Update //base to chromium 9659b08ea5a34f889dc4166217f438095ddc10d2

base/threading/simple_thread.h

Index: base/threading/simple_thread.h
diff --git a/base/threading/simple_thread.h b/base/threading/simple_thread.h
index 36548d36fd5af04711218f85eda7240b47f3f1d4..2f0eb4d778faaa825727bdecdd49ce21be6f99ce 100644
--- a/base/threading/simple_thread.h
+++ b/base/threading/simple_thread.h
@@ -59,8 +59,10 @@ class BASE_EXPORT SimpleThread : public PlatformThread::Delegate {
  public:
   class BASE_EXPORT Options {
    public:
-    Options() : stack_size_(0), priority_(ThreadPriority::NORMAL) { }
-    ~Options() { }
+    Options() : stack_size_(0), priority_(ThreadPriority::NORMAL) {}
+    explicit Options(ThreadPriority priority)
+        : stack_size_(0), priority_(priority) {}
+    ~Options() {}
 
     // We use the standard compiler-supplied copy constructor.
 
@@ -109,12 +111,6 @@ class BASE_EXPORT SimpleThread : public PlatformThread::Delegate {
   // Overridden from PlatformThread::Delegate:
   void ThreadMain() override;
 
-  // Only set priorities with a careful understanding of the consequences.
-  // This is meant for very limited use cases.
-  void SetThreadPriority(ThreadPriority priority) {
-    PlatformThread::SetThreadPriority(thread_, priority);
-  }
-
  private:
   const std::string name_prefix_;
   std::string name_;