diff --git a/src/vs/workbench/parts/webview/electron-browser/webviewEditor.ts b/src/vs/workbench/parts/webview/electron-browser/webviewEditor.ts
index 8a2bce37230ced345f389a9882c5fd1596dc7695..8d4ce8cb3db0807e379bbf5149f6d22eff1f8b51 100644
--- a/src/vs/workbench/parts/webview/electron-browser/webviewEditor.ts
+++ b/src/vs/workbench/parts/webview/electron-browser/webviewEditor.ts
@@ -24,9 +24,9 @@ export class WebviewEditor extends BaseWebviewEditor {
 
 	public static readonly ID = 'WebviewEditor';
 
-	private editorFrame: HTMLElement;
-	private content: HTMLElement;
-	private webviewContent: HTMLElement | undefined;
+	private _editorFrame: HTMLElement;
+	private _content: HTMLElement;
+	private _webviewContent: HTMLElement | undefined;
 
 	private _webviewFocusTracker?: DOM.IFocusTracker;
 	private _webviewFocusListenerDisposable?: IDisposable;
@@ -45,15 +45,15 @@ export class WebviewEditor extends BaseWebviewEditor {
 	}
 
 	protected createEditor(parent: HTMLElement): void {
-		this.editorFrame = parent;
-		this.content = document.createElement('div');
-		parent.appendChild(this.content);
+		this._editorFrame = parent;
+		this._content = document.createElement('div');
+		parent.appendChild(this._content);
 	}
 
 	private doUpdateContainer() {
 		const webviewContainer = this.input && (this.input as WebviewEditorInput).container;
 		if (webviewContainer && webviewContainer.parentElement) {
-			const frameRect = this.editorFrame.getBoundingClientRect();
+			const frameRect = this._editorFrame.getBoundingClientRect();
 			const containerRect = webviewContainer.parentElement.getBoundingClientRect();
 
 			webviewContainer.style.position = 'absolute';
@@ -74,7 +74,7 @@ export class WebviewEditor extends BaseWebviewEditor {
 	public dispose(): void {
 		// Let the editor input dispose of the webview.
 		this._webview = undefined;
-		this.webviewContent = undefined;
+		this._webviewContent = undefined;
 
 		this._onDidFocusWebview.dispose();
 
@@ -110,12 +110,12 @@ export class WebviewEditor extends BaseWebviewEditor {
 			this.updateWebview(this.input as WebviewEditorInput);
 		}
 
-		if (this.webviewContent) {
+		if (this._webviewContent) {
 			if (visible) {
-				this.webviewContent.style.visibility = 'visible';
+				this._webviewContent.style.visibility = 'visible';
 				this.doUpdateContainer();
 			} else {
-				this.webviewContent.style.visibility = 'hidden';
+				this._webviewContent.style.visibility = 'hidden';
 			}
 		}
 
@@ -128,7 +128,7 @@ export class WebviewEditor extends BaseWebviewEditor {
 		}
 
 		this._webview = undefined;
-		this.webviewContent = undefined;
+		this._webviewContent = undefined;
 
 		super.clearInput();
 	}
@@ -141,7 +141,7 @@ export class WebviewEditor extends BaseWebviewEditor {
 		if (this.input) {
 			(this.input as WebviewEditorInput).releaseWebview(this);
 			this._webview = undefined;
-			this.webviewContent = undefined;
+			this._webviewContent = undefined;
 		}
 		await super.setInput(input, options);
 
@@ -162,8 +162,8 @@ export class WebviewEditor extends BaseWebviewEditor {
 		};
 		input.html = input.html;
 
-		if (this.webviewContent) {
-			this.webviewContent.style.visibility = 'visible';
+		if (this._webviewContent) {
+			this._webviewContent.style.visibility = 'visible';
 		}
 
 		this.doUpdateContainer();
@@ -182,7 +182,7 @@ export class WebviewEditor extends BaseWebviewEditor {
 			return this._webview;
 		}
 
-		this.webviewContent = input.container;
+		this._webviewContent = input.container;
 
 		this.trackFocus();
 
@@ -193,7 +193,7 @@ export class WebviewEditor extends BaseWebviewEditor {
 		}
 
 		if (input.options.enableFindWidget) {
-			this._contextKeyService = this._contextKeyService.createScoped(this.webviewContent);
+			this._contextKeyService = this._contextKeyService.createScoped(this._webviewContent);
 			this.contextKey = KEYBINDING_CONTEXT_WEBVIEWEDITOR_FOCUS.bindTo(this._contextKeyService);
 			this.findInputFocusContextKey = KEYBINDING_CONTEXT_WEBVIEWEDITOR_FIND_WIDGET_INPUT_FOCUSED.bindTo(this._contextKeyService);
 			this.findWidgetVisible = KEYBINDING_CONTEXT_WEBVIEW_FIND_WIDGET_VISIBLE.bindTo(this._contextKeyService);
@@ -207,7 +207,7 @@ export class WebviewEditor extends BaseWebviewEditor {
 				enableWrappedPostMessage: true,
 				useSameOriginForRoot: false
 			});
-		this._webview.mountTo(this.webviewContent);
+		this._webview.mountTo(this._webviewContent);
 		input.webview = this._webview;
 
 		if (input.options.tryRestoreScrollPosition) {
@@ -216,7 +216,7 @@ export class WebviewEditor extends BaseWebviewEditor {
 
 		this._webview.state = input.webviewState;
 
-		this.content.setAttribute('aria-flowto', this.webviewContent.id);
+		this._content.setAttribute('aria-flowto', this._webviewContent.id);
 
 		this.doUpdateContainer();
 		return this._webview;
@@ -230,7 +230,7 @@ export class WebviewEditor extends BaseWebviewEditor {
 			this._webviewFocusListenerDisposable.dispose();
 		}
 
-		this._webviewFocusTracker = DOM.trackFocus(this.webviewContent);
+		this._webviewFocusTracker = DOM.trackFocus(this._webviewContent);
 		this._webviewFocusListenerDisposable = this._webviewFocusTracker.onDidFocus(() => {
 			this._onDidFocusWebview.fire();
 		});