Add more management policy checking after extension installed

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 <set>
 #include <string>
@@ skipping 529 matching lines @@
                           bool was_ephemeral);
 
   // Disables the extension if the privilege level has increased
   // (e.g., due to an upgrade).
   void CheckPermissionsIncrease(const extensions::Extension* extension,
                                 bool is_extension_installed);
 
   // Helper that updates the active extension list used for crash reporting.
   void UpdateActiveExtensionsInCrashReporter();
 
-  // Helper to determine whether we should initially enable an installed
-  // (or upgraded) extension.
-  bool ShouldEnableOnInstall(const extensions::Extension* extension);
+  // Helper to get the disable reason for an installed (or upgraded) extension.
+  // A return value of Extension::DISABLE_NONE indicates that we should enable
+  // this extension initially.
+  extensions::Extension::DisableReason GetDisableReasonOnInstalled(
+      const extensions::Extension* extension);
 
   // Helper to determine if updating an extensions should proceed immediately,
   // or if we should delay the update until further notice.
   bool ShouldDelayExtensionUpdate(const std::string& extension_id,
                                   bool install_immediately) const;
 
   // Manages the blacklisted extensions, intended as callback from
   // Blacklist::GetBlacklistedIDs.
   void ManageBlacklist(
       const extensions::Blacklist::BlacklistStateMap& blacklisted_ids);
@@ skipping 165 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            WillNotLoadBlacklistedExtensionsFromDirectory);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest, ReloadBlacklistedExtension);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest, BlacklistedInPrefsFromStartup);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            GreylistedExtensionDisabled);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            GreylistDontEnableManuallyDisabled);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            GreylistUnknownDontChange);
+  FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
+                           ManagementPolicyProhibitsEnableOnInstalled);
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_