Disk cache: Make sure that entry_ and node_ are not saved after doom.

BUG=231725
TEST=none

Review URL: https://codereview.chromium.org/14063011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@194633 0039d316-1c4b-4281-b951-d872f2087c98

net/disk_cache/entry_impl.cc

@@ -502,9 +502,12 @@ void EntryImpl::DeleteEntryData(bool everything) {
   backend_->ModifyStorageSize(entry_.Data()->key_len, 0);
 
   backend_->DeleteBlock(entry_.address(), true);
+  entry_.Discard();
 
-  if (!LeaveRankingsBehind())
+  if (!LeaveRankingsBehind()) {
     backend_->DeleteBlock(node_.address(), true);
+    node_.Discard();
+  }
 }
 
 CacheAddr EntryImpl::GetNextAddress() {