Add Cache size to the Simple Index.

net/disk_cache/simple/simple_entry_impl.cc

Index: net/disk_cache/simple/simple_entry_impl.cc
diff --git a/net/disk_cache/simple/simple_entry_impl.cc b/net/disk_cache/simple/simple_entry_impl.cc
index d817cdeda3d22ca3e093e643e9bb0c373a8149c0..409bc5142659b9e19ab1355edb0498f647ad2e80 100644
--- a/net/disk_cache/simple/simple_entry_impl.cc
+++ b/net/disk_cache/simple/simple_entry_impl.cc
@@ -143,7 +143,8 @@ int SimpleEntryImpl::ReadData(int index,
   index_->UseIfExists(key_);
   SynchronousOperationCallback sync_operation_callback =
       base::Bind(&SimpleEntryImpl::EntryOperationComplete,
-                 callback, weak_ptr_factory_.GetWeakPtr(), synchronous_entry_);
+                 index_, callback, weak_ptr_factory_.GetWeakPtr(),
+                 synchronous_entry_);
   WorkerPool::PostTask(FROM_HERE,
                        base::Bind(&SimpleSynchronousEntry::ReadData,
                                   base::Unretained(synchronous_entry_),
@@ -167,7 +168,8 @@ int SimpleEntryImpl::WriteData(int index,
   index_->UseIfExists(key_);
   SynchronousOperationCallback sync_operation_callback =
       base::Bind(&SimpleEntryImpl::EntryOperationComplete,
-                 callback, weak_ptr_factory_.GetWeakPtr(), synchronous_entry_);
+                 index_, callback, weak_ptr_factory_.GetWeakPtr(),
+                 synchronous_entry_);
   WorkerPool::PostTask(FROM_HERE,
                        base::Bind(&SimpleSynchronousEntry::WriteData,
                                   base::Unretained(synchronous_entry_),
@@ -258,10 +260,14 @@ void SimpleEntryImpl::CreationOperationComplete(
 
 // static
 void SimpleEntryImpl::EntryOperationComplete(
+    base::WeakPtr<SimpleIndex> index,
     const CompletionCallback& completion_callback,
     base::WeakPtr<SimpleEntryImpl> entry,
     SimpleSynchronousEntry* sync_entry,
     int result) {
+  if (sync_entry && index)

[gavinp, 2013/04/09 16:42:57]

sync_entry should always be non NULL, I think. So I think that can just be a
DCHECK.

[felipeg, 2013/04/09 16:46:58]

Done.

+    index->UpdateEntrySize(sync_entry->key(), sync_entry->GetFileSize());
+
   if (entry) {
     DCHECK(entry->synchronous_entry_in_use_by_worker_);
     entry->synchronous_entry_in_use_by_worker_ = false;