Convert SetIsIncognitoProcess to use mojo.

content/renderer/render_thread_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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 1162 matching lines @@
 void RenderThreadImpl::AddFilter(IPC::MessageFilter* filter) {
   channel()->AddFilter(filter);
 }
 
 void RenderThreadImpl::RemoveFilter(IPC::MessageFilter* filter) {
   channel()->RemoveFilter(filter);
 }
 
 void RenderThreadImpl::AddObserver(RenderThreadObserver* observer) {
   observers_.AddObserver(observer);
+  observer->RegisterMojoInterfaces(&associated_interfaces_);
 }
 
 void RenderThreadImpl::RemoveObserver(RenderThreadObserver* observer) {
+  observer->UnregisterMojoInterfaces(&associated_interfaces_);
   observers_.RemoveObserver(observer);
 }
 
 void RenderThreadImpl::SetResourceDispatcherDelegate(
     ResourceDispatcherDelegate* delegate) {
   resource_dispatcher()->set_delegate(delegate);
 }
 
 void RenderThreadImpl::InitializeCompositorThread() {
   base::Thread::Options options;
@@ skipping 1309 matching lines @@
   }
 }
 
 void RenderThreadImpl::OnRendererInterfaceRequest(
     mojom::RendererAssociatedRequest request) {
   DCHECK(!renderer_binding_.is_bound());
   renderer_binding_.Bind(std::move(request));
 }
 
 }  // namespace content