[Chromoting] Refactoring DesktopEnvironment and moving screen/audio recorders to ClientSession.

remoting/host/desktop_environment.h

Index: remoting/host/desktop_environment.h
diff --git a/remoting/host/desktop_environment.h b/remoting/host/desktop_environment.h
index 8b32a89fb58b473073e15916fb56651ba24909a6..a653c78e062c6b0b71a322d97d546ca71a418801 100644
--- a/remoting/host/desktop_environment.h
+++ b/remoting/host/desktop_environment.h
@@ -5,8 +5,6 @@
 #ifndef REMOTING_HOST_DESKTOP_ENVIRONMENT_H_
 #define REMOTING_HOST_DESKTOP_ENVIRONMENT_H_
 
-#include <string>
-
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 
@@ -23,47 +21,28 @@ class ClipboardStub;
 
 class DesktopEnvironment {
  public:
-  // Creates a DesktopEnvironment used in a host plugin.
-  static scoped_ptr<DesktopEnvironment> Create(
-      ChromotingHostContext* context);
-
-  // Creates a DesktopEnvironment used in a service process.
-  static scoped_ptr<DesktopEnvironment> CreateForService(
-      ChromotingHostContext* context);
-
-  static scoped_ptr<DesktopEnvironment> CreateFake(
-      ChromotingHostContext* context,
-      scoped_ptr<VideoFrameCapturer> capturer,
-      scoped_ptr<EventExecutor> event_executor,
-      scoped_ptr<AudioCapturer> audio_capturer);
-
+  DesktopEnvironment(scoped_ptr<AudioCapturer> audio_capturer,
+                     scoped_ptr<EventExecutor> event_executor,
+                     scoped_ptr<VideoFrameCapturer> video_capturer);
   virtual ~DesktopEnvironment();
 
-  VideoFrameCapturer* capturer() const { return capturer_.get(); }
-  EventExecutor* event_executor() const { return event_executor_.get(); }
   AudioCapturer* audio_capturer() const { return audio_capturer_.get(); }
-  void OnSessionStarted(scoped_ptr<protocol::ClipboardStub> client_clipboard);
-  void OnSessionFinished();
-
- private:
-  DesktopEnvironment(ChromotingHostContext* context,
-                     scoped_ptr<VideoFrameCapturer> capturer,
-                     scoped_ptr<EventExecutor> event_executor,
-                     scoped_ptr<AudioCapturer> audio_capturer);
-
-  // Host context used to make sure operations are run on the correct thread.
-  // This is owned by the ChromotingHost.
-  ChromotingHostContext* context_;
+  EventExecutor* event_executor() const { return event_executor_.get(); }
+  VideoFrameCapturer* video_capturer() const { return video_capturer_.get(); }
 
-  // Used to capture video to deliver to clients.
-  scoped_ptr<VideoFrameCapturer> capturer_;
+  virtual void Start(
+      scoped_ptr<protocol::ClipboardStub> client_clipboard);
 
+ private:
   // Used to capture audio to deliver to clients.
   scoped_ptr<AudioCapturer> audio_capturer_;
 
   // Executes input and clipboard events received from the client.
   scoped_ptr<EventExecutor> event_executor_;
 
+  // Used to capture video to deliver to clients.
+  scoped_ptr<VideoFrameCapturer> video_capturer_;
+
   DISALLOW_COPY_AND_ASSIGN(DesktopEnvironment);
 };