fix #23441

src/vs/platform/theme/common/styler.ts

@@ -6,7 +6,7 @@
 'use strict';
 
 import { ITheme, IThemeService } from 'vs/platform/theme/common/themeService';
-import { inputBackground, inputForeground, ColorIdentifier, selectForeground, selectBackground, selectBorder, inputBorder, foreground, editorBackground, highContrastBorder } from 'vs/platform/theme/common/colorRegistry';
+import { inputBackground, inputForeground, ColorIdentifier, selectForeground, selectBackground, selectBorder, inputBorder, foreground, editorBackground, highContrastBorder, editorFindCheckedBorders } from 'vs/platform/theme/common/colorRegistry';
 import { IDisposable } from "vs/base/common/lifecycle";
 
 export interface IThemable {
@@ -44,6 +44,15 @@ export function attachSelectBoxStyler(widget: IThemable, themeService: IThemeSer
 	});
 }
 
+export function attachFindInputBoxStyler(widget: IThemable, themeService: IThemeService, style?: { inputBackground?: ColorIdentifier, inputForeground?: ColorIdentifier, inputBorder?: ColorIdentifier, checkedBorderColor?: ColorIdentifier }): IDisposable {
+	return attachStyler(themeService, widget, {
+		inputBackground: (style && style.inputBackground) || inputBackground,
+		inputForeground: (style && style.inputForeground) || inputForeground,
+		inputBorder: (style && style.inputBorder) || inputBorder,
+		checkedBorderColor: (style && style.checkedBorderColor) || editorFindCheckedBorders
+	});
+}
+
 export function attachQuickOpenStyler(widget: IThemable, themeService: IThemeService, style?: { foreground?: ColorIdentifier, background?: ColorIdentifier, borderColor?: ColorIdentifier, inputBackground?: ColorIdentifier, inputForeground?: ColorIdentifier, inputBorder?: ColorIdentifier }): IDisposable {
 	return attachStyler(themeService, widget, {
 		foreground: (style && style.foreground) || foreground,

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

@@ -27,7 +27,7 @@ import { isSearchViewletFocussed, appendKeyBindingLabel } from 'vs/workbench/par
 import { CONTEXT_FIND_WIDGET_NOT_VISIBLE } from 'vs/editor/contrib/find/common/findController';
 import { HistoryNavigator } from 'vs/base/common/history';
 import * as Constants from 'vs/workbench/parts/search/common/constants';
-import { attachInputBoxStyler } from 'vs/platform/theme/common/styler';
+import { attachInputBoxStyler, attachFindInputBoxStyler } from 'vs/platform/theme/common/styler';
 import { IThemeService } from 'vs/platform/theme/common/themeService';
 
 export interface ISearchWidgetOptions {
@@ -219,7 +219,7 @@ export class SearchWidget extends Widget {
 
 		let searchInputContainer = dom.append(parent, dom.$('.search-container.input-box'));
 		this.searchInput = this._register(new FindInput(searchInputContainer, this.contextViewService, inputOptions));
-		this._register(attachInputBoxStyler(this.searchInput, this.themeService));
+		this._register(attachFindInputBoxStyler(this.searchInput, this.themeService));
 		this.searchInput.onKeyUp((keyboardEvent: IKeyboardEvent) => this.onSearchInputKeyUp(keyboardEvent));
 		this.searchInput.setValue(options.value || '');
 		this.searchInput.setRegex(!!options.isRegex);