare .monaco-tree-wrapper.drop-target,

src/vs/base/parts/tree/browser/treeImpl.ts

@@ -307,10 +307,6 @@ export class Tree extends Events.EventEmitter implements _.ITree {
 		return this.model.hasTrait(trait, element);
 	}
 
-	public withFakeRow(fn:(container:HTMLElement)=>any):any {
-		return this.view.withFakeRow(fn);
-	}
-
 	getNavigator(): INavigator<any> {
 		return new MappedNavigator(this.model.getNavigator(), i => i && i.getElement());
 	}

src/vs/base/parts/tree/browser/treeView.ts

@@ -390,9 +390,6 @@ export class TreeView extends HeightMap implements IScrollable {
 	private lastPointerType:string;
 	private lastClickTimeStamp: number = 0;
 
-	private fakeRow: HTMLElement;
-	private fakeContent: HTMLElement;
-
 	private _viewHeight: number;
 	private renderTop: number;
 	private renderHeight: number;
@@ -480,15 +477,6 @@ export class TreeView extends HeightMap implements IScrollable {
 		this.rowsContainer = document.createElement('div');
 		this.rowsContainer.className = 'monaco-tree-rows';
 
-		this.fakeRow = document.createElement('div');
-		this.fakeRow.className = 'monaco-tree-row fake';
-
-		this.fakeContent = document.createElement('div');
-		this.fakeContent.className = 'content';
-
-		this.fakeRow.appendChild(this.fakeContent);
-		this.rowsContainer.appendChild(this.fakeRow);
-
 		var focusTracker = DOM.trackFocus(this.domNode);
 		focusTracker.addFocusListener((e: FocusEvent) => this.onFocus(e));
 		focusTracker.addBlurListener((e: FocusEvent) => this.onBlur(e));
@@ -731,10 +719,6 @@ export class TreeView extends HeightMap implements IScrollable {
 		this.scrollableElement.onElementInternalDimensions();
 	}
 
-	public withFakeRow(fn:(container:HTMLElement)=>any):any {
-		return fn(this.fakeContent);
-	}
-
 	public focusNextPage(eventPayload?:any): void {
 		var lastPageIndex = this.indexAt(this.scrollTop + this.viewHeight);
 		lastPageIndex = lastPageIndex === 0 ? 0 : lastPageIndex - 1;