Remove calls to MessageLoop::current() in content.

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 304c589e7c69caf194802ab4eaaeb0913aafa6e7..edb9b755c314247972190edb7c32d0fe73e7f348 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -2057,7 +2057,7 @@ void RenderThreadImpl::OnMemoryPressure(
 
 scoped_refptr<base::SingleThreadTaskRunner>
 RenderThreadImpl::GetFileThreadMessageLoopProxy() {
-  DCHECK(message_loop() == base::MessageLoop::current());
+  DCHECK(message_loop()->task_runner()->BelongsToCurrentThread());
   if (!file_thread_) {
     file_thread_.reset(new base::Thread("Renderer::FILE"));
     file_thread_->Start();
@@ -2067,7 +2067,7 @@ RenderThreadImpl::GetFileThreadMessageLoopProxy() {
 
 scoped_refptr<base::SingleThreadTaskRunner>
 RenderThreadImpl::GetMediaThreadTaskRunner() {
-  DCHECK(message_loop() == base::MessageLoop::current());
+  DCHECK(message_loop()->task_runner()->BelongsToCurrentThread());
   if (!media_thread_) {
     media_thread_.reset(new base::Thread("Media"));
     media_thread_->Start();