Move code that doesn't depend on PPAPI out of remoting/client/plugin

remoting/client/plugin/pepper_mouse_locker.cc

 // 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.
 
 #include "remoting/client/plugin/pepper_mouse_locker.h"
 
 #include "base/logging.h"
-#include "remoting/client/plugin/empty_cursor_filter.h"
+#include "remoting/client/empty_cursor_filter.h"
 #include "remoting/proto/control.pb.h"
 
 namespace remoting {
 
 PepperMouseLocker::PepperMouseLocker(
     pp::Instance* instance,
     const base::Callback<void(bool)>& enable_mouse_deltas,
     protocol::CursorShapeStub* cursor_stub)
     : pp::MouseLock(instance),
       enable_mouse_deltas_(enable_mouse_deltas),
@@ skipping 100 matching lines @@
       // locked events until MouseLockLost() is called back.
       mouse_lock_state_ = MouseLockCancelling;
       break;
 
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace remoting