Improve settings override bubble to indicate policy installed extensions

chrome/browser/ui/cocoa/extensions/extension_message_bubble_browsertest_mac.mm

 // Copyright 2015 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 "base/macros.h"
 #include "chrome/browser/ui/browser_window.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/extensions/browser_action_button.h"
 #import "chrome/browser/ui/cocoa/extensions/browser_actions_controller.h"
 #import "chrome/browser/ui/cocoa/extensions/toolbar_actions_bar_bubble_mac.h"
@@ skipping 143 matching lines @@
     Browser* browser) {
   EXPECT_EQ(
       nil,
       [[ToolbarControllerForBrowser(browser) browserActionsController]
           activeBubble]);
 }
 
 void ExtensionMessageBubbleBrowserTestMac::ClickLearnMoreButton(
     Browser* browser) {
   ToolbarActionsBarBubbleMac* bubble = GetBubbleForBrowser(browser);
-  ClickInView([bubble learnMoreButton]);
+  ClickInView([bubble link]);
 }
 
 void ExtensionMessageBubbleBrowserTestMac::ClickActionButton(Browser* browser) {
   ToolbarActionsBarBubbleMac* bubble = GetBubbleForBrowser(browser);
   ClickInView([bubble actionButton]);
 }
 
 void ExtensionMessageBubbleBrowserTestMac::ClickDismissButton(
     Browser* browser) {
   ToolbarActionsBarBubbleMac* bubble = GetBubbleForBrowser(browser);
@@ skipping 77 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleBrowserTestMac,
                        PRE_TestControlledStartupNotShownOnRestart) {
   PreTestControlledStartupNotShownOnRestart();
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleBrowserTestMac,
                        TestControlledStartupNotShownOnRestart) {
   TestControlledStartupNotShownOnRestart();
 }