Revert some other possible suspects of a 0.43% size increase of setup.exe: https://build.chromium.o…

base/threading/worker_pool_posix.cc

Index: base/threading/worker_pool_posix.cc
diff --git a/base/threading/worker_pool_posix.cc b/base/threading/worker_pool_posix.cc
index 349b5d751c1028d2ec678b94cfddd1eddc4b093c..8c55a2cd4810718763fec11aa63c865cd2813787 100644
--- a/base/threading/worker_pool_posix.cc
+++ b/base/threading/worker_pool_posix.cc
@@ -77,7 +77,7 @@ void WorkerThread::ThreadMain() {
   const std::string name = base::StringPrintf(
       "%s/%d", name_prefix_.c_str(), PlatformThread::CurrentId());
   // Note |name.c_str()| must remain valid for for the whole life of the thread.
-  PlatformThread::SetName(name);
+  PlatformThread::SetName(name.c_str());
 
   for (;;) {
     PendingTask pending_task = pool_->WaitForTask();