[fsp] Add support for aborting running operations.

chrome/browser/chromeos/file_system_provider/request_manager.h

Index: chrome/browser/chromeos/file_system_provider/request_manager.h
diff --git a/chrome/browser/chromeos/file_system_provider/request_manager.h b/chrome/browser/chromeos/file_system_provider/request_manager.h
index 925b9b57cbde93b2149460a313753aeaee9f8902..43ce736774cf17a02e8f4cc2ed858d2e53752087 100644
--- a/chrome/browser/chromeos/file_system_provider/request_manager.h
+++ b/chrome/browser/chromeos/file_system_provider/request_manager.h
@@ -7,6 +7,7 @@
 
 #include <map>
 #include <string>
+#include <vector>
 
 #include "base/callback.h"
 #include "base/files/file.h"
@@ -37,6 +38,7 @@ enum RequestType {
   MOVE_ENTRY,
   TRUNCATE,
   WRITE_FILE,
+  ABORT,
   TESTING
 };
 
@@ -125,9 +127,8 @@ class RequestManager {
   // new requests
   void SetTimeoutForTesting(const base::TimeDelta& timeout);
 
-  // Gets number of active requests for logging purposes.
-  // TODO(mtomasz): Introduce a logger class to gather more information
-  size_t GetActiveRequestsForLogging() const;
+  // Gets list of active request ids.
+  std::vector<int> GetActiveRequestIds() const;
 
   // Adds and removes observers.
   void AddObserver(Observer* observer);