Revert of First pass BackgroundTracingManager.

content/public/browser/background_tracing_reactive_config.h

Index: content/public/browser/background_tracing_reactive_config.h
diff --git a/content/public/browser/background_tracing_reactive_config.h b/content/public/browser/background_tracing_reactive_config.h
deleted file mode 100644
index d0979577f7b91df8a8ee2da97d1ccee9c8d2c1c0..0000000000000000000000000000000000000000
--- a/content/public/browser/background_tracing_reactive_config.h
+++ /dev/null
@@ -1,35 +0,0 @@
-// 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_PUBLIC_BROWSER_BACKGROUND_TRACING_REACTIVE_CONFIG_H_
-#define CONTENT_PUBLIC_BROWSER_BACKGROUND_TRACING_REACTIVE_CONFIG_H_
-
-#include "content/public/browser/background_tracing_config.h"
-
-namespace content {
-
-// BackgroundTracingReactiveConfig holds trigger rules for use during
-// reactive tracing. Tracing will be not be enabled immediately, rather
-// the BackgroundTracingManager will wait for a trigger to occur, and
-// enable tracing at that point. Tracing will be finalized later, either
-// after some time has elapsed or the trigger occurs again.
-struct CONTENT_EXPORT BackgroundTracingReactiveConfig
-    : public BackgroundTracingConfig {
- public:
-  BackgroundTracingReactiveConfig();
-  ~BackgroundTracingReactiveConfig() override;
-
-  enum RuleType { TRACE_ON_MANUAL_TRIGGER_UNTIL_10S_OR_NEXT_TRIGGER_OR_FULL };
-  struct TracingRule {
-    RuleType type;
-    std::string trigger_name;
-    CategoryPreset category_preset;
-  };
-
-  std::vector<TracingRule> configs;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_PUBLIC_BROWSER_BACKGROUND_TRACING_REACTIVE_CONFIG_H_