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

chrome/browser/extensions/crx_installer.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_CRX_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_CRX_INSTALLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 181 matching lines @@
   virtual ~CrxInstaller();
 
   // Converts the source user script to an extension.
   void ConvertUserScriptOnFileThread();
 
   // Converts the source web app to an extension.
   void ConvertWebAppOnFileThread(const WebApplicationInfo& web_app);
 
   // Called after OnUnpackSuccess as a last check to see whether the install
   // should complete.
-  bool AllowInstall(const Extension* extension, std::string* error);
+  bool AllowInstall(const Extension* extension, string16* error);
 
   // SandboxedExtensionUnpackerClient
-  virtual void OnUnpackFailure(const std::string& error_message) OVERRIDE;
+  virtual void OnUnpackFailure(const string16& error_message) OVERRIDE;
   virtual void OnUnpackSuccess(const FilePath& temp_dir,
                                const FilePath& extension_dir,
                                const base::DictionaryValue* original_manifest,
                                const Extension* extension) OVERRIDE;
 
   // Returns true if we can skip confirmation because the install was
   // whitelisted.
   bool CanSkipConfirmation();
 
   // Runs on the UI thread. Confirms with the user (via ExtensionInstallUI) that
   // it is OK to install this extension.
   void ConfirmInstall();
 
   // Runs on File thread. Install the unpacked extension into the profile and
   // notify the frontend.
   void CompleteInstall();
 
   // Result reporting.
-  void ReportFailureFromFileThread(const std::string& error);
-  void ReportFailureFromUIThread(const std::string& error);
+  void ReportFailureFromFileThread(const string16& error);
+  void ReportFailureFromUIThread(const string16& error);
   void ReportSuccessFromFileThread();
   void ReportSuccessFromUIThread();
   void NotifyCrxInstallComplete(const Extension* extension);
 
   // The file we're installing.
   FilePath source_file_;
 
   // The URL the file was downloaded from.
   GURL download_url_;
 
@@ skipping 90 matching lines @@
   extension_misc::CrxInstallCause install_cause_;
 
   // Creation flags to use for the extension.  These flags will be used
   // when calling Extenion::Create() by the crx installer.
   int creation_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(CrxInstaller);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_CRX_INSTALLER_H_