Reland [Startup Tracing] Add --trace-config-file flag

content/browser/browser_main_loop.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 CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_
 #define CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
@@ skipping 98 matching lines @@
   media::AudioManager* audio_manager() const { return audio_manager_.get(); }
   MediaStreamManager* media_stream_manager() const {
     return media_stream_manager_.get();
   }
   media::UserInputMonitor* user_input_monitor() const {
     return user_input_monitor_.get();
   }
   media::midi::MidiManager* midi_manager() const { return midi_manager_.get(); }
   base::Thread* indexed_db_thread() const { return indexed_db_thread_.get(); }
 
-  bool is_tracing_startup() const { return is_tracing_startup_; }
+  bool is_tracing_startup_for_duration() const {
+    return is_tracing_startup_for_duration_;
+  }
 
   const base::FilePath& startup_trace_file() const {
     return startup_trace_file_;
   }
 
   void StopStartupTracingTimer();
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
   DeviceMonitorMac* device_monitor_mac() const {
     return device_monitor_mac_.get();
@@ skipping 15 matching lines @@
 
   // Called right after the browser threads have been started.
   int BrowserThreadsStarted();
 
   int PreMainMessageLoopRun();
 
   void MainMessageLoopRun();
 
   base::FilePath GetStartupTraceFileName(
       const base::CommandLine& command_line) const;
-  void InitStartupTracing(const base::CommandLine& command_line);
+  void InitStartupTracingForDuration(const base::CommandLine& command_line);
   void EndStartupTracing();
 
   bool UsingInProcessGpu() const;
 
   // Quick reference for initialization order:
   // Constructor
   // Init()
   // EarlyInitialization()
   // InitializeToolkit()
   // PreMainMessageLoopStart()
   // MainMessageLoopStart()
   //   InitializeMainThread()
   // PostMainMessageLoopStart()
-  //   InitStartupTracing()
+  //   InitStartupTracingForDuration()
   // CreateStartupTasks()
   //   PreCreateThreads()
   //   CreateThreads()
   //   BrowserThreadsStarted()
 
   // Members initialized on construction ---------------------------------------
   const MainFunctionParams& parameters_;
   const base::CommandLine& parsed_command_line_;
   int result_code_;
   bool created_threads_;  // True if the non-UI threads were created.
-  bool is_tracing_startup_;
+  bool is_tracing_startup_for_duration_;
 
   // Members initialized in |MainMessageLoopStart()| ---------------------------
   scoped_ptr<base::MessageLoop> main_message_loop_;
 
   // Members initialized in |PostMainMessageLoopStart()| -----------------------
   scoped_ptr<base::SystemMonitor> system_monitor_;
   scoped_ptr<base::PowerMonitor> power_monitor_;
   scoped_ptr<base::HighResolutionTimerManager> hi_res_timer_manager_;
   scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
 
   // Per-process listener for online state changes.
   scoped_ptr<BrowserOnlineStateObserver> online_state_observer_;
 
   scoped_ptr<base::trace_event::TraceEventSystemStatsMonitor>
       system_stats_monitor_;
 
 #if defined(OS_WIN)
   scoped_ptr<SystemMessageWindowWin> system_message_window_;
 #endif
 
 #if defined(OS_ANDROID)
   // Android implementation of ScreenOrientationDelegate
   scoped_ptr<ScreenOrientationDelegate> screen_orientation_delegate_;
 #endif
 
   scoped_ptr<MemoryObserver> memory_observer_;
   scoped_ptr<base::trace_event::TraceMemoryController> trace_memory_controller_;
 
-  // Members initialized in |InitStartupTracing()| -----------------------------
+  // Members initialized in |InitStartupTracingForDuration()| ------------------
   base::FilePath startup_trace_file_;
 
   // This timer initiates trace file saving.
   base::OneShotTimer<BrowserMainLoop> startup_trace_timer_;
 
   // Members initialized in |Init()| -------------------------------------------
   // Destroy |parts_| before |main_message_loop_| (required) and before other
   // classes constructed in content (but after |main_thread_|).
   scoped_ptr<BrowserMainParts> parts_;
 
@@ skipping 41 matching lines @@
   scoped_ptr<TimeZoneMonitor> time_zone_monitor_;
 
   // DO NOT add members here. Add them to the right categories above.
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainLoop);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_