[DevTools] Make touch emulation work with OOPIF.

content/browser/devtools/render_frame_devtools_agent_host.cc

Index: content/browser/devtools/render_frame_devtools_agent_host.cc
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.cc b/content/browser/devtools/render_frame_devtools_agent_host.cc
index 478d1f0fb6b08056be7f2beb6cc04e58c718fef4..6ecf9819126045718902f4bdea3a8b918ece6df6 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.cc
+++ b/content/browser/devtools/render_frame_devtools_agent_host.cc
@@ -516,11 +516,11 @@ 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(