[fsp] Add support for aborting running operations.

chrome/browser/chromeos/file_system_provider/request_manager.cc

 // Copyright 2014 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 "chrome/browser/chromeos/file_system_provider/request_manager.h"
 
 #include "base/debug/trace_event.h"
 #include "base/files/file.h"
 #include "base/stl_util.h"
 
@@ skipping 28 matching lines @@
     case CREATE_FILE:
       return "CREATE_FILE";
     case COPY_ENTRY:
       return "COPY_ENTRY";
     case MOVE_ENTRY:
       return "MOVE_ENTRY";
     case TRUNCATE:
       return "TRUNCATE";
     case WRITE_FILE:
       return "WRITE_FILE";
+    case ABORT:
+      return "ABORT";
     case TESTING:
       return "TESTING";
   }
   NOTREACHED();
   return "";
 }
 
 RequestManager::RequestManager(
     NotificationManagerInterface* notification_manager)
     : notification_manager_(notification_manager),
@@ skipping 93 matching lines @@
   request_it->second->handler->OnError(request_id, response.Pass(), error);
   DestroyRequest(request_id);
 
   return true;
 }
 
 void RequestManager::SetTimeoutForTesting(const base::TimeDelta& timeout) {
   timeout_ = timeout;
 }
 
-size_t RequestManager::GetActiveRequestsForLogging() const {
-  return requests_.size();
+std::vector<int> RequestManager::GetActiveRequestIds() const {
+  std::vector<int> result;
+
+  for (RequestMap::const_iterator request_it = requests_.begin();
+       request_it != requests_.end();
+       ++request_it) {
+    result.push_back(request_it->first);
+  }
+
+  return result;
 }
 
 void RequestManager::AddObserver(Observer* observer) {
   DCHECK(observer);
   observers_.AddObserver(observer);
 }
 
 void RequestManager::RemoveObserver(Observer* observer) {
   DCHECK(observer);
   observers_.RemoveObserver(observer);
@@ skipping 62 matching lines @@
     notification_manager_->HideUnresponsiveNotification(request_id);
 
   FOR_EACH_OBSERVER(Observer, observers_, OnRequestDestroyed(request_id));
 
   TRACE_EVENT_ASYNC_END0(
       "file_system_provider", "RequestManager::Request", request_id);
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos