Rename TaskRunner::RunsTasksOnCurrentThread() in //base

Renamed TaskRunner::RunsTasksOnCurrentThread() to

TaskRunner: :RunsTasksInCurrentSequence() in //base
Bug: 665062
Change-Id: I185b0b0948b5a821af233f60830d5c89743673f8
Reviewed-on: https://chromium-review.googlesource.com/563225
Commit-Queue: Gabriel Charette <gab@chromium.org>
Reviewed-by: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#489347}

diff --git a/base/single_thread_task_runner.h b/base/single_thread_task_runner.h
index 6e931931..12b0575 100644
--- a/base/single_thread_task_runner.h
+++ b/base/single_thread_task_runner.h

@@ -24,10 +24,8 @@
 //     running other kinds of message loop, e.g. Jingle threads.
 class BASE_EXPORT SingleThreadTaskRunner : public SequencedTaskRunner {
  public:
-  // A more explicit alias to RunsTasksOnCurrentThread().
-  bool BelongsToCurrentThread() const {
-    return RunsTasksOnCurrentThread();
-  }
+  // A more explicit alias to RunsTasksInCurrentSequence().
+  bool BelongsToCurrentThread() const { return RunsTasksInCurrentSequence(); }
 
  protected:
   ~SingleThreadTaskRunner() override {}