Set the content/ trace event PII whitelist to be the arg-filtering predicate in TraceLog

content/browser/tracing/tracing_controller_impl.cc

Index: content/browser/tracing/tracing_controller_impl.cc
diff --git a/content/browser/tracing/tracing_controller_impl.cc b/content/browser/tracing/tracing_controller_impl.cc
index 3a235fe5bdaf803c7790dfdb12de1e554e952550..56350f33360e8563854d30879cf31024b0d3b825 100644
--- a/content/browser/tracing/tracing_controller_impl.cc
+++ b/content/browser/tracing/tracing_controller_impl.cc
@@ -12,6 +12,7 @@
 #include "content/browser/tracing/trace_message_filter.h"
 #include "content/browser/tracing/tracing_ui.h"
 #include "content/common/child_process_messages.h"
+#include "content/common/trace_event_args_whitelist.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/common/content_switches.h"
 
@@ -96,6 +97,11 @@ void TracingControllerImpl::SetEnabledOnFileThread(
 
   TraceLog::GetInstance()->SetEnabled(
       category_filter, static_cast<TraceLog::Mode>(mode), trace_options);
+  if (trace_options.enable_args_whitelist) {
+    TraceLog::GetInstance()->SetEventFilterPredicate(
+        base::Bind(&content::IsTraceEventArgsWhitelisted));
+  }
+
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, callback);
 }