tracing: remove sampling state profiler

content/browser/tracing/tracing_ui.cc

Index: content/browser/tracing/tracing_ui.cc
diff --git a/content/browser/tracing/tracing_ui.cc b/content/browser/tracing/tracing_ui.cc
index 3e32838f33c2086e0f73d074643a87d387bc1b3e..eec9742fbbc8f9a7029e5c8292dfc5a9b6b2060d 100644
--- a/content/browser/tracing/tracing_ui.cc
+++ b/content/browser/tracing/tracing_ui.cc
@@ -94,11 +94,6 @@ bool GetTracingOptions(const std::string& data64,
   if (enable_systrace)
     trace_config->EnableSystrace();
 
-  bool enable_sampling;
-  options_ok &= options->GetBoolean("useSampling", &enable_sampling);
-  if (enable_sampling)
-    trace_config->EnableSampling();
-
   if (!options_ok) {
     LOG(ERROR) << "Malformed options";
     return false;