Implement WebFileSystemImpl::directoryName. This is needed for directory upl...

webkit/glue/webfilesystem_impl.cc

 // Copyright (c) 2010 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 "webkit/glue/webfilesystem_impl.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "net/base/file_stream.h"
@@ skipping 41 matching lines @@
     return false;
   }
   file_util::FileInfo info;
   if (!file_util::GetFileInfo(WebStringToFilePath(path), &info))
     return false;
   result = info.last_modified.ToDoubleT();
   return true;
 }
 
 WebString WebFileSystemImpl::directoryName(const WebString& path) {
-  NOTREACHED();
-  return WebString();
+  FilePath file_path(WebStringToFilePathString(path));
+  return FilePathToWebString(file_path.DirName());
 }
 
 WebString WebFileSystemImpl::pathByAppendingComponent(
     const WebString& webkit_path,
     const WebString& webkit_component) {
   FilePath path(WebStringToFilePathString(webkit_path));
   FilePath component(WebStringToFilePathString(webkit_component));
   FilePath combined_path = path.Append(component);
   return FilePathStringToWebString(combined_path.value());
 }
@@ skipping 71 matching lines @@
 int WebFileSystemImpl::writeToFile(base::PlatformFile handle,
                                    const char* data,
                                    int length) {
   if (handle == base::kInvalidPlatformFileValue || !data || length <= 0)
     return -1;
   net::FileStream file_stream(handle, base::PLATFORM_FILE_WRITE);
   return file_stream.Write(data, length, NULL);
 }
 
 }  // namespace webkit_glue