Pull CrxInstaller out of ExtensionsService.

chrome/browser/extensions/external_pref_extension_provider.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/browser/extensions/external_pref_extension_provider.h"
 
 #include "app/app_paths.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 57 matching lines @@
     FilePath path(external_crx);
     if (!path.IsAbsolute()) {
       // Try path as relative path from external extension dir.
       FilePath base_path;
       PathService::Get(app::DIR_EXTERNAL_EXTENSIONS, &base_path);
       path = base_path.Append(external_crx);
     }
 
     scoped_ptr<Version> version;
     version.reset(Version::GetVersionFromString(external_version));
-    visitor->OnExternalExtensionFound(
-        WideToASCII(extension_id), version.get(), path);
+    visitor->OnExternalExtensionFound(WideToASCII(extension_id), version.get(),
+                                      path, Extension::EXTERNAL_PREF);
   }
 }
 
 Version* ExternalPrefExtensionProvider::RegisteredVersion(
     const std::string& id, Extension::Location* location) const {
   DictionaryValue* extension = NULL;
   if (!prefs_->GetDictionary(ASCIIToWide(id), &extension))
     return NULL;
 
   std::string external_version;
@@ skipping 18 matching lines @@
     if (extensions) {
       if (!extensions->IsType(Value::TYPE_DICTIONARY)) {
         NOTREACHED() << L"Invalid json data";
       } else {
         dictionary.reset(static_cast<DictionaryValue*>(extensions));
       }
     }
   }
   prefs_.reset(dictionary.release());
 }