Add new icon for open editors view

src/vs/workbench/contrib/files/browser/explorerViewlet.ts

@@ -42,6 +42,7 @@ import { Codicon } from 'vs/base/common/codicons';
 import { registerIcon } from 'vs/platform/theme/common/iconRegistry';
 
 const explorerViewIcon = registerIcon('explorer-view-icon', Codicon.files, localize('explorerViewIcon', 'View icon of the explorer view.'));
+const openEditorsViewIcon = registerIcon('open-editors-view-icon', Codicon.book, localize('openEditorsIcon', 'View icon of the open editors view.'));
 
 export class ExplorerViewletViewsContribution extends Disposable implements IWorkbenchContribution {
 
@@ -112,7 +113,7 @@ export class ExplorerViewletViewsContribution extends Disposable implements IWor
 			id: OpenEditorsView.ID,
 			name: OpenEditorsView.NAME,
 			ctorDescriptor: new SyncDescriptor(OpenEditorsView),
-			containerIcon: explorerViewIcon,
+			containerIcon: openEditorsViewIcon,
 			order: 0,
 			when: OpenEditorsVisibleContext,
 			canToggleVisibility: true,