DevTools: remove devtools_discovery (merged into content).

components/devtools_discovery/devtools_discovery_manager.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 COMPONENTS_DEVTOOLS_DISCOVERY_DEVTOOLS_DISCOVERY_MANAGER_H_
-#define COMPONENTS_DEVTOOLS_DISCOVERY_DEVTOOLS_DISCOVERY_MANAGER_H_
-
-#include <memory>
-#include <string>
-
-#include "base/macros.h"
-#include "base/memory/singleton.h"
-#include "base/values.h"
-#include "content/public/browser/devtools_agent_host.h"
-
-namespace devtools_discovery {
-
-class DevToolsDiscoveryManager {
- public:
-  class Provider {
-   public:
-    virtual ~Provider() {}
-
-    virtual content::DevToolsAgentHost::List GetDescriptors() = 0;
-  };
-
-  using CreateCallback = base::Callback<
-      scoped_refptr<content::DevToolsAgentHost>(const GURL& url)>;
-
-  // Returns single instance of this class. The instance is destroyed on the
-  // browser main loop exit so this method MUST NOT be called after that point.
-  static DevToolsDiscoveryManager* GetInstance();
-
-  void AddProvider(std::unique_ptr<Provider> provider);
-  void SetCreateCallback(const CreateCallback& callback);
-  // Caller takes ownership of created descriptors.
-  content::DevToolsAgentHost::List GetDescriptors();
-  scoped_refptr<content::DevToolsAgentHost> CreateNew(const GURL& url);
-
-  // Handles Browser.createTarget only.
-  std::unique_ptr<base::DictionaryValue> HandleCreateTargetCommand(
-      base::DictionaryValue* command_dict);
-
- private:
-  friend struct base::DefaultSingletonTraits<DevToolsDiscoveryManager>;
-
-  DevToolsDiscoveryManager();
-  ~DevToolsDiscoveryManager();
-  content::DevToolsAgentHost::List GetDescriptorsFromProviders();
-
-  std::vector<Provider*> providers_;
-  CreateCallback create_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(DevToolsDiscoveryManager);
-};
-
-}  // namespace devtools_discovery
-
-#endif  // COMPONENTS_DEVTOOLS_DISCOVERY_DEVTOOLS_DISCOVERY_MANAGER_H_