IndexedDB: fsync after transactions.

content/browser/indexed_db/leveldb/leveldb_database.cc

Index: content/browser/indexed_db/leveldb/leveldb_database.cc
diff --git a/content/browser/indexed_db/leveldb/leveldb_database.cc b/content/browser/indexed_db/leveldb/leveldb_database.cc
index 7780336f8275fe248eac682bef4de71c264444dc..dad66fe26990e0acaf764e8e2ccb0a79dc2b0e18 100644
--- a/content/browser/indexed_db/leveldb/leveldb_database.cc
+++ b/content/browser/indexed_db/leveldb/leveldb_database.cc
@@ -34,14 +34,16 @@ namespace content {
 // data hit disk, but drastically impacts throughput when the filesystem is
 // busy with background compactions. Not syncing trades off reliability for
 // performance. Note that background compactions which move data from the
-// log to SSTs are still done with reliable writes.
+// log to SSTs are always done with reliable writes.
 //
 // Sync writes are necessary on Windows for quota calculations; POSIX
 // calculates file sizes correctly even when not synced to disk.
 #if defined(OS_WIN)
 static const bool kSyncWrites = true;
 #else
-static const bool kSyncWrites = false;
+// Set _back_ to true in attempt to fix corruption increase on CrOS devices.

[jsbell, 2014/01/27 21:18:22]

Can you make this a TODO to either remove the #if block or reinstate the
difference?

[dgrogan, 2014/01/27 21:22:05]

Done.

+// See http://crbug.com/338385.
+static const bool kSyncWrites = true;
 #endif
 
 static leveldb::Slice MakeSlice(const StringPiece& s) {