Create withheld permissions

chrome/browser/extensions/extension_util.cc

 // Copyright 2013 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/extensions/extension_util.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_sync_service.h"
+#include "chrome/browser/extensions/permissions_updater.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/manifest_handlers/app_isolation_info.h"
 #include "chrome/common/extensions/sync_helper.h"
 #include "content/public/browser/site_instance.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/extension_util.h"
@@ skipping 154 matching lines @@
   return ExtensionPrefs::Get(context)->ReadPrefAsBoolean(
              extension_id,
              kExtensionAllowedOnAllUrlsPrefName,
              &allowed) &&
          allowed;
 }
 
 void SetAllowedScriptingOnAllUrls(const std::string& extension_id,
                                   content::BrowserContext* context,
                                   bool allowed) {
+  if (allowed == AllowedScriptingOnAllUrls(extension_id, context))
+    return;  // Nothing to do here.
+
   ExtensionPrefs::Get(context)->UpdateExtensionPref(
       extension_id,
       kExtensionAllowedOnAllUrlsPrefName,
       allowed ? new base::FundamentalValue(true) : NULL);
+
+  const Extension* extension =
+      ExtensionRegistry::Get(context)->enabled_extensions().GetByID(
+          extension_id);
+  if (extension) {
+    PermissionsUpdater updater(context);
+    if (allowed)
+      updater.GrantWithheldAllHosts(extension);
+    else
+      updater.WithholdAllHosts(extension);
+  }
 }
 
 bool IsAppLaunchable(const std::string& extension_id,
                      content::BrowserContext* context) {
   int reason = ExtensionPrefs::Get(context)->GetDisableReasons(extension_id);
   return !((reason & Extension::DISABLE_UNSUPPORTED_REQUIREMENT) ||
            (reason & Extension::DISABLE_CORRUPTED));
 }
 
 bool IsAppLaunchableWithoutEnabling(const std::string& extension_id,
@@ skipping 89 matching lines @@
       IDR_APP_DEFAULT_ICON);
 }
 
 const gfx::ImageSkia& GetDefaultExtensionIcon() {
   return *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
       IDR_EXTENSION_DEFAULT_ICON);
 }
 
 }  // namespace util
 }  // namespace extensions