Centralize ScreenOrientationProvider logic, add platform delegates

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 30 matching lines @@
 class BrowserOnlineStateObserver;
 class BrowserShutdownImpl;
 class BrowserThreadImpl;
 class MediaStreamManager;
 class ResourceDispatcherHostImpl;
 class SpeechRecognitionManagerImpl;
 class StartupTaskRunner;
 class TimeZoneMonitor;
 struct MainFunctionParams;
 
-#if defined(OS_LINUX)
+#if defined(OS_ANDROID)
+class ScreenOrientationDelegate;
+#elif defined(OS_LINUX)
 class DeviceMonitorLinux;
 #elif defined(OS_MACOSX)
 class DeviceMonitorMac;
 #elif defined(OS_WIN)
 class SystemMessageWindowWin;
 #endif
 
 // Implements the main browser loop stages called from BrowserMainRunner.
 // See comments in browser_main_parts.h for additional info.
 class CONTENT_EXPORT BrowserMainLoop {
@@ skipping 97 matching lines @@
   scoped_ptr<MediaStreamManager> media_stream_manager_;
   // Per-process listener for online state changes.
   scoped_ptr<BrowserOnlineStateObserver> online_state_observer_;
 #if defined(OS_WIN)
   scoped_ptr<SystemMessageWindowWin> system_message_window_;
 #elif defined(USE_UDEV)
   scoped_ptr<DeviceMonitorLinux> device_monitor_linux_;
 #elif defined(OS_MACOSX) && !defined(OS_IOS)
   scoped_ptr<DeviceMonitorMac> device_monitor_mac_;
 #endif
+#if defined(OS_ANDROID)
+  // Android implementation of ScreenOrientationDelegate
+  scoped_ptr<ScreenOrientationDelegate> screen_orientation_delegate_;
+#endif
   // The startup task runner is created by CreateStartupTasks()
   scoped_ptr<StartupTaskRunner> startup_task_runner_;
 
   // Destroy parts_ before main_message_loop_ (required) and before other
   // classes constructed in content (but after main_thread_).
   scoped_ptr<BrowserMainParts> parts_;
 
   // Members initialized in |InitializeMainThread()| ---------------------------
   // This must get destroyed before other threads that are created in parts_.
   scoped_ptr<BrowserThreadImpl> main_thread_;
@@ skipping 20 matching lines @@
 
   // This timer initiates trace file saving.
   base::OneShotTimer<BrowserMainLoop> startup_trace_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainLoop);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_