IndexedDB: Enable leveldb log reuse on Chrome OS.

third_party/leveldatabase/env_chromium.cc

Index: third_party/leveldatabase/env_chromium.cc
diff --git a/third_party/leveldatabase/env_chromium.cc b/third_party/leveldatabase/env_chromium.cc
index 42bdb42269373db25644e415dc94d8b5e907741b..65d179ac498d2d7ee668af595f1cb8bf16d5824b 100644
--- a/third_party/leveldatabase/env_chromium.cc
+++ b/third_party/leveldatabase/env_chromium.cc
@@ -896,14 +896,6 @@ Status ChromiumEnv::NewWritableFile(const std::string& fname,
 
 Status ChromiumEnv::NewAppendableFile(const std::string& fname,
                                       leveldb::WritableFile** result) {
-#if defined(OS_CHROMEOS)
-  // Disabled until crbug.com/460568 is fixed. Technically this method shouldn't
-  // be called if reuse_logs is false, but a leveldb bug (fixed, but not yet in
-  // Chrome) still calls this function. Using default leveldb Env implementation
-  // to workaround this bug.
-  return Env::NewAppendableFile(fname, result);
-#endif
-
   *result = NULL;
   FilePath path = FilePath::FromUTF8Unsafe(fname);
   scoped_ptr<base::File> f(new base::File(