Issue 71980: Extensions code should use UTF-16 for user-visible Unicode strings

chrome/browser/extensions/sandboxed_extension_unpacker.h

 // Copyright (c) 2011 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_SANDBOXED_EXTENSION_UNPACKER_H_
 #define CHROME_BROWSER_EXTENSIONS_SANDBOXED_EXTENSION_UNPACKER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 20 matching lines @@
   //
   // original_manifest - The parsed but unmodified version of the manifest,
   // with no modifications such as localization, etc.
   //
   // extension - The extension that was unpacked. The client is responsible
   // for deleting this memory.
   virtual void OnUnpackSuccess(const FilePath& temp_dir,
                                const FilePath& extension_root,
                                const base::DictionaryValue* original_manifest,
                                const Extension* extension) = 0;
-  virtual void OnUnpackFailure(const std::string& error) = 0;
+  virtual void OnUnpackFailure(const string16& error) = 0;
 
  protected:
   friend class base::RefCountedThreadSafe<SandboxedExtensionUnpackerClient>;
 
   virtual ~SandboxedExtensionUnpackerClient() {}
 };
 
 // SandboxedExtensionUnpacker unpacks extensions from the CRX format into a
 // directory. This is done in a sandboxed subprocess to protect the browser
 // process from parsing complex formats like JPEG or JSON from untrusted
@@ skipping 140 matching lines @@
 
   // Starts the utility process that unpacks our extension.
   void StartProcessOnIOThread(const FilePath& temp_crx_path);
 
   // UtilityProcessHost::Client
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnProcessCrashed(int exit_code) OVERRIDE;
 
   // IPC message handlers.
   void OnUnpackExtensionSucceeded(const base::DictionaryValue& manifest);
-  void OnUnpackExtensionFailed(const std::string& error_message);
+  void OnUnpackExtensionFailed(const string16& error_message);
 
-  void ReportFailure(FailureReason reason, const std::string& message);
+  void ReportFailure(FailureReason reason, const string16& message);
   void ReportSuccess(const base::DictionaryValue& original_manifest);
 
   // Overwrites original manifest with safe result from utility process.
   // Returns NULL on error. Caller owns the returned object.
   base::DictionaryValue* RewriteManifestFile(
       const base::DictionaryValue& manifest);
 
   // Overwrites original files with safe results from utility process.
   // Reports error and returns false if it fails.
   bool RewriteImageFiles();
@@ skipping 31 matching lines @@
 
   // Location to use for the unpacked extension.
   Extension::Location location_;
 
   // Creation flags to use for the extension.  These flags will be used
   // when calling Extenion::Create() by the crx installer.
   int creation_flags_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_SANDBOXED_EXTENSION_UNPACKER_H_