Switch DesktopEnvironment to return a DesktopCapturer.

remoting/host/host_extension_session_manager.h

 // 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 REMOTING_HOST_HOST_EXTENSION_SESSION_MANAGER_H_
 #define REMOTING_HOST_HOST_EXTENSION_SESSION_MANAGER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 
 namespace webrtc {
-class ScreenCapturer;
+class DesktopCapturer;
 }
 
 namespace remoting {
 
 class ClientSessionControl;
 class HostExtension;
 class HostExtensionSession;
 class VideoEncoder;
 
 namespace protocol {
 class ClientStub;
 class ExtensionMessage;
 }
 
 // Helper class used to create and manage a set of HostExtensionSession
 // instances depending upon the set of registered HostExtensions, and the
 // set of capabilities negotiated between client and host.
 class HostExtensionSessionManager {
  public:
   // Creates an extension manager for the specified |extensions|.
   HostExtensionSessionManager(const std::vector<HostExtension*>& extensions,
                               ClientSessionControl* client_session_control);
   virtual ~HostExtensionSessionManager();
 
   // Returns the union of all capabilities supported by registered extensions.
   std::string GetCapabilities();
 
   // Calls the corresponding hook functions in each extension in turn, to give
   // them an opportunity to wrap or replace video components.
-  scoped_ptr<webrtc::ScreenCapturer> OnCreateVideoCapturer(
-      scoped_ptr<webrtc::ScreenCapturer> capturer);
+  scoped_ptr<webrtc::DesktopCapturer> OnCreateVideoCapturer(
+      scoped_ptr<webrtc::DesktopCapturer> capturer);
   scoped_ptr<VideoEncoder> OnCreateVideoEncoder(
       scoped_ptr<VideoEncoder> encoder);
 
   // Handles completion of authentication and capabilities negotiation, creating
   // the set of |HostExtensionSession| to match the client's capabilities.
   void OnNegotiatedCapabilities(protocol::ClientStub* client_stub,
                                 const std::string& capabilities);
 
   // Passes |message| to each |HostExtensionSession| in turn until the message
   // is handled, or none remain. Returns true if the message was handled.
@@ skipping 14 matching lines @@
 
   // List of HostExtensionSessions, used to handle extension messages.
   HostExtensionSessionList extension_sessions_;
 
   DISALLOW_COPY_AND_ASSIGN(HostExtensionSessionManager);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_HOST_EXTENSION_SESSION_MANAGER_H_