DevTools: remove support for legacy remote debugger

chrome/browser/debugger/devtools_remote_message.h

-// Copyright (c) 2011 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 CHROME_BROWSER_DEBUGGER_DEVTOOLS_REMOTE_MESSAGE_H_
-#define CHROME_BROWSER_DEBUGGER_DEVTOOLS_REMOTE_MESSAGE_H_
-#pragma once
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/hash_tables.h"
-
-// Contains DevTools protocol message header names
-// and the Flags header bit field constants.
-struct DevToolsRemoteMessageHeaders {
-  // The content length in decimal.
-  static const char kContentLength[];
-  // The tool that should handle the message.
-  static const char kTool[];
-  // The destination (inspected) object identifier (if any), like a TabID.
-  static const char kDestination[];
-};
-
-// Represents a Chrome remote debugging protocol message transferred
-// over the wire between the remote debugger and a Chrome instance.
-// Consider using DevToolsRemoteMessageBuilder (see end of this file) for easy
-// construction of outbound (Chrome -> remote debugger) messages.
-class DevToolsRemoteMessage {
- public:
-  typedef base::hash_map<std::string, std::string> HeaderMap;
-
-  // Use this as the second parameter in a |GetHeader| call to use
-  // an empty string as the default value.
-  static const char kEmptyValue[];
-
-  // Constructs an empty message with no content or headers.
-  DevToolsRemoteMessage();
-  DevToolsRemoteMessage(const HeaderMap& headers, const std::string& content);
-  virtual ~DevToolsRemoteMessage();
-
-  const HeaderMap& headers() const {
-    return header_map_;
-  }
-
-  const std::string& content() const {
-    return content_;
-  }
-
-  int content_length() const {
-    return content_.size();
-  }
-
-  const std::string tool() const {
-    return GetHeaderWithEmptyDefault(DevToolsRemoteMessageHeaders::kTool);
-  }
-
-  const std::string destination() const {
-    return GetHeaderWithEmptyDefault(
-        DevToolsRemoteMessageHeaders::kDestination);
-  }
-
-  // Returns the header value providing default_value if the header is absent.
-  const std::string GetHeader(const std::string& header_name,
-                              const std::string& default_value) const;
-
-  // Returns the header value providing an empty string if the header is absent.
-  const std::string GetHeaderWithEmptyDefault(
-      const std::string& header_name) const;
-
-  // Returns a string representation of the message useful for the transfer to
-  // the remote debugger.
-  const std::string ToString() const;
-
- private:
-  HeaderMap header_map_;
-  std::string content_;
-  // Cannot DISALLOW_COPY_AND_ASSIGN(DevToolsRemoteMessage) since it is passed
-  // as an IPC message argument and needs to be copied.
-};
-
-// Facilitates easy construction of outbound (Chrome -> remote debugger)
-// DevToolsRemote messages.
-class DevToolsRemoteMessageBuilder {
- public:
-  // A singleton instance getter.
-  static DevToolsRemoteMessageBuilder& instance();
-  // Creates a message given the certain header values and a payload.
-  DevToolsRemoteMessage* Create(const std::string& tool,
-                                const std::string& destination,
-                                const std::string& payload);
-
- private:
-  DevToolsRemoteMessageBuilder() {}
-  virtual ~DevToolsRemoteMessageBuilder() {}
-  DISALLOW_COPY_AND_ASSIGN(DevToolsRemoteMessageBuilder);
-};
-
-#endif  // CHROME_BROWSER_DEBUGGER_DEVTOOLS_REMOTE_MESSAGE_H_