Fix regression when off-store install is disabled.

chrome/browser/extensions/crx_installer.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_CRX_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_CRX_INSTALLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 124 matching lines @@
     apps_require_extension_mime_type_ = apps_require_extension_mime_type;
   }
 
   void set_original_mime_type(const std::string& original_mime_type) {
     original_mime_type_ = original_mime_type;
   }
 
   extension_misc::CrxInstallCause install_cause() const {
     return install_cause_;
   }
-
   void set_install_cause(extension_misc::CrxInstallCause install_cause) {
     install_cause_ = install_cause;
   }
 
+  bool allow_off_store_install() const { return allow_off_store_install_; }
+  void set_allow_off_store_install(bool val) { allow_off_store_install_ = val; }
+
   void set_page_ordinal(const StringOrdinal& page_ordinal) {
     page_ordinal_ = page_ordinal;
   }
 
   Profile* profile() { return profile_; }
 
  private:
   friend class extensions::ExtensionUpdaterTest;
 
   CrxInstaller(base::WeakPtr<ExtensionService> frontend_weak,
@@ skipping 142 matching lines @@
   std::string original_mime_type_;
 
   // What caused this install?  Used only for histograms that report
   // on failure rates, broken down by the cause of the install.
   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_;
 
+  // Whether to allow off store installation.
+  bool allow_off_store_install_;
+
   DISALLOW_COPY_AND_ASSIGN(CrxInstaller);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_CRX_INSTALLER_H_