gdata: Move ownership of GDataCache to GDataSystemService

chrome/browser/chromeos/extensions/file_browser_private_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/chromeos/extensions/file_browser_private_api.h"
 
 #include <utility>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 180 matching lines @@
   GrantFilePermissionsToHost(render_view_host,
                              mount_point,
                              file_handler_util::GetReadWritePermissions());
 
   // Grant R/W permission for tmp and pinned cache folder.
   gdata::GDataSystemService* system_service =
       gdata::GDataSystemServiceFactory::GetForProfile(profile);
   // |system_service| is NULL if incognito window / guest login.
   if (!system_service || !system_service->file_system())
     return;
-  gdata::GDataFileSystem* gdata_file_system = system_service->file_system();
+  gdata::GDataCache* cache = system_service->cache();
 
   // We check permissions for raw cache file paths only for read-only
   // operations (when fileEntry.file() is called), so read only permissions
   // should be sufficient for all cache paths. For the rest of supported
   // operations the file access check is done for drive/ paths.
   GrantFilePermissionsToHost(render_view_host,
-                             gdata_file_system->GetCacheDirectoryPath(
+                             cache->GetCacheDirectoryPath(
                                  gdata::GDataCache::CACHE_TYPE_TMP),
                              file_handler_util::GetReadOnlyPermissions());
   GrantFilePermissionsToHost(
       render_view_host,
-      gdata_file_system->GetCacheDirectoryPath(
+      cache->GetCacheDirectoryPath(
           gdata::GDataCache::CACHE_TYPE_PERSISTENT),
       file_handler_util::GetReadOnlyPermissions());
 
+  gdata::GDataFileSystem* gdata_file_system = system_service->file_system();
   provider->AddRemoteMountPoint(
       mount_point,
       new gdata::GDataFileSystemProxy(gdata_file_system));
 
   FilePath mount_point_virtual;
   if (provider->GetVirtualPath(mount_point, &mount_point_virtual))
     provider->GrantFileAccessToExtension(extension_id, mount_point_virtual);
 }
 
 // Given a file url, find the virtual FilePath associated with it.
@@ skipping 769 matching lines @@
     return;
   }
 
   const FilePath& source_path = files[0].path;
   const FilePath::StringType& display_name = files[0].display_name;
   // Check if the source path is under GData cache directory.
   gdata::GDataSystemService* system_service =
       gdata::GDataSystemServiceFactory::GetForProfile(profile_);
   gdata::GDataFileSystem* file_system =
       system_service ? system_service->file_system() : NULL;
-  if (file_system && file_system->IsUnderGDataCacheDirectory(source_path)) {
+  gdata::GDataCache* cache =
+      system_service ? system_service->cache() : NULL;
+  if (file_system && cache && cache->IsUnderGDataCacheDirectory(source_path)) {
     file_system->SetMountedState(
         source_path,
         true,
         base::Bind(&AddMountFunction::OnMountedStateSet, this, mount_type_str,
                    display_name));
   } else {
     OnMountedStateSet(mount_type_str, display_name,
                       base::PLATFORM_FILE_OK, source_path);
   }
 }
@@ skipping 1113 matching lines @@
   gdata::GDataSystemService* system_service =
       gdata::GDataSystemServiceFactory::GetForProfile(profile_);
   if (!system_service || !system_service->file_system())
     return false;
 
   FilePath directory_path = GetVirtualPathFromURL(GURL(file_url_as_string));
   system_service->file_system()->RequestDirectoryRefresh(directory_path);
 
   return true;
 }