Validate hash_sha256 checksum on .crx update.

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>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/extensions/blacklist.h"
 #include "chrome/browser/extensions/extension_management.h"
 #include "chrome/browser/extensions/pending_extension_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "extensions/browser/crx_file_info.h"
 #include "extensions/browser/external_provider_interface.h"
 #include "extensions/browser/install_flag.h"
 #include "extensions/browser/management_policy.h"
 #include "extensions/browser/process_manager.h"
 #include "extensions/browser/uninstall_reason.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/common/manifest.h"
 #include "sync/api/string_ordinal.h"
 
@@ skipping 42 matching lines @@
 
   // Gets the object managing the set of pending extensions.
   virtual extensions::PendingExtensionManager* pending_extension_manager() = 0;
 
   // Installs an update with the contents from |extension_path|. Returns true if
   // the install can be started. Sets |out_crx_installer| to the installer if
   // one was started.
   // TODO(aa): This method can be removed. ExtensionUpdater could use
   // CrxInstaller directly instead.
   virtual bool UpdateExtension(
-      const std::string& id,
-      const base::FilePath& path,
+      const extensions::CRXFileInfo& file,
       bool file_ownership_passed,
       extensions::CrxInstaller** out_crx_installer) = 0;
 
   // DEPRECATED. Use ExtensionRegistry instead.
   //
   // Looks up an extension by its ID.
   //
   // If |include_disabled| is false then this will only include enabled
   // extensions. Use instead:
   //
@@ skipping 102 matching lines @@
 
   // 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 std::string& id,
-                       const base::FilePath& extension_path,
+  bool UpdateExtension(const extensions::CRXFileInfo& file,
                        bool file_ownership_passed,
                        extensions::CrxInstaller** out_crx_installer) override;
   bool IsExtensionEnabled(const std::string& extension_id) const override;
   void UnloadExtension(
       const std::string& extension_id,
       extensions::UnloadedExtensionInfo::Reason reason) override;
   void RemoveComponentExtension(const std::string& extension_id) override;
   void AddExtension(const extensions::Extension* extension) override;
   void AddComponentExtension(const extensions::Extension* extension) override;
   const extensions::Extension* GetPendingExtensionUpdate(
@@ skipping 533 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_