[Pepper] Handle plugin crash on QuotaReservation

content/browser/renderer_host/pepper/quota_reservation.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 "content/browser/renderer_host/pepper/quota_reservation.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/browser/fileapi/quota/open_file_handle.h"
@@ skipping 75 matching lines @@
       NOTREACHED();
   }
 
   quota_reservation_->RefreshReservation(
       amount,
       base::Bind(&QuotaReservation::GotReservedQuota,
                  this,
                  callback));
 }
 
+void QuotaReservation::OnClientCrash() {
+  quota_reservation_->OnClientCrash();
+}
+
 void QuotaReservation::GotReservedQuota(
     const ReserveQuotaCallback& callback,
     base::PlatformFileError error) {
   OffsetMap max_written_offsets;
   for (FileMap::iterator it = files_.begin(); it != files_.end(); ++ it) {
     max_written_offsets.insert(
         std::make_pair(it->first, it->second->base_file_size()));
   }
 
   if (file_system_context_) {
@@ skipping 16 matching lines @@
     file_system_context_->default_file_task_runner()->DeleteSoon(
         FROM_HERE,
         this);
   } else {
     // We're on the right thread to delete, or unit test.
     delete this;
   }
 }
 
 }  // namespace content