Implement Worker-MainThread bridge for FileSystem API in Chrome

content/child/fileapi/webfilesystem_callback_adapters.cc

Index: content/child/fileapi/webfilesystem_callback_adapters.cc
diff --git a/content/child/fileapi/webfilesystem_callback_adapters.cc b/content/child/fileapi/webfilesystem_callback_adapters.cc
index a6e71871491ad999d220a2b3e582ee11dceaf370..de5a59c8a2d76abe45df45dc704189bea0c684f9 100644
--- a/content/child/fileapi/webfilesystem_callback_adapters.cc
+++ b/content/child/fileapi/webfilesystem_callback_adapters.cc
@@ -35,37 +35,6 @@ void FileStatusCallbackAdapter(
     callbacks->didFail(::fileapi::PlatformFileErrorToWebFileError(error));
 }
 
-void ReadMetadataCallbackAdapter(
-    WebKit::WebFileSystemCallbacks* callbacks,
-    const base::PlatformFileInfo& file_info) {
-  WebFileInfo web_file_info;
-  webkit_glue::PlatformFileInfoToWebFileInfo(file_info, &web_file_info);
-  callbacks->didReadMetadata(web_file_info);
-}
-
-void CreateSnapshotFileCallbackAdapter(
-    WebKit::WebFileSystemCallbacks* callbacks,
-    const base::PlatformFileInfo& file_info,
-    const base::FilePath& platform_path) {
-  WebFileInfo web_file_info;
-  webkit_glue::PlatformFileInfoToWebFileInfo(file_info, &web_file_info);
-  web_file_info.platformPath = platform_path.AsUTF16Unsafe();
-  callbacks->didCreateSnapshotFile(web_file_info);
-}
-
-void ReadDirectoryCallbackAdapater(
-    WebKit::WebFileSystemCallbacks* callbacks,
-    const std::vector<fileapi::DirectoryEntry>& entries,
-    bool has_more) {
-  WebVector<WebFileSystemEntry> file_system_entries(entries.size());
-  for (size_t i = 0; i < entries.size(); i++) {
-    file_system_entries[i].name =
-        base::FilePath(entries[i].name).AsUTF16Unsafe();
-    file_system_entries[i].isDirectory = entries[i].is_directory;
-  }
-  callbacks->didReadDirectory(file_system_entries, has_more);
-}
-
 void OpenFileSystemCallbackAdapter(
     WebKit::WebFileSystemCallbacks* callbacks,
     const std::string& name, const GURL& root) {