Relanding this as the previous attempt failed due to build errors.

webkit/plugins/npapi/webplugin_delegate_impl.cc

 // Copyright (c) 2012 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_impl.h"
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "webkit/glue/webkit_glue.h"
 #include "webkit/plugins/npapi/plugin_instance.h"
 #include "webkit/plugins/npapi/plugin_lib.h"
 #include "webkit/plugins/npapi/plugin_stream_url.h"
+#include "webkit/plugins/npapi/plugin_utils.h"
 
 using WebKit::WebCursorInfo;
 using WebKit::WebInputEvent;
 
 namespace webkit {
 namespace npapi {
 
 WebPluginDelegateImpl* WebPluginDelegateImpl::Create(
     const base::FilePath& filename,
     const std::string& mime_type) {
@@ skipping 27 matching lines @@
 
   instance_->set_web_plugin(plugin_);
   if (quirks_ & PLUGIN_QUIRK_DONT_ALLOW_MULTIPLE_INSTANCES) {
     PluginLib* plugin_lib = instance()->plugin_lib();
     if (plugin_lib->instance_count() > 1) {
       return false;
     }
   }
 
   if (quirks_ & PLUGIN_QUIRK_DIE_AFTER_UNLOAD)
-    webkit_glue::SetForcefullyTerminatePluginProcess(true);
+    webkit::npapi::SetForcefullyTerminatePluginProcess(true);
 
   int argc = 0;
   scoped_ptr<char*[]> argn(new char*[arg_names.size()]);
   scoped_ptr<char*[]> argv(new char*[arg_names.size()]);
   for (size_t i = 0; i < arg_names.size(); ++i) {
     if (quirks_ & PLUGIN_QUIRK_NO_WINDOWLESS &&
         LowerCaseEqualsASCII(arg_names[i], "windowlessvideo")) {
       continue;
     }
     argn[argc] = const_cast<char*>(arg_names[i].c_str());
@@ skipping 214 matching lines @@
       resource_id, url, std::string(), notify_id);
 }
 
 WebPluginResourceClient* WebPluginDelegateImpl::CreateSeekableResourceClient(
     unsigned long resource_id, int range_request_id) {
   return instance()->GetRangeRequest(range_request_id);
 }
 
 }  // namespace npapi
 }  // namespace webkit