Support cancellation of non-yet-running jobs in drive::JobScheduler.

chrome/browser/chromeos/drive/job_queue.cc

 // Copyright 2013 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/drive/job_queue.h"
 
+#include <algorithm>
+
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 
 namespace drive {
 
 JobQueue::JobQueue(size_t num_max_concurrent_jobs,
                    size_t num_priority_levels)
     : num_max_concurrent_jobs_(num_max_concurrent_jobs),
       queue_(num_priority_levels) {
 }
@@ skipping 40 matching lines @@
                             static_cast<int>(running_.size()));
 }
 
 size_t JobQueue::GetNumberOfJobs() const {
   size_t count = running_.size();
   for (size_t i = 0; i < queue_.size(); ++i)
     count += queue_[i].size();
   return count;
 }
 
+void JobQueue::Remove(JobID id) {
+  for (size_t i = 0; i < queue_.size(); ++i) {
+    std::deque<JobID>::iterator iter =
+        std::find(queue_[i].begin(), queue_[i].end(), id);
+    if (iter != queue_[i].end()) {
+      queue_[i].erase(iter);
+      break;
+    }
+  }
+}
+
 }  // namespace drive