Set drive as the default download folder

chrome/browser/chromeos/drive/file_system_util.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/chromeos/drive/file_system_util.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 109 matching lines @@
       (kDriveGrandRootDirName));
   return grand_root_path;
 }
 
 const base::FilePath& GetDriveMyDriveRootPath() {
   CR_DEFINE_STATIC_LOCAL(base::FilePath, drive_root_path,
       (kDriveMyDriveRootPath));
   return drive_root_path;
 }
 
+base::FilePath GetDriveMountPointPathUsingUserHash(std::string username_hash) {
+  return base::FilePath(kSpecialMountPointRoot).AppendASCII(
+      net::EscapePath(kDriveMountPointNameBase +
+                      (username_hash.empty() ? "" : "-" + username_hash)));
+}
+
 base::FilePath GetDriveMountPointPath(Profile* profile) {
   std::string id = chromeos::ProfileHelper::GetUserIdHashFromProfile(profile);
   if (id.empty()) {
     // ProfileHelper::GetUserIdHashFromProfile works only when multi-profile is
     // enabled. In that case, we fall back to use UserManager (it basically just
     // returns currently active users's hash in such a case.) I still try
     // ProfileHelper first because it works better in tests.
     chromeos::User* const user =
         chromeos::UserManager::IsInitialized() ?
             chromeos::UserManager::Get()->GetUserByProfile(
                 profile->GetOriginalProfile()) : NULL;
     if (user)
       id = user->username_hash();
   }
-  return base::FilePath(kSpecialMountPointRoot).AppendASCII(
-      net::EscapePath(kDriveMountPointNameBase + (id.empty() ? "" : "-" + id)));
+  return GetDriveMountPointPathUsingUserHash(id);
 }
 
 FileSystemInterface* GetFileSystemByProfile(Profile* profile) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   DriveIntegrationService* integration_service =
       GetIntegrationServiceByProfile(profile);
   return integration_service ? integration_service->file_system() : NULL;
 }
 
@@ skipping 258 matching lines @@
   const bool disable_sync_over_celluar =
       profile->GetPrefs()->GetBoolean(prefs::kDisableDriveOverCellular);
 
   if (is_connection_cellular && disable_sync_over_celluar)
     return DRIVE_CONNECTED_METERED;
   return DRIVE_CONNECTED;
 }
 
 }  // namespace util
 }  // namespace drive