Update mixed script shield help center URL to use p-link.

chrome/browser/ui/browser_content_setting_bubble_model_delegate.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/browser_content_setting_bubble_model_delegate.h"
 
 #include "chrome/browser/content_settings/chrome_content_settings_utils.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/tab_dialogs.h"
 #include "chrome/common/url_constants.h"
 #include "components/google/core/browser/google_util.h"
 
 // The URL for when the user clicks "learn more" on the mixed scripting page
 // icon bubble.
 const char kInsecureScriptHelpUrl[] =
-    "https://support.google.com/chrome/answer/1342714";
+    "https://support.google.com/chrome/?p=unauthenticated";
 
 BrowserContentSettingBubbleModelDelegate::
 BrowserContentSettingBubbleModelDelegate(Browser* browser) : browser_(browser) {
 }
 
 BrowserContentSettingBubbleModelDelegate::
 ~BrowserContentSettingBubbleModelDelegate() {
 }
 
 void BrowserContentSettingBubbleModelDelegate::ShowCollectedCookiesDialog(
@@ skipping 26 matching lines @@
 }
 
 void BrowserContentSettingBubbleModelDelegate::ShowLearnMorePage(
     ContentSettingsType type) {
   if (type != CONTENT_SETTINGS_TYPE_PLUGINS)
     return;
   chrome::AddSelectedTabWithURL(browser_,
                                 GURL(chrome::kBlockedPluginLearnMoreURL),
                                 ui::PAGE_TRANSITION_LINK);
 }