Disk cache: Add a method to cancel pending sparse operations....

net/disk_cache/mem_entry_impl.cc

 // Copyright (c) 2006-2009 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 "net/disk_cache/mem_entry_impl.h"
 
 #include "base/logging.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/disk_cache/mem_backend_impl.h"
@@ skipping 301 matching lines @@
       // If the next child is discontinuous, break the loop.
       if (FindNextChild(*start + continuous, len, &current_child))
         break;
     }
     return continuous;
   }
   *start = offset;
   return 0;
 }
 
+int MemEntryImpl::ReadyForSparseIO(
+    net::CompletionCallback* completion_callback) {
+  return net::OK;
+}
+
 // ------------------------------------------------------------------------
 
 bool MemEntryImpl::CreateEntry(const std::string& key) {
   key_ = key;
   last_modified_ = Time::Now();
   last_used_ = Time::Now();
   Open();
   backend_->ModifyStorageSize(0, static_cast<int32>(key.size()));
   return true;
 }
@@ skipping 148 matching lines @@
     scanned_len += kMaxSparseEntrySize - current_child_offset;
   }
   return scanned_len;
 }
 
 void MemEntryImpl::DetachChild(int child_id) {
   children_->erase(child_id);
 }
 
 }  // namespace disk_cache