Native memory histograms for the browser.

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/memory/scoped_ptr.h"
 #include "content/browser/browser_process_sub_thread.h"
@@ skipping 31 matching lines @@
 class DeviceMonitorLinux;
 #elif defined(OS_MACOSX)
 class DeviceMonitorMac;
 #endif
 
 // Implements the main browser loop stages called from BrowserMainRunner.
 // See comments in browser_main_parts.h for additional info.
 // All functions are to be called only on the UI thread unless otherwise noted.
 class BrowserMainLoop {
  public:
+  class MemoryObserver;
   explicit BrowserMainLoop(const MainFunctionParams& parameters);
   virtual ~BrowserMainLoop();
 
   void Init();
 
   void EarlyInitialization();
   void InitializeToolkit();
   void MainMessageLoopStart();
 
   // Create all secondary threads.
@@ skipping 62 matching lines @@
   // Members initialized in |RunMainMessageLoopParts()| ------------------------
   scoped_ptr<BrowserProcessSubThread> db_thread_;
 #if !defined(OS_IOS)
   scoped_ptr<WebKitThread> webkit_thread_;
 #endif
   scoped_ptr<BrowserProcessSubThread> file_user_blocking_thread_;
   scoped_ptr<BrowserProcessSubThread> file_thread_;
   scoped_ptr<BrowserProcessSubThread> process_launcher_thread_;
   scoped_ptr<BrowserProcessSubThread> cache_thread_;
   scoped_ptr<BrowserProcessSubThread> io_thread_;
+  scoped_ptr<MemoryObserver> memory_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainLoop);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_