gdata: Move GDataWapiFeedLoader to a set of new files

chrome/browser/chromeos/gdata/gdata_util.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_UTIL_H_
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/platform_file.h"
 #include "base/time.h"
 #include "chrome/browser/chromeos/gdata/gdata_errorcode.h"
 #include "googleurl/src/gurl.h"
 
 class FilePath;
 class Profile;
 
+namespace base {
+class SequencedTaskRunner;
+}  // namespace base
+
+namespace tracked_objects {
+class Location;
+}  // tracked_objects
+
 namespace gdata {
 namespace util {
 
 // Path constants.
 
 // The extension for dirty files. The file names look like
 // "<resource-id>.local".
 const char kLocallyModifiedFileExtension[] = "local";
 // The extension for mounted files. The file names look like
 // "<resource-id>.<md5>.mounted".
@@ skipping 74 matching lines @@
 // Parses an RFC 3339 date/time into a base::Time, returning true on success.
 // The time string must be in the format "yyyy-mm-ddThh:mm:ss.dddTZ" (TZ is
 // either '+hh:mm', '-hh:mm', 'Z' (representing UTC), or an empty string).
 bool GetTimeFromString(const base::StringPiece& raw_value, base::Time* time);
 
 // Formats a base::Time as an RFC 3339 date/time (in UTC).
 std::string FormatTimeAsString(const base::Time& time);
 
 // Callback type for PrepareWritableFilePathAndRun.
 typedef base::Callback<void (GDataFileError, const FilePath& path)>
-   OpenFileCallback;
+    OpenFileCallback;
 
 // Invokes |callback| on blocking thread pool, after converting virtual |path|
 // string like "/special/drive/foo.txt" to the concrete local cache file path.
 // After |callback| returns, the written content is synchronized to the server.
 //
 // If |path| is not a GData path, it is regarded as a local path and no path
 // conversion takes place.
 //
 // Must be called from UI thread.
 void PrepareWritableFileAndRun(Profile* profile,
                                const FilePath& path,
                                const OpenFileCallback& callback);
 
+// Converts gdata error code into file platform error code.
+GDataFileError GDataToGDataFileError(GDataErrorCode status);
+
+// Wrapper around BrowserThread::PostTask to post a task to the blocking
+// pool with the given sequence token.
+void PostBlockingPoolSequencedTask(
+    const tracked_objects::Location& from_here,
+    base::SequencedTaskRunner* blocking_task_runner,
+    const base::Closure& task);
+
+// Similar to PostBlockingPoolSequencedTask() but this one takes a reply
+// callback that runs on the calling thread.
+void PostBlockingPoolSequencedTaskAndReply(
+    const tracked_objects::Location& from_here,
+    base::SequencedTaskRunner* blocking_task_runner,
+    const base::Closure& request_task,
+    const base::Closure& reply_task);
+
 }  // namespace util
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_UTIL_H_