make use of themeColorFromId() helper

src/vs/workbench/browser/parts/editor/editorStatus.ts

@@ -52,6 +52,7 @@ import { IStatusbarEntryAccessor, IStatusbarService, StatusbarAlignment, IStatus
 import { IMarker, IMarkerService, MarkerSeverity, IMarkerData } from 'vs/platform/markers/common/markers';
 import { find } from 'vs/base/common/arrays';
 import { STATUS_BAR_PROMINENT_ITEM_BACKGROUND } from 'vs/workbench/common/theme';
+import { themeColorFromId } from 'vs/platform/theme/common/themeService';
 
 class SideBySideEditorEncodingSupport implements IEncodingSupport {
 	constructor(private master: IEncodingSupport, private details: IEncodingSupport) { }
@@ -389,7 +390,7 @@ export class EditorStatus extends Disposable implements IWorkbenchContribution {
 					text: nls.localize('tabFocusModeEnabled', "Tab Moves Focus"),
 					tooltip: nls.localize('disableTabMode', "Disable Accessibility Mode"),
 					command: 'editor.action.toggleTabFocusMode',
-					backgroundColor: { id: STATUS_BAR_PROMINENT_ITEM_BACKGROUND }
+					backgroundColor: themeColorFromId(STATUS_BAR_PROMINENT_ITEM_BACKGROUND)
 				}, 'status.editor.tabFocusMode', nls.localize('status.editor.tabFocusMode', "Accessibility Mode"), StatusbarAlignment.RIGHT, 100.7);
 			}
 		} else {
@@ -404,7 +405,7 @@ export class EditorStatus extends Disposable implements IWorkbenchContribution {
 					text: nls.localize('screenReaderDetected', "Screen Reader Optimized"),
 					tooltip: nls.localize('screenReaderDetectedExtra', "If you are not using a Screen Reader, please change the setting `editor.accessibilitySupport` to \"off\"."),
 					command: 'showEditorScreenReaderNotification',
-					backgroundColor: { id: STATUS_BAR_PROMINENT_ITEM_BACKGROUND }
+					backgroundColor: themeColorFromId(STATUS_BAR_PROMINENT_ITEM_BACKGROUND)
 				}, 'status.editor.screenReaderMode', nls.localize('status.editor.screenReaderMode', "Screen Reader Mode"), StatusbarAlignment.RIGHT, 100.6);
 			}
 		} else {