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

base/threading/platform_thread.h

Index: base/threading/platform_thread.h
diff --git a/base/threading/platform_thread.h b/base/threading/platform_thread.h
index d8f06e5884d559682660f8aedf73938473886c59..653961ddfae05b34ddbf3def5fbe91f20e523c51 100644
--- a/base/threading/platform_thread.h
+++ b/base/threading/platform_thread.h
@@ -156,8 +156,9 @@ class BASE_EXPORT PlatformThread {
   static void Sleep(base::TimeDelta duration);
 
   // Sets the thread name visible to debuggers/tools. This has no effect
-  // otherwise.
-  static void SetName(const std::string& name);
+  // otherwise. This name pointer is not copied internally. Thus, it must stay
+  // valid until the thread ends.
+  static void SetName(const char* name);
 
   // Gets the thread name, if previously set by SetName.
   static const char* GetName();