FileAPI: Add Initialize() function to FileSystemBackend

webkit/browser/fileapi/sandbox_file_system_backend.cc

Index: webkit/browser/fileapi/sandbox_file_system_backend.cc
diff --git a/webkit/browser/fileapi/sandbox_file_system_backend.cc b/webkit/browser/fileapi/sandbox_file_system_backend.cc
index 1c034c9021c5725b7ae89a5201f3897673ce36f2..b74c53a4a19cd3e5978c68f4aa9c4ad695d38bfc 100644
--- a/webkit/browser/fileapi/sandbox_file_system_backend.cc
+++ b/webkit/browser/fileapi/sandbox_file_system_backend.cc
@@ -142,6 +142,19 @@ SandboxFileSystemBackend::SandboxFileSystemBackend(
           !CommandLine::ForCurrentProcess()->HasSwitch(
               kDisableUsageTracking)),
       weak_factory_(this) {
+}
+
+SandboxFileSystemBackend::~SandboxFileSystemBackend() {
+}
+
+bool SandboxFileSystemBackend::CanHandleType(FileSystemType type) const {
+  return type == kFileSystemTypeTemporary ||
+         type == kFileSystemTypePersistent ||
+         type == kFileSystemTypeSyncable ||
+         type == kFileSystemTypeSyncableForInternalSync;
+}
+
+void SandboxFileSystemBackend::Initialize(const FileSystemContext* context) {
   // Set quota observers.
   if (enable_usage_tracking_) {
     update_observers_ = update_observers_.AddObserver(
@@ -163,16 +176,6 @@ SandboxFileSystemBackend::SandboxFileSystemBackend(
   }
 }
 
-SandboxFileSystemBackend::~SandboxFileSystemBackend() {
-}
-
-bool SandboxFileSystemBackend::CanHandleType(FileSystemType type) const {
-  return type == kFileSystemTypeTemporary ||
-         type == kFileSystemTypePersistent ||
-         type == kFileSystemTypeSyncable ||
-         type == kFileSystemTypeSyncableForInternalSync;
-}
-
 void SandboxFileSystemBackend::InitializeFileSystem(
     const GURL& origin_url,
     fileapi::FileSystemType type,