Revert of Add builders for tracing event's structural arguments

cc/scheduler/scheduler_settings.cc

Index: cc/scheduler/scheduler_settings.cc
diff --git a/cc/scheduler/scheduler_settings.cc b/cc/scheduler/scheduler_settings.cc
index ea714e34b0dbae4fd3fc49fc0c874f758e739add..f1bf60e7865670e4351dc061833af9d74b1f0ef7 100644
--- a/cc/scheduler/scheduler_settings.cc
+++ b/cc/scheduler/scheduler_settings.cc
@@ -4,7 +4,6 @@
 
 #include "cc/scheduler/scheduler_settings.h"
 
-#include "base/debug/trace_event_argument.h"
 #include "cc/trees/layer_tree_settings.h"
 
 namespace cc {
@@ -37,10 +36,8 @@
 
 SchedulerSettings::~SchedulerSettings() {}
 
-scoped_refptr<base::debug::ConvertableToTraceFormat>
-SchedulerSettings::AsValue() const {
-  scoped_refptr<base::debug::TracedValue> state =
-      new base::debug::TracedValue();
+scoped_ptr<base::Value> SchedulerSettings::AsValue() const {
+  scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue);
   state->SetBoolean("begin_frame_scheduling_enabled",
                     begin_frame_scheduling_enabled);
   state->SetBoolean("main_frame_before_draw_enabled",
@@ -55,7 +52,7 @@
   state->SetBoolean("using_synchronous_renderer_compositor",
                     using_synchronous_renderer_compositor);
   state->SetBoolean("throttle_frame_production", throttle_frame_production);
-  return state;
+  return state.PassAs<base::Value>();
 }
 
 }  // namespace cc