Differentiate new permissions from old in extension permission update bubble

chrome/browser/extensions/extension_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 184 matching lines @@
                    const base::CommandLine* command_line,
                    const base::FilePath& install_directory,
                    extensions::ExtensionPrefs* extension_prefs,
                    extensions::Blacklist* blacklist,
                    bool autoupdate_enabled,
                    bool extensions_enabled,
                    extensions::OneShotEvent* ready);
 
   ~ExtensionService() override;
 
+  extensions::ExtensionPrefs* extension_prefs() { return extension_prefs_; }

[Devlin, 2017/04/19 19:18:33]

We should probably just let folks get ExtensionPrefs through the
ExtensionPrefs::Get() method.

[catmullings, 2017/04/20 02:01:59]

Done.

+
   // ExtensionServiceInterface implementation.
   //
   // NOTE: Many of these methods are DEPRECATED. See the interface for details.
   extensions::PendingExtensionManager* pending_extension_manager() override;
   const extensions::Extension* GetExtensionById(
       const std::string& id,
       bool include_disabled) const override;
   const extensions::Extension* GetInstalledExtension(
       const std::string& id) const override;
   bool UpdateExtension(const extensions::CRXFileInfo& file,
@@ skipping 536 matching lines @@
                            GreylistUnknownDontChange);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            ManagementPolicyProhibitsEnableOnInstalled);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            BlockAndUnblockBlacklistedExtension);
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_