Drive: Removes unused cache files after the initial feed fetch.

chrome/browser/chromeos/gdata/gdata_test_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_TEST_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_TEST_UTIL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/gdata/drive_resource_metadata.h"
 #include "chrome/browser/chromeos/gdata/gdata_errorcode.h"
 
 class FilePath;
 
+namespace base {
+class Value;
+}
+
 namespace gdata {
 
 class DriveCacheEntry;
 class DriveEntryProto;
+class DriveFileSystem;
 
 typedef std::vector<DriveEntryProto> DriveEntryProtoVector;
 
 namespace test_util {
 
 // Runs a task posted to the blocking pool, including subquent tasks posted
 // to the UI message loop and the blocking pool.
 //
 // A task is often posted to the blocking pool with PostTaskAndReply(). In
 // that case, a task is posted back to the UI message loop, which can again
@@ skipping 59 matching lines @@
     DriveFileError error,
     const FilePath& drive_file_path,
     scoped_ptr<DriveEntryProto> entry_proto);
 
 // Copies |result| to |out_result|. Used to run asynchronous functions
 // that take GetEntryInfoPairCallback from tests.
 void CopyResultsFromGetEntryInfoPairCallback(
     scoped_ptr<EntryInfoPairResult>* out_result,
     scoped_ptr<EntryInfoPairResult> result);
 
+// Returns the absolute path for a test file stored under
+// chrome/test/data/chromeos/gdata.
+FilePath GetTestFilePath(const FilePath::StringType& base_name);
+
+// Loads a test JSON file as a base::Value.
+base::Value* LoadJSONFile(const std::string& base_name);
+
+// Loads a test json file as root ("/drive") element.
+void LoadChangeFeed(const std::string& filename,
+                    DriveFileSystem* file_system,
+                    int64 start_changestamp,
+                    int64 root_feed_changestamp);
+
 }  // namespace test_util
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_TEST_UTIL_H_