Hooked the trace event argument whitelist up to the background_trace_manager

base/trace_event/trace_config.h

 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_TRACE_EVENT_TRACE_CONFIG_H_
 #define BASE_TRACE_EVENT_TRACE_CONFIG_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 104 matching lines @@
   const StringList& GetSyntheticDelayValues() const;
 
   TraceRecordMode GetTraceRecordMode() const { return record_mode_; }
   bool IsSamplingEnabled() const { return enable_sampling_; }
   bool IsSystraceEnabled() const { return enable_systrace_; }
   bool IsArgumentFilterEnabled() const { return enable_argument_filter_; }
 
   void SetTraceRecordMode(TraceRecordMode mode) { record_mode_ = mode; }
   void EnableSampling() { enable_sampling_ = true; }
   void EnableSystrace() { enable_systrace_ = true; }
+  void EnableArgumentFilter() { enable_argument_filter_ = true; }
 
   // Writes the string representation of the TraceConfig. The string is JSON
   // formatted.
   std::string ToString() const;
 
   // Write the string representation of the CategoryFilter part.
   std::string ToCategoryFilterString() const;
 
   // Returns true if at least one category in the list is enabled by this
   // trace config.
@@ skipping 60 matching lines @@
   StringList included_categories_;
   StringList disabled_categories_;
   StringList excluded_categories_;
   StringList synthetic_delays_;
 };
 
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_TRACE_CONFIG_H_