Enable content embedder register mojo services with RPH-specific information.

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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 1081 matching lines @@
   mojo_application_host_->service_registry()->AddService(
       base::Bind(&MimeRegistryImpl::Create),
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE));
 
 #if defined(OS_ANDROID)
   ServiceRegistrarAndroid::RegisterProcessHostServices(
       mojo_application_host_->service_registry_android());
 #endif
 
   GetContentClient()->browser()->RegisterRenderProcessMojoServices(
-      mojo_application_host_->service_registry());
+      mojo_application_host_->service_registry(), this);
 }
 
 void RenderProcessHostImpl::CreateStoragePartitionService(
     mojo::InterfaceRequest<mojom::StoragePartitionService> request) {
   // DO NOT REMOVE THIS COMMAND LINE CHECK WITHOUT SECURITY REVIEW!
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kMojoLocalStorage)) {
     storage_partition_impl_->Bind(std::move(request));
   }
 }
@@ skipping 1687 matching lines @@
 
     // Skip widgets in other processes.
     if (rvh->GetProcess()->GetID() != GetID())
       continue;
 
     rvh->OnWebkitPreferencesChanged();
   }
 }
 
 }  // namespace content