[DevTools] Make touch emulation work with OOPIF.

content/browser/devtools/render_frame_devtools_agent_host.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/browser/devtools/render_frame_devtools_agent_host.h"
 
 #include <tuple>
 #include <utility>
 
 #include "base/guid.h"
@@ skipping 498 matching lines @@
 }
 
 WebContents* RenderFrameDevToolsAgentHost::GetWebContents() {
   return web_contents();
 }
 
 void RenderFrameDevToolsAgentHost::AttachSession(DevToolsSession* session) {
   session->SetFallThroughForNotFound(true);
   session->SetRenderFrameHost(handlers_frame_host_);
   if (frame_tree_node_ && !frame_tree_node_->parent()) {
-    session->AddHandler(base::WrapUnique(new protocol::EmulationHandler()));
     session->AddHandler(base::WrapUnique(new protocol::PageHandler()));
     session->AddHandler(base::WrapUnique(new protocol::SecurityHandler()));
   }
   session->AddHandler(base::WrapUnique(new protocol::DOMHandler()));
+  session->AddHandler(base::WrapUnique(new protocol::EmulationHandler()));
   session->AddHandler(base::WrapUnique(new protocol::InputHandler()));
   session->AddHandler(base::WrapUnique(new protocol::InspectorHandler()));
   session->AddHandler(base::WrapUnique(new protocol::IOHandler(
       GetIOContext())));
   session->AddHandler(base::WrapUnique(new protocol::NetworkHandler()));
   session->AddHandler(base::WrapUnique(new protocol::SchemaHandler()));
   session->AddHandler(base::WrapUnique(new protocol::ServiceWorkerHandler()));
   session->AddHandler(base::WrapUnique(new protocol::StorageHandler()));
   session->AddHandler(base::WrapUnique(new protocol::TargetHandler()));
   session->AddHandler(base::WrapUnique(new protocol::TracingHandler(
@@ skipping 644 matching lines @@
     RenderFrameHost* host) {
   return (current_ && current_->host() == host) ||
       (pending_ && pending_->host() == host);
 }
 
 bool RenderFrameDevToolsAgentHost::IsChildFrame() {
   return current_ && current_->host()->GetParent();
 }
 
 }  // namespace content