Install Chrome OS apps to shared location

extensions/browser/extension_prefs.cc

 // Copyright 2014 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 "extensions/browser/extension_prefs.h"
 
 #include <iterator>
 
 #include "base/command_line.h"
 #include "base/prefs/pref_notifier.h"
@@ skipping 1317 matching lines @@
     bool update_required =
         !extension_dict->GetDictionary(kPrefManifest, &old_manifest) ||
         !extension->manifest()->value()->Equals(old_manifest);
     if (update_required) {
       UpdateExtensionPref(extension->id(), kPrefManifest,
                           extension->manifest()->value()->DeepCopy());
     }
   }
 }
 
-base::FilePath ExtensionPrefs::GetExtensionPath(
-    const std::string& extension_id) {
-  const base::DictionaryValue* dict = GetExtensionPref(extension_id);
-  if (!dict)
-    return base::FilePath();
-
-  std::string path;
-  if (!dict->GetString(kPrefPath, &path))
-    return base::FilePath();
-
-  return install_directory_.Append(base::FilePath::FromUTF8Unsafe(path));
-}
-
 scoped_ptr<ExtensionInfo> ExtensionPrefs::GetInstalledInfoHelper(
     const std::string& extension_id,
     const base::DictionaryValue* extension) const {
   int location_value;
   if (!extension->GetInteger(kPrefLocation, &location_value))
     return scoped_ptr<ExtensionInfo>();
 
   base::FilePath::StringType path;
   if (!extension->GetString(kPrefPath, &path))
     return scoped_ptr<ExtensionInfo>();
 
   // Make path absolute. Unpacked extensions will already have absolute paths,
   // otherwise make it so.
   Manifest::Location location = static_cast<Manifest::Location>(location_value);
+#if !defined(OS_CHROMEOS)
   if (!Manifest::IsUnpackedLocation(location)) {
     DCHECK(location == Manifest::COMPONENT ||
            !base::FilePath(path).IsAbsolute());
+#else
+  // On Chrome OS some extensions can be installed to shared location and
+  // thus use absolute paths in prefs.
+  if (!base::FilePath(path).IsAbsolute()) {
+#endif  // !defined(OS_CHROMEOS)
     path = install_directory_.Append(path).value();
   }
 
   // Only the following extension types have data saved in the preferences.
   if (location != Manifest::INTERNAL &&
       !Manifest::IsUnpackedLocation(location) &&
       !Manifest::IsExternalLocation(location)) {
     NOTREACHED();
     return scoped_ptr<ExtensionInfo>();
   }
@@ skipping 861 matching lines @@
   extension_pref_value_map_->RegisterExtension(
       extension_id, install_time, is_enabled, is_incognito_enabled);
 
   FOR_EACH_OBSERVER(
       ExtensionPrefsObserver,
       observer_list_,
       OnExtensionRegistered(extension_id, install_time, is_enabled));
 }
 
 }  // namespace extensions