Replace all occurrences of words meaning "off the record" with "incognito"

chrome/browser/ui/views/frame/browser_view.cc

Index: chrome/browser/ui/views/frame/browser_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index 5339809471f2b05aeb33fb80c0354ed45c98710c..31581e115d323c58210a8fd37c50f2143261723e 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -1973,8 +1973,8 @@ void BrowserView::GetAccessibleState(ui::AXViewState* state) {
 void BrowserView::OnThemeChanged() {
   if (!IsRegularOrGuestSession() &&
       ui::MaterialDesignController::IsModeMaterial()) {
-    // When the theme changes, the native theme may also change (in OTR, the
-    // usage of dark or normal hinges on the browser theme), so we have to
+    // When the theme changes, the native theme may also change (in incognito,
+    // the usage of dark or normal hinges on the browser theme), so we have to
     // propagate both kinds of change.
     base::AutoReset<bool> reset(&handling_theme_changed_, true);
 #if defined(OS_WIN)