5 files changed, 25 insertions, 0 deletions
diff --git a/net/disk_cache/backend_impl.cc b/net/disk_cache/backend_impl.cc
index 9ab3271..3b3ca6a 100644
--- a/net/disk_cache/backend_impl.cc
+++ b/net/disk_cache/backend_impl.cc
@@ -494,6 +494,14 @@ bool BackendImpl::DoomEntry(const std::string& key) {
   return true;
 }
 
+int BackendImpl::DoomEntry(const std::string& key,
+                           CompletionCallback* callback) {
+  if (DoomEntry(key))
+    return net::OK;
+
+  return net::ERR_FAILED;
+}
+
 bool BackendImpl::DoomAllEntries() {
   if (!num_refs_) {
     PrepareForRestart();
diff --git a/net/disk_cache/backend_impl.h b/net/disk_cache/backend_impl.h
index b9a288f..6267fac 100644
--- a/net/disk_cache/backend_impl.h
+++ b/net/disk_cache/backend_impl.h
@@ -68,6 +68,7 @@ class BackendImpl : public Backend {
   virtual int CreateEntry(const std::string& key, Entry** entry,
                           CompletionCallback* callback);
   virtual bool DoomEntry(const std::string& key);
+  virtual int DoomEntry(const std::string& key, CompletionCallback* callback);
   virtual bool DoomAllEntries();
   virtual int DoomAllEntries(CompletionCallback* callback);
   virtual bool DoomEntriesBetween(const base::Time initial_time,
diff --git a/net/disk_cache/disk_cache.h b/net/disk_cache/disk_cache.h
index c47bd47..3d2793b 100644
--- a/net/disk_cache/disk_cache.h
+++ b/net/disk_cache/disk_cache.h
@@ -113,8 +113,15 @@ class Backend {
                           CompletionCallback* callback) = 0;
 
   // Marks the entry, specified by the given key, for deletion.
+  // Note: This method is deprecated.
   virtual bool DoomEntry(const std::string& key) = 0;
 
+  // Marks the entry, specified by the given key, for deletion. The return value
+  // is a net error code. If this method returns ERR_IO_PENDING, the |callback|
+  // will be invoked after the entry is doomed.
+  virtual int DoomEntry(const std::string& key,
+                        CompletionCallback* callback) = 0;
+
   // Marks all entries for deletion.
   // Note: This method is deprecated.
   virtual bool DoomAllEntries() = 0;
diff --git a/net/disk_cache/mem_backend_impl.cc b/net/disk_cache/mem_backend_impl.cc
index 0b0d7bd..875efdc 100644
--- a/net/disk_cache/mem_backend_impl.cc
+++ b/net/disk_cache/mem_backend_impl.cc
@@ -144,6 +144,14 @@ bool MemBackendImpl::DoomEntry(const std::string& key) {
   return true;
 }
 
+int MemBackendImpl::DoomEntry(const std::string& key,
+                              CompletionCallback* callback) {
+  if (DoomEntry(key))
+    return net::OK;
+
+  return net::ERR_FAILED;
+}
+
 void MemBackendImpl::InternalDoomEntry(MemEntryImpl* entry) {
   // Only parent entries can be passed into this method.
   DCHECK(entry->type() == MemEntryImpl::kParentEntry);
diff --git a/net/disk_cache/mem_backend_impl.h b/net/disk_cache/mem_backend_impl.h
index 5c9899e..48d196c 100644
--- a/net/disk_cache/mem_backend_impl.h
+++ b/net/disk_cache/mem_backend_impl.h
@@ -35,6 +35,7 @@ class MemBackendImpl : public Backend {
   virtual int CreateEntry(const std::string& key, Entry** entry,
                           CompletionCallback* callback);
   virtual bool DoomEntry(const std::string& key);
+  virtual int DoomEntry(const std::string& key, CompletionCallback* callback);
   virtual bool DoomAllEntries();
   virtual int DoomAllEntries(CompletionCallback* callback);
   virtual bool DoomEntriesBetween(const base::Time initial_time,