leveldb: Moved to LevelDBEnv.IOError.BFE histogram entries.

third_party/leveldatabase/env_chromium.h

 // Copyright (c) 2013 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
 
 #ifndef THIRD_PARTY_LEVELDATABASE_ENV_CHROMIUM_H_
 #define THIRD_PARTY_LEVELDATABASE_ENV_CHROMIUM_H_
 
 #include <deque>
 #include <set>
 #include <string>
@@ skipping 41 matching lines @@
 leveldb::Status MakeIOError(leveldb::Slice filename,
                             const std::string& message,
                             MethodID method,
                             base::File::Error error);
 leveldb::Status MakeIOError(leveldb::Slice filename,
                             const std::string& message,
                             MethodID method);
 
 enum ErrorParsingResult {
   METHOD_ONLY,
-  METHOD_AND_PFE,
+  METHOD_AND_BFE,
   NONE,
 };
 
 ErrorParsingResult ParseMethodAndError(const leveldb::Status& status,
                                        MethodID* method,
                                        base::File::Error* error);
 int GetCorruptionCode(const leveldb::Status& status);
 int GetNumCorruptionCodes();
 std::string GetCorruptionMessage(const leveldb::Status& status);
 bool IndicatesDiskFull(const leveldb::Status& status);
@@ skipping 49 matching lines @@
       leveldb::RandomAccessFile** result);
   virtual leveldb::Status NewWritableFile(const std::string& fname,
                                           leveldb::WritableFile** result);
   virtual leveldb::Status NewAppendableFile(const std::string& fname,
                                             leveldb::WritableFile** result);
   virtual leveldb::Status NewLogger(const std::string& fname,
                                     leveldb::Logger** result);
 
  protected:
   std::string name_;
+  std::string uma_ioerror_base_name_;
   bool make_backup_;
 
  private:
   static const char* FileErrorString(base::File::Error error);
 
   virtual void RecordErrorAt(MethodID method) const;
   virtual void RecordOSError(MethodID method,
                              base::File::Error error) const;
   void RecordOpenFilesLimit(const std::string& type);
   base::HistogramBase* GetMaxFDHistogram(const std::string& type) const;
@@ skipping 49 matching lines @@
     void (*function)(void*);
   };
   typedef std::deque<BGItem> BGQueue;
   BGQueue queue_;
   LockTable locks_;
 };
 
 }  // namespace leveldb_env
 
 #endif  // THIRD_PARTY_LEVELDATABASE_ENV_CHROMIUM_H_