Rename TaskRunner::RunsTasksOnCurrentThread() in //extensions, //headless, //mojo

mojo/edk/system/channel_win.cc

Index: mojo/edk/system/channel_win.cc
diff --git a/mojo/edk/system/channel_win.cc b/mojo/edk/system/channel_win.cc
index c15df16bb1341308c6db89de41ceea9cbb7fa16c..2ca035a2b22bf1af44b9fe1f09950f7dbe0beb5c 100644
--- a/mojo/edk/system/channel_win.cc
+++ b/mojo/edk/system/channel_win.cc
@@ -118,7 +118,7 @@ class ChannelWin : public Channel,
   }
 
   void LeakHandle() override {
-    DCHECK(io_task_runner_->RunsTasksOnCurrentThread());
+    DCHECK(io_task_runner_->RunsTasksInCurrentSequence());
     leak_handle_ = true;
   }
 
@@ -207,7 +207,7 @@ class ChannelWin : public Channel,
 
   // base::MessageLoop::DestructionObserver:
   void WillDestroyCurrentMessageLoop() override {
-    DCHECK(io_task_runner_->RunsTasksOnCurrentThread());
+    DCHECK(io_task_runner_->RunsTasksInCurrentSequence());
     if (self_)
       ShutDownOnIOThread();
   }