Make isolated file system works for a device root (e.g. X:\\)

chrome/browser/extensions/api/app/app_api.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/api/app/app_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/string_number_conversions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
@@ skipping 112 matching lines @@
     Profile* profile, const Extension* extension) {
   // TODO(benwells): remove this logging.
   LOG(ERROR) << "Dispatching onLaunched with no data.";
   profile->GetExtensionEventRouter()->DispatchEventToExtension(
       extension->id(), kOnLaunchedEvent, "[]", NULL, GURL());
 }
 
 // static.
 void AppEventRouter::DispatchOnLaunchedEventWithFileEntry(
     Profile* profile, const Extension* extension, const string16& action,
-    const std::string& file_system_id, const FilePath& base_name) {
+    const std::string& file_system_id, const std::string& base_name) {
   // TODO(benwells): remove this logging.
   LOG(ERROR) << "Dispatching onLaunched with file entry.";
   ListValue args;
   DictionaryValue* launch_data = new DictionaryValue();
   DictionaryValue* intent = new DictionaryValue();
   intent->SetString("action", UTF16ToUTF8(action));
   intent->SetString("type", "chrome-extension://fileentry");
   launch_data->Set("intent", intent);
   args.Append(launch_data);
   DictionaryValue* intent_data = new DictionaryValue();
   intent_data->SetString("format", "fileEntry");
   intent_data->SetString("fileSystemId", file_system_id);
-  intent_data->SetString("baseName", base_name.value());
+  intent_data->SetString("baseName", base_name);
   args.Append(intent_data);
   std::string json_args;
   base::JSONWriter::Write(&args, &json_args);
   profile->GetExtensionEventRouter()->DispatchEventToExtension(
       extension->id(), kOnLaunchedEvent, json_args, NULL, GURL());
 }
 
 // static.
 void AppEventRouter::DispatchOnLaunchedEventWithWebIntent(
     Profile* profile, const Extension* extension,
@@ skipping 30 matching lines @@
       NOTREACHED();
       break;
   }
   std::string json_args;
   base::JSONWriter::Write(&args, &json_args);
   profile->GetExtensionEventRouter()->DispatchEventToExtension(
       extension->id(), kOnLaunchedEvent, json_args, NULL, GURL());
 }
 
 }  // namespace extensions