Background tracing: Added preset category for blink_style

content/browser/tracing/background_tracing_config_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_TRACING_BACKGROUND_TRACING_CONFIG_IMPL_H_
 #define CONTENT_BROWSER_TRACING_BACKGROUND_TRACING_CONFIG_IMPL_H_
 
 #include "base/memory/scoped_vector.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/background_tracing_config.h"
@@ skipping 10 matching lines @@
 
   // From BackgroundTracingConfig
   void IntoDict(base::DictionaryValue* dict) const override;
 
   enum CategoryPreset {
     BENCHMARK,
     BENCHMARK_DEEP,
     BENCHMARK_GPU,
     BENCHMARK_IPC,
     BENCHMARK_STARTUP,
+    BLINK_STYLE
   };
 
   CategoryPreset category_preset() const { return category_preset_; }
   void set_category_preset(CategoryPreset category_preset) {
     category_preset_ = category_preset;
   }
 
   const ScopedVector<BackgroundTracingRule>& rules() const { return rules_; }
 
   void AddPreemptiveRule(const base::DictionaryValue* dict);
@@ skipping 18 matching lines @@
  private:
   CategoryPreset category_preset_;
   ScopedVector<BackgroundTracingRule> rules_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundTracingConfigImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_TRACING_BACKGROUND_TRACING_CONFIG_IMPL_H_