content/child: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

This patch was mostly autogenerated with
https://codereview.chromium.org/1010073002/.

BUG=465354
TBR=jochen@chromium.org,raymes@chromium.org

Review URL: https://codereview.chromium.org/1142063003

Cr-Commit-Position: refs/heads/master@{#330939}

2 files changed, 11 insertions, 13 deletions

diff --git a/content/renderer/devtools/devtools_agent_filter.cc b/content/renderer/devtools/devtools_agent_filter.cc
index f070c1f..127abb0 100644
--- a/content/renderer/devtools/devtools_agent_filter.cc
+++ b/content/renderer/devtools/devtools_agent_filter.cc
@@ -42,8 +42,9 @@ class MessageImpl : public WebDevToolsAgent::MessageDescriptor {
 
 DevToolsAgentFilter::DevToolsAgentFilter()
     : render_thread_loop_(base::MessageLoop::current()),
-      io_message_loop_proxy_(ChildProcess::current()->io_message_loop_proxy()),
-      current_routing_id_(0) {}
+      io_task_runner_(ChildProcess::current()->io_task_runner()),
+      current_routing_id_(0) {
+}
 
 bool DevToolsAgentFilter::OnMessageReceived(const IPC::Message& message) {
   // Dispatch debugger commands directly from IO.
@@ -73,18 +74,16 @@ void DevToolsAgentFilter::OnDispatchOnInspectorBackend(
 }
 
 void DevToolsAgentFilter::AddEmbeddedWorkerRouteOnMainThread(int32 routing_id) {
-  io_message_loop_proxy_->PostTask(
-      FROM_HERE,
-      base::Bind(
-          &DevToolsAgentFilter::AddEmbeddedWorkerRoute, this, routing_id));
+  io_task_runner_->PostTask(
+      FROM_HERE, base::Bind(&DevToolsAgentFilter::AddEmbeddedWorkerRoute, this,
+                            routing_id));
 }
 
 void DevToolsAgentFilter::RemoveEmbeddedWorkerRouteOnMainThread(
     int32 routing_id) {
-  io_message_loop_proxy_->PostTask(
-      FROM_HERE,
-      base::Bind(
-          &DevToolsAgentFilter::RemoveEmbeddedWorkerRoute, this, routing_id));
+  io_task_runner_->PostTask(
+      FROM_HERE, base::Bind(&DevToolsAgentFilter::RemoveEmbeddedWorkerRoute,
+                            this, routing_id));
 }
 
 void DevToolsAgentFilter::AddEmbeddedWorkerRoute(int32 routing_id) {
diff --git a/content/renderer/devtools/devtools_agent_filter.h b/content/renderer/devtools/devtools_agent_filter.h
index 5f2ce64..c8ba687 100644
--- a/content/renderer/devtools/devtools_agent_filter.h
+++ b/content/renderer/devtools/devtools_agent_filter.h
@@ -14,7 +14,7 @@ struct DevToolsMessageData;
 
 namespace base {
 class MessageLoop;
-class MessageLoopProxy;
+class SingleThreadTaskRunner;
 }
 
 namespace content {
@@ -50,8 +50,7 @@ class DevToolsAgentFilter : public IPC::MessageFilter {
   void RemoveEmbeddedWorkerRoute(int32 routing_id);
 
   base::MessageLoop* render_thread_loop_;
-  // Proxy to the IO message loop.
-  scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy_;
+  scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
   int current_routing_id_;
 
   std::set<int32> embedded_worker_routes_;