Remove "--logfile=*" from V8 flags in renderers. It is no more needed and is ignored by V8.

content/renderer/render_process_impl.cc

Index: content/renderer/render_process_impl.cc
diff --git a/content/renderer/render_process_impl.cc b/content/renderer/render_process_impl.cc
index 3e67c64707060691ce072ea6153f739df375d4ae..cc900cd8f54b77031cef5a0124c99cd1b8567439 100644
--- a/content/renderer/render_process_impl.cc
+++ b/content/renderer/render_process_impl.cc
@@ -64,8 +64,8 @@ RenderProcessImpl::RenderProcessImpl()
   // Out of process dev tools rely upon auto break behavior.
   webkit_glue::SetJavaScriptFlags(
       "--debugger-auto-break"
-      // Enable lazy in-memory profiling.
-      " --prof --prof-lazy --logfile=*");
+      // Enable on-demand profiling.
+      " --prof --prof-lazy");
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kJavaScriptFlags)) {