new implementation of default apps

chrome/browser/extensions/extension_service.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 2234 matching lines @@
 
 bool ExtensionService::OnExternalExtensionFileFound(
          const std::string& id,
          const Version* version,
          const FilePath& path,
          Extension::Location location,
          int creation_flags,
          bool mark_acknowledged) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   CHECK(Extension::IdIsValid(id));
-  if (extension_prefs_->IsExternalExtensionUninstalled(id))
-    return false;
+
+  // The default apps use the external extensions installer but are installed
+  // as internal.
+  if (location != Extension::INTERNAL) {
+    if (extension_prefs_->IsExternalExtensionUninstalled(id))
+      return false;
+  }
 
   DCHECK(version);
 
   // Before even bothering to unpack, check and see if we already have this
   // version. This is important because these extensions are going to get
   // installed on every startup.
   const Extension* existing = GetExtensionById(id, true);
   if (existing) {
     switch (existing->version()->CompareTo(*version)) {
       case -1:  // existing version is older, we should upgrade
@@ skipping 279 matching lines @@
 
 ExtensionService::NaClModuleInfoList::iterator
     ExtensionService::FindNaClModule(const GURL& url) {
   for (NaClModuleInfoList::iterator iter = nacl_module_list_.begin();
        iter != nacl_module_list_.end(); ++iter) {
     if (iter->url == url)
       return iter;
   }
   return nacl_module_list_.end();
 }