SyncFS: Introduce SyncFileSystemBackend

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index ad4adad6a20bca8485f00033d8f8026f0955a841..d1a1988dab78a7e39767f38773d85b47011b60d6 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -137,6 +137,9 @@
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/message_center/message_center_util.h"
 #include "webkit/browser/fileapi/external_mount_points.h"
+#include "webkit/browser/fileapi/file_system_task_runners.h"
+#include "webkit/browser/fileapi/syncable/syncable_sandbox_mount_point_provider.h"
+#include "webkit/browser/quota/quota_manager.h"
 #include "webkit/common/webpreferences.h"
 #include "webkit/plugins/plugin_switches.h"
 
@@ -2305,6 +2308,9 @@ void ChromeContentBrowserClient::GetAdditionalFileSystemMountPointProviders(
     const base::FilePath& storage_partition_path,
     quota::SpecialStoragePolicy* special_storage_policy,
     fileapi::ExternalMountPoints* external_mount_points,
+    quota::QuotaManagerProxy* quota_manager_proxy,
+    fileapi::FileSystemTaskRunners* task_runners,
+    const fileapi::FileSystemOptions& options,
     ScopedVector<fileapi::FileSystemMountPointProvider>* additional_providers) {
 #if !defined(OS_ANDROID)
   base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
@@ -2325,6 +2331,14 @@ void ChromeContentBrowserClient::GetAdditionalFileSystemMountPointProviders(
   DCHECK(cros_mount_provider->CanHandleType(fileapi::kFileSystemTypeExternal));
   additional_providers->push_back(cros_mount_provider);
 #endif
+
+  additional_providers->push_back(
+      new sync_file_system::SyncableSandboxMountPointProvider(
+          quota_manager_proxy,
+          task_runners->file_task_runner(),
+          storage_partition_path,
+          options,
+          special_storage_policy));
 }
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)