google_apis: Increase the default history size of EventLogger

chrome/browser/google_apis/event_logger.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_GOOGLE_APIS_EVENT_LOGGER_H_
 #define CHROME_BROWSER_GOOGLE_APIS_EVENT_LOGGER_H_
 
 #include <stdarg.h>   // va_list
 #include <deque>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/synchronization/lock.h"
 #include "base/time.h"
 
 namespace google_apis {
 
 // The default history size used by EventLogger.
-const int kDefaultHistorySize = 100;
+const int kDefaultHistorySize = 1000;
 
 // EventLogger is used to collect and expose text messages for diagnosing
 // behaviors of Google APIs stuff. For instance, the collected messages are
 // exposed to chrome:drive-internals.
 class EventLogger {
  public:
   // Represents a single event log.
   struct Event {
     Event(int id, const std::string& what);
     int id;  // Monotonically increasing ID starting from 0.
@@ skipping 24 matching lines @@
   size_t history_size_;  // guarded by lock_.
   int next_event_id_;  // guarded by lock_.
   base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(EventLogger);
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_EVENT_LOGGER_H_