Deletes base::MessageLoop::set_thread_name().

base/message_loop/message_loop.h

Index: base/message_loop/message_loop.h
diff --git a/base/message_loop/message_loop.h b/base/message_loop/message_loop.h
index 667cf1e4c74bb1b78ce0a45a4886442672c98ae0..687dc151cc33fa248b8e0d62d994d342e8a51fde 100644
--- a/base/message_loop/message_loop.h
+++ b/base/message_loop/message_loop.h
@@ -7,7 +7,6 @@
 
 #include <memory>
 #include <queue>
-#include <string>
 
 #include "base/base_export.h"
 #include "base/callback_forward.h"
@@ -294,13 +293,6 @@ class BASE_EXPORT MessageLoop : public MessagePump::Delegate {
   // Returns the type passed to the constructor.
   Type type() const { return type_; }
 
-  // Optional call to connect the thread name with this loop.
-  void set_thread_name(const std::string& thread_name) {
-    DCHECK(thread_name_.empty()) << "Should not rename this thread!";
-    thread_name_ = thread_name;
-  }
-  const std::string& thread_name() const { return thread_name_; }
-
   // Gets the TaskRunner associated with this message loop.
   const scoped_refptr<SingleThreadTaskRunner>& task_runner() {
     return task_runner_;
@@ -536,7 +528,6 @@ class BASE_EXPORT MessageLoop : public MessagePump::Delegate {
   // if type_ is TYPE_CUSTOM and pump_ is null.
   MessagePumpFactoryCallback pump_factory_;
 
-  std::string thread_name_;
   // A profiling histogram showing the counts of various messages and events.
   HistogramBase* message_histogram_;