Resume a backgrounded renderer that was purged and suspended

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 1395 matching lines @@
 
 bool RenderProcessHostImpl::IsWorkerRefCountDisabled() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   return is_worker_ref_count_disabled_;
 }
 
 void RenderProcessHostImpl::PurgeAndSuspend() {
   Send(new ChildProcessMsg_PurgeAndSuspend());
 }
 
+void RenderProcessHostImpl::Resume() {
+  Send(new ChildProcessMsg_Resume());
+}
+
 mojom::Renderer* RenderProcessHostImpl::GetRendererInterface() {
   return renderer_interface_.get();
 }
 
 mojom::RouteProvider* RenderProcessHostImpl::GetRemoteRouteProvider() {
   return remote_route_provider_.get();
 }
 
 void RenderProcessHostImpl::AddRoute(int32_t routing_id,
                                      IPC::Listener* listener) {
@@ skipping 1568 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing. Alias
   // enough information here so that we can determine what the bad message was.
   base::debug::Alias(&error);
   bad_message::ReceivedBadMessage(render_process_id,
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content