Revert "Move the NPAPI files from webkit/glue/plugins to webkit/plugins/npapi"

webkit/glue/plugins/webplugin_delegate.cc

 // Copyright (c) 2010 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 "webkit/plugins/npapi/webplugin_delegate.h"
+#include "webkit/glue/plugins/webplugin_delegate.h"
 
-namespace webkit {
-namespace npapi {
+namespace webkit_glue {
 
 bool WebPluginDelegate::StartFind(const string16& search_text,
                                   bool case_sensitive,
                                   int identifier) {
   return false;
 }
 
 NPWidgetExtensions* WebPluginDelegate::GetWidgetExtensions() {
   return NULL;
 }
@@ skipping 11 matching lines @@
 }
 
 string16 WebPluginDelegate::GetSelectionAsText() const {
   return string16();
 }
 
 string16 WebPluginDelegate::GetSelectionAsMarkup() const {
   return string16();
 }
 
-}  // namespace npapi
-}  // namespace webkit
+
+}  // namespace webkit_glue