[fsp] Add support for creating directories.

chrome/browser/chromeos/file_system_provider/provided_file_system.cc

Index: chrome/browser/chromeos/file_system_provider/provided_file_system.cc
diff --git a/chrome/browser/chromeos/file_system_provider/provided_file_system.cc b/chrome/browser/chromeos/file_system_provider/provided_file_system.cc
index 39119fd320eb21abc0e27ce16e15342b4d8fed51..ba51bfa8be05d522efc55fad85838b4c4375c315 100644
--- a/chrome/browser/chromeos/file_system_provider/provided_file_system.cc
+++ b/chrome/browser/chromeos/file_system_provider/provided_file_system.cc
@@ -8,6 +8,7 @@
 #include "base/files/file.h"
 #include "chrome/browser/chromeos/file_system_provider/notification_manager.h"
 #include "chrome/browser/chromeos/file_system_provider/operations/close_file.h"
+#include "chrome/browser/chromeos/file_system_provider/operations/create_directory.h"
 #include "chrome/browser/chromeos/file_system_provider/operations/get_metadata.h"
 #include "chrome/browser/chromeos/file_system_provider/operations/open_file.h"
 #include "chrome/browser/chromeos/file_system_provider/operations/read_directory.h"
@@ -130,6 +131,24 @@ void ProvidedFileSystem::CloseFile(
   }
 }
 
+void ProvidedFileSystem::CreateDirectory(
+    const base::FilePath& directory_path,
+    bool exclusive,
+    bool recursive,
+    const fileapi::AsyncFileUtil::StatusCallback& callback) {
+  if (!request_manager_.CreateRequest(
+          CREATE_DIRECTORY,
+          scoped_ptr<RequestManager::HandlerInterface>(
+              new operations::CreateDirectory(event_router_,
+                                              file_system_info_,
+                                              directory_path,
+                                              exclusive,
+                                              recursive,
+                                              callback)))) {
+    callback.Run(base::File::FILE_ERROR_SECURITY);
+  }
+}
+
 const ProvidedFileSystemInfo& ProvidedFileSystem::GetFileSystemInfo() const {
   return file_system_info_;
 }