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

remoting/client/empty_cursor_filter.h

Index: remoting/client/empty_cursor_filter.h
diff --git a/remoting/client/plugin/empty_cursor_filter.h b/remoting/client/empty_cursor_filter.h
similarity index 84%
rename from remoting/client/plugin/empty_cursor_filter.h
rename to remoting/client/empty_cursor_filter.h
index fdd7355c68b2e54e0417a68c2da0acc71b71b0e3..ed14e5cf695f0a0fdedb4861044f4d95e486dc92 100644
--- a/remoting/client/plugin/empty_cursor_filter.h
+++ b/remoting/client/empty_cursor_filter.h
@@ -1,9 +1,9 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2015 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_CLIENT_PLUGIN_EMPTY_CURSOR_FILTER_H_
-#define REMOTING_CLIENT_PLUGIN_EMPTY_CURSOR_FILTER_H_
+#ifndef REMOTING_CLIENT_EMPTY_CURSOR_FILTER_H_
+#define REMOTING_CLIENT_EMPTY_CURSOR_FILTER_H_
 
 #include "remoting/protocol/cursor_shape_stub.h"
 
@@ -40,4 +40,4 @@ class EmptyCursorFilter : public protocol::CursorShapeStub {
 
 }  // namespace remoting
 
-#endif  // REMOTING_CLIENT_PLUGIN_EMPTY_CURSOR_FILTER_H_
+#endif  // REMOTING_CLIENT_EMPTY_CURSOR_FILTER_H_