Generalize network_event_log -> device_event_log

chrome/browser/chromeos/system_logs/device_event_log_source.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2014 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_FEEDBACK_SYSTEM_LOGS_LOG_SOURCES_MEMORY_DETAILS_LOG_SOURCE_H_
-#define CHROME_BROWSER_FEEDBACK_SYSTEM_LOGS_LOG_SOURCES_MEMORY_DETAILS_LOG_SOURCE_H_
+#ifndef CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_DEVICE_EVENT_LOG_SOURCE_H_
+#define CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_DEVICE_EVENT_LOG_SOURCE_H_
 
 #include "chrome/browser/feedback/system_logs/system_logs_fetcher_base.h"
 
 namespace system_logs {
 
-// Fetches memory usage details.
-class MemoryDetailsLogSource : public SystemLogsSource {
+// Fetches entries for 'network_event_log' and 'device_event_log'.
+class DeviceEventLogSource : public SystemLogsSource {
  public:
-  MemoryDetailsLogSource();
-  ~MemoryDetailsLogSource() override;
+  DeviceEventLogSource();
+  ~DeviceEventLogSource() override;
 
   // SystemLogsSource override.
   void Fetch(const SysLogsSourceCallback& request) override;
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(MemoryDetailsLogSource);
+  DISALLOW_COPY_AND_ASSIGN(DeviceEventLogSource);
 };
 
 }  // namespace system_logs
 
-#endif  // CHROME_BROWSER_FEEDBACK_SYSTEM_LOGS_LOG_SOURCES_MEMORY_DETAILS_LOG_SOURCE_H_
+#endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_DEVICE_EVENT_LOG_SOURCE_H_