Disable ServiceWorker when JS is disabled

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 1765 matching lines @@
   // to the TabSpecificContentSettings, since the service worker is blocked
   // because of the extension, rather than because of the user's content
   // settings.
   if (!ChromeContentBrowserClientExtensionsPart::AllowServiceWorker(
           scope, first_party_url, context, render_process_id,
           render_frame_id)) {
     return false;
   }
 #endif
 
+  // Check if Cookie is allowed

[falken, 2016/09/28 13:51:27]

nit: add a period to the end of comments:
https://google.github.io/styleguide/cppguide.html#Punctuation,_Spelling_and_G...

"Check if cookies are allowed." is more natural.

[shimazu, 2016/09/29 04:26:34]

Done.

   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
   bool allow = io_data->GetCookieSettings()->IsSettingCookieAllowed(
       scope, first_party_url);
 
+  // Check if JS is allowed

[falken, 2016/09/28 13:51:27]

nit: same

[shimazu, 2016/09/29 04:26:34]

Done.

+  content_settings::SettingInfo info;
+  std::unique_ptr<base::Value> value =
+      io_data->GetHostContentSettingsMap()->GetWebsiteSetting(
+          first_party_url, first_party_url, CONTENT_SETTINGS_TYPE_JAVASCRIPT,
+          std::string(), &info);
+  ContentSetting setting = content_settings::ValueToContentSetting(value.get());
+  allow = allow && (setting == CONTENT_SETTING_ALLOW);
+
   // Record access to database for potential display in UI.
   // Only post the task if this is for a specific frame.
   if (render_process_id != -1 && render_frame_id != -1) {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&TabSpecificContentSettings::ServiceWorkerAccessed,
                    render_process_id, render_frame_id, scope, !allow));
   }
   return allow;
 }
@@ skipping 1413 matching lines @@
   if (channel <= kMaxDisableEncryptionChannel) {
     static const char* const kWebRtcDevSwitchNames[] = {
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)