Revert of [DevTools] Migrate DevToolsTracingHandler to generated handler.

content/browser/devtools/devtools_tracing_handler.h

Index: content/browser/devtools/devtools_tracing_handler.h
diff --git a/content/browser/devtools/devtools_tracing_handler.h b/content/browser/devtools/devtools_tracing_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..6b1a93f92152cd229e7e3a4c390c3df66f411fce
--- /dev/null
+++ b/content/browser/devtools/devtools_tracing_handler.h
@@ -0,0 +1,72 @@
+// Copyright (c) 2012 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_DEVTOOLS_DEVTOOLS_TRACING_HANDLER_H_
+#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACING_HANDLER_H_
+
+#include <set>
+#include <string>
+
+#include "base/debug/trace_event.h"
+#include "base/memory/weak_ptr.h"
+#include "content/browser/devtools/devtools_protocol.h"
+#include "content/public/browser/tracing_controller.h"
+
+namespace base {
+class RefCountedString;
+class Timer;
+}
+
+namespace content {
+
+// This class bridges DevTools remote debugging server with the trace
+// infrastructure.
+class DevToolsTracingHandler : public DevToolsProtocol::Handler {
+ public:
+  enum Target { Browser, Renderer };
+  explicit DevToolsTracingHandler(Target target);
+  ~DevToolsTracingHandler() override;
+
+  void OnClientDetached();
+
+  void OnTraceDataCollected(const std::string& trace_fragment);
+  void OnTraceComplete();
+
+ private:
+  void OnRecordingEnabled(scoped_refptr<DevToolsProtocol::Command> command);
+  void OnBufferUsage(float usage);
+
+  scoped_refptr<DevToolsProtocol::Response> OnStart(
+      scoped_refptr<DevToolsProtocol::Command> command);
+  scoped_refptr<DevToolsProtocol::Response> OnEnd(
+      scoped_refptr<DevToolsProtocol::Command> command);
+
+  scoped_refptr<DevToolsProtocol::Response> OnGetCategories(
+      scoped_refptr<DevToolsProtocol::Command> command);
+
+  void OnCategoriesReceived(scoped_refptr<DevToolsProtocol::Command> command,
+                            const std::set<std::string>& category_set);
+
+  base::debug::TraceOptions TraceOptionsFromString(const std::string& options);
+
+  void SetupTimer(double usage_reporting_interval);
+
+  void DisableRecording(bool abort);
+
+  scoped_ptr<base::Timer> buffer_usage_poll_timer_;
+  Target target_;
+  bool is_recording_;
+
+  static const char* kDefaultCategories;
+  static const double kDefaultReportingInterval;
+  static const double kMinimumReportingInterval;
+
+  base::WeakPtrFactory<DevToolsTracingHandler> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsTracingHandler);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACING_HANDLER_H_