[Eraser] Remove chrome://tcmalloc

content/browser/tcmalloc_internals_request_job.h

-// 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_TCMALLOC_INTERNALS_REQUEST_JOB_H_
-#define CONTENT_BROWSER_TCMALLOC_INTERNALS_REQUEST_JOB_H_
-
-#include <map>
-#include "base/basictypes.h"
-#include "base/memory/singleton.h"
-#include "base/process/process.h"
-#include "build/build_config.h"  // USE_TCMALLOC
-#include "net/url_request/url_request_simple_job.h"
-
-namespace content {
-
-class AboutTcmallocOutputs {
- public:
-  // Returns the singleton instance.
-  static AboutTcmallocOutputs* GetInstance();
-
-  // Records the output for a specified header string.
-  void SetOutput(const std::string& header, const std::string& output);
-
-  void DumpToHTMLTable(std::string* data);
-
-  // Callback for output returned from a child process.  Adds
-  // the output for a canonical process-specific header string that
-  // incorporates the pid.
-  void OnStatsForChildProcess(base::ProcessId pid,
-                              int process_type,
-                              const std::string& output);
-
- private:
-  AboutTcmallocOutputs();
-  ~AboutTcmallocOutputs();
-
-  // A map of header strings (e.g. "Browser", "Renderer PID 123")
-  // to the tcmalloc output collected for each process.
-  typedef std::map<std::string, std::string> AboutTcmallocOutputsType;
-  AboutTcmallocOutputsType outputs_;
-
-  friend struct base::DefaultSingletonTraits<AboutTcmallocOutputs>;
-
-  DISALLOW_COPY_AND_ASSIGN(AboutTcmallocOutputs);
-};
-
-class TcmallocInternalsRequestJob : public net::URLRequestSimpleJob {
- public:
-  TcmallocInternalsRequestJob(net::URLRequest* request,
-                              net::NetworkDelegate* network_delegate);
-
-  int GetData(std::string* mime_type,
-              std::string* charset,
-              std::string* data,
-              const net::CompletionCallback& callback) const override;
-
- protected:
-  ~TcmallocInternalsRequestJob() override {}
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(TcmallocInternalsRequestJob);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_TCMALLOC_INTERNALS_REQUEST_JOB_H_