Fullscreen bubble: Draw a white box around "ESC" in "Press ESC to exit".

chrome/browser/ui/exclusive_access/exclusive_access_bubble.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/exclusive_access/exclusive_access_bubble.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/exclusive_access/exclusive_access_context.h"
@@ skipping 147 matching lines @@
 
 base::string16 ExclusiveAccessBubble::GetCurrentDenyButtonText() const {
   return exclusive_access_bubble::GetDenyButtonTextForType(bubble_type_);
 }
 
 base::string16 ExclusiveAccessBubble::GetCurrentAllowButtonText() const {
   return exclusive_access_bubble::GetAllowButtonTextForType(bubble_type_, url_);
 }
 
 base::string16 ExclusiveAccessBubble::GetInstructionText() const {
+  if (!ExclusiveAccessManager::IsSimplifiedFullscreenUIEnabled()) {
+    return l10n_util::GetStringFUTF16(
+        IDS_FULLSCREEN_PRESS_ESC_TO_EXIT_SENTENCE,
+        l10n_util::GetStringUTF16(IDS_APP_ESC_KEY));
+  }
+
   return l10n_util::GetStringFUTF16(IDS_FULLSCREEN_PRESS_ESC_TO_EXIT,
                                     l10n_util::GetStringUTF16(IDS_APP_ESC_KEY));
 }
 
 void ExclusiveAccessBubble::ShowAndStartTimers() {
   Show();
 
   // Do not allow the notification to hide for a few seconds.
   hide_timeout_.Start(FROM_HERE,
                       base::TimeDelta::FromMilliseconds(kInitialDelayMs), this,
                       &ExclusiveAccessBubble::CheckMousePosition);
 
   // Do not show the notification again until a long time has elapsed.
   suppress_notify_timeout_.Start(
       FROM_HERE, base::TimeDelta::FromMilliseconds(kSnoozeNotificationsTimeMs),
       this, &ExclusiveAccessBubble::CheckMousePosition);
 }