Add PluginServiceStub for builds with enable_plugins==0

content/browser/renderer_host/render_process_host_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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 473 matching lines @@
   // Add BrowserPluginMessageFilter to ensure it gets the first stab at messages
   // from guests.
   if (IsGuest()) {
     scoped_refptr<BrowserPluginMessageFilter> bp_message_filter(
         new BrowserPluginMessageFilter(
             GetID(),
             GetBrowserContext()));
     channel_->AddFilter(bp_message_filter);
   }
 
+  PluginServiceImpl* plugin_service = NULL;
+#if defined(ENABLE_PLUGINS)
+  plugin_service = PluginServiceImpl::GetInstance();
+#endif
+
   scoped_refptr<RenderMessageFilter> render_message_filter(
       new RenderMessageFilter(
           GetID(),
-          PluginServiceImpl::GetInstance(),
+          plugin_service,
           GetBrowserContext(),
           GetBrowserContext()->GetRequestContextForRenderProcess(GetID()),
           widget_helper_,
           media_observer,
           storage_partition_impl_->GetDOMStorageContext()));
   channel_->AddFilter(render_message_filter);
   BrowserContext* browser_context = GetBrowserContext();
   ResourceContext* resource_context = browser_context->GetResourceContext();
 
   ResourceMessageFilter* resource_message_filter = new ResourceMessageFilter(
@@ skipping 1080 matching lines @@
       int32 gpu_process_host_id) {
   TRACE_EVENT0("renderer_host",
                "RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwappedNoHost");
   RenderWidgetHostImpl::AcknowledgeBufferPresent(route_id,
                                                  gpu_process_host_id,
                                                  surface_handle,
                                                  0);
 }
 
 }  // namespace content