Implement FromDict/IntoDict for BackgroundTracingConfig.

content/browser/tracing/background_tracing_manager_impl.cc

 // Copyright 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.
 
 #include "content/browser/tracing/background_tracing_manager_impl.h"
 
 #include "base/macros.h"
 #include "content/public/browser/background_tracing_preemptive_config.h"
 #include "content/public/browser/background_tracing_reactive_config.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 278 matching lines @@
           "disabled-by-default-toplevel.flow,"
           "disabled-by-default-ipc.flow");
     case BackgroundTracingConfig::CategoryPreset::BENCHMARK_DEEP:
       return base::trace_event::CategoryFilter(
           "*,disabled-by-default-blink.debug.layout");
   }
   NOTREACHED();
   return base::trace_event::CategoryFilter();
 }
 
-scoped_ptr<BackgroundTracingConfig> BackgroundTracingConfig::FromDict(
-    const base::DictionaryValue* dict) {
-  // TODO(simonhatch): Implement this.
-  CHECK(false);
-  return NULL;
-}
-
-void BackgroundTracingConfig::IntoDict(const BackgroundTracingConfig* config,
-                                       base::DictionaryValue* dict) {
-  // TODO(simonhatch): Implement this.
-  CHECK(false);
-}
-
 }  // namspace content