Remove all remaining traces of MessageLoopProxy.

chrome/renderer/chrome_mock_render_thread.cc

Index: chrome/renderer/chrome_mock_render_thread.cc
diff --git a/chrome/renderer/chrome_mock_render_thread.cc b/chrome/renderer/chrome_mock_render_thread.cc
index 64d809e76efcc579cceb0b5161b3c58829b8b18e..966191db0b3444d59214cf18ee49cd75b2b0196f 100644
--- a/chrome/renderer/chrome_mock_render_thread.cc
+++ b/chrome/renderer/chrome_mock_render_thread.cc
@@ -18,11 +18,11 @@ ChromeMockRenderThread::~ChromeMockRenderThread() {
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
-ChromeMockRenderThread::GetIOMessageLoopProxy() {
+ChromeMockRenderThread::GetIOTaskRunner() {
   return io_task_runner_;
 }
 
-void ChromeMockRenderThread::set_io_message_loop_proxy(
+void ChromeMockRenderThread::set_io_task_runner(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner) {
   io_task_runner_ = task_runner;
 }