diff --git a/src/vs/workbench/api/common/extHost.api.impl.ts b/src/vs/workbench/api/common/extHost.api.impl.ts
index 26ef1db530a..c872655f012 100644
--- a/src/vs/workbench/api/common/extHost.api.impl.ts
+++ b/src/vs/workbench/api/common/extHost.api.impl.ts
@@ -105,7 +105,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 	const extHostOutputService = rpcProtocol.set(ExtHostContext.ExtHostOutputService, accessor.get(IExtHostOutputService));
 
 	// manually create and register addressable instances
-	const extHostWebviews = rpcProtocol.set(ExtHostContext.ExtHostWebviews, new ExtHostWebviews(rpcProtocol, initData.environment, extHostWorkspace));
+	const extHostWebviews = rpcProtocol.set(ExtHostContext.ExtHostWebviews, new ExtHostWebviews(rpcProtocol, initData.environment, extHostWorkspace, extHostLogService));
 	const extHostUrls = rpcProtocol.set(ExtHostContext.ExtHostUrls, new ExtHostUrls(rpcProtocol));
 	const extHostDocuments = rpcProtocol.set(ExtHostContext.ExtHostDocuments, new ExtHostDocuments(rpcProtocol, extHostDocumentsAndEditors));
 	const extHostDocumentContentProviders = rpcProtocol.set(ExtHostContext.ExtHostDocumentContentProviders, new ExtHostDocumentContentProvider(rpcProtocol, extHostDocumentsAndEditors, extHostLogService));
diff --git a/src/vs/workbench/api/common/extHostWebview.ts b/src/vs/workbench/api/common/extHostWebview.ts
index bd3b3b0daf1..e13466a070d 100644
--- a/src/vs/workbench/api/common/extHostWebview.ts
+++ b/src/vs/workbench/api/common/extHostWebview.ts
@@ -5,10 +5,12 @@
 
 import { Emitter, Event } from 'vs/base/common/event';
 import { Disposable } from 'vs/base/common/lifecycle';
+import { assertIsDefined } from 'vs/base/common/types';
 import { URI, UriComponents } from 'vs/base/common/uri';
 import { generateUuid } from 'vs/base/common/uuid';
 import * as modes from 'vs/editor/common/modes';
 import { IExtensionDescription } from 'vs/platform/extensions/common/extensions';
+import { ILogService } from 'vs/platform/log/common/log';
 import * as typeConverters from 'vs/workbench/api/common/extHostTypeConverters';
 import { IExtHostWorkspace } from 'vs/workbench/api/common/extHostWorkspace';
 import { EditorViewColumn } from 'vs/workbench/api/common/shared/editor';
@@ -16,7 +18,6 @@ import { asWebviewUri, WebviewInitData } from 'vs/workbench/api/common/shared/we
 import * as vscode from 'vscode';
 import { ExtHostWebviewsShape, IMainContext, MainContext, MainThreadWebviewsShape, WebviewPanelHandle, WebviewPanelViewStateData } from './extHost.protocol';
 import { Disposable as VSCodeDisposable } from './extHostTypes';
-import { assertIsDefined } from 'vs/base/common/types';
 
 type IconPath = URI | { light: URI, dark: URI };
 
@@ -35,6 +36,7 @@ export class ExtHostWebview implements vscode.Webview {
 		private readonly _initData: WebviewInitData,
 		private readonly _workspace: IExtHostWorkspace | undefined,
 		private readonly _extension: IExtensionDescription,
+		private readonly _logService: ILogService,
 	) { }
 
 	public dispose() {
@@ -63,7 +65,7 @@ export class ExtHostWebview implements vscode.Webview {
 			if (this._initData.isExtensionDevelopmentDebug && !this._hasCalledAsWebviewUri) {
 				if (/(["'])vscode-resource:([^\s'"]+?)(["'])/i.test(value)) {
 					this._hasCalledAsWebviewUri = true;
-					console.warn(`${this._extension.identifier.value} created a webview that appears to use the vscode-resource scheme directly. Please migrate to use the 'webview.asWebviewUri' api instead: https://aka.ms/vscode-webview-use-aswebviewuri`);
+					this._logService.warn(`${this._extension.identifier.value} created a webview that appears to use the vscode-resource scheme directly. Please migrate to use the 'webview.asWebviewUri' api instead: https://aka.ms/vscode-webview-use-aswebviewuri`);
 				}
 			}
 			this._proxy.$setHtml(this._handle, value);
@@ -272,6 +274,7 @@ export class ExtHostWebviews implements ExtHostWebviewsShape {
 		mainContext: IMainContext,
 		private readonly initData: WebviewInitData,
 		private readonly workspace: IExtHostWorkspace | undefined,
+		private readonly _logService: ILogService,
 	) {
 		this._proxy = mainContext.getProxy(MainContext.MainThreadWebviews);
 	}
@@ -292,7 +295,7 @@ export class ExtHostWebviews implements ExtHostWebviewsShape {
 		const handle = ExtHostWebviews.newHandle();
 		this._proxy.$createWebviewPanel({ id: extension.identifier, location: extension.extensionLocation }, handle, viewType, title, webviewShowOptions, convertWebviewOptions(extension, this.workspace, options));
 
-		const webview = new ExtHostWebview(handle, this._proxy, options, this.initData, this.workspace, extension);
+		const webview = new ExtHostWebview(handle, this._proxy, options, this.initData, this.workspace, extension, this._logService);
 		const panel = new ExtHostWebviewEditor(handle, this._proxy, viewType, title, viewColumn, options, webview);
 		this._webviewPanels.set(handle, panel);
 		return panel;
@@ -349,7 +352,7 @@ export class ExtHostWebviews implements ExtHostWebviewsShape {
 		_handle: WebviewPanelHandle,
 		extensionId: string
 	): void {
-		console.warn(`${extensionId} created a webview without a content security policy: https://aka.ms/vscode-webview-missing-csp`);
+		this._logService.warn(`${extensionId} created a webview without a content security policy: https://aka.ms/vscode-webview-missing-csp`);
 	}
 
 	public $onDidChangeWebviewPanelViewStates(newStates: WebviewPanelViewStateData): void {
@@ -409,7 +412,7 @@ export class ExtHostWebviews implements ExtHostWebviewsShape {
 		}
 		const { serializer, extension } = entry;
 
-		const webview = new ExtHostWebview(webviewHandle, this._proxy, options, this.initData, this.workspace, extension);
+		const webview = new ExtHostWebview(webviewHandle, this._proxy, options, this.initData, this.workspace, extension, this._logService);
 		const revivedPanel = new ExtHostWebviewEditor(webviewHandle, this._proxy, viewType, title, typeof position === 'number' && position >= 0 ? typeConverters.ViewColumn.to(position) : undefined, options, webview);
 		this._webviewPanels.set(webviewHandle, revivedPanel);
 		await serializer.deserializeWebviewPanel(revivedPanel, state);
@@ -429,7 +432,7 @@ export class ExtHostWebviews implements ExtHostWebviewsShape {
 		}
 
 		const { provider, extension } = entry;
-		const webview = new ExtHostWebview(handle, this._proxy, options, this.initData, this.workspace, extension);
+		const webview = new ExtHostWebview(handle, this._proxy, options, this.initData, this.workspace, extension, this._logService);
 		const revivedPanel = new ExtHostWebviewEditor(handle, this._proxy, viewType, title, typeof position === 'number' && position >= 0 ? typeConverters.ViewColumn.to(position) : undefined, options, webview);
 		this._webviewPanels.set(handle, revivedPanel);
 		const capabilities = await provider.resolveWebviewEditor({ resource: URI.revive(resource) }, revivedPanel);
diff --git a/src/vs/workbench/test/electron-browser/api/extHostWebview.test.ts b/src/vs/workbench/test/electron-browser/api/extHostWebview.test.ts
index 37a88c04dcc..8febbdbdf9e 100644
--- a/src/vs/workbench/test/electron-browser/api/extHostWebview.test.ts
+++ b/src/vs/workbench/test/electron-browser/api/extHostWebview.test.ts
@@ -4,14 +4,15 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as assert from 'assert';
+import { URI } from 'vs/base/common/uri';
+import { IExtensionDescription } from 'vs/platform/extensions/common/extensions';
+import { NullLogService } from 'vs/platform/log/common/log';
 import { MainThreadWebviews } from 'vs/workbench/api/browser/mainThreadWebview';
 import { ExtHostWebviews } from 'vs/workbench/api/common/extHostWebview';
+import { EditorViewColumn } from 'vs/workbench/api/common/shared/editor';
 import { mock } from 'vs/workbench/test/electron-browser/api/mock';
 import * as vscode from 'vscode';
 import { SingleProxyRPCProtocol } from './testRPCProtocol';
-import { EditorViewColumn } from 'vs/workbench/api/common/shared/editor';
-import { URI } from 'vs/base/common/uri';
-import { IExtensionDescription } from 'vs/platform/extensions/common/extensions';
 
 suite('ExtHostWebview', () => {
 
@@ -23,7 +24,7 @@ suite('ExtHostWebview', () => {
 			webviewCspSource: '',
 			webviewResourceRoot: '',
 			isExtensionDevelopmentDebug: false,
-		}, undefined);
+		}, undefined, new NullLogService());
 
 		let lastInvokedDeserializer: vscode.WebviewPanelSerializer | undefined = undefined;
 
@@ -61,7 +62,7 @@ suite('ExtHostWebview', () => {
 			webviewCspSource: '',
 			webviewResourceRoot: 'vscode-resource://{{resource}}',
 			isExtensionDevelopmentDebug: false,
-		}, undefined);
+		}, undefined, new NullLogService());
 		const webview = extHostWebviews.createWebviewPanel({} as any, 'type', 'title', 1, {});
 
 		assert.strictEqual(
@@ -102,7 +103,7 @@ suite('ExtHostWebview', () => {
 			webviewCspSource: '',
 			webviewResourceRoot: `https://{{uuid}}.webview.contoso.com/commit/{{resource}}`,
 			isExtensionDevelopmentDebug: false,
-		}, undefined);
+		}, undefined, new NullLogService());
 		const webview = extHostWebviews.createWebviewPanel({} as any, 'type', 'title', 1, {});
 
 		function stripEndpointUuid(input: string) {