[headless] Remove default browser context.

headless/lib/browser/headless_devtools_manager_delegate.h

 // Copyright 2016 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 HEADLESS_LIB_BROWSER_HEADLESS_DEVTOOLS_MANAGER_DELEGATE_H_
 #define HEADLESS_LIB_BROWSER_HEADLESS_DEVTOOLS_MANAGER_DELEGATE_H_
 
 #include "content/public/browser/devtools_manager_delegate.h"
 
 #include <map>
 #include <memory>
 #include <string>
 
+#include "base/memory/weak_ptr.h"
 #include "base/values.h"
 
 namespace headless {
 class HeadlessBrowserImpl;
 class HeadlessBrowserContext;
 class HeadlessWebContentsImpl;
 
 class HeadlessDevToolsManagerDelegate
     : public content::DevToolsManagerDelegate {
  public:
   explicit HeadlessDevToolsManagerDelegate(HeadlessBrowserImpl* browser);
   ~HeadlessDevToolsManagerDelegate() override;
 
   // DevToolsManagerDelegate implementation:
   void Inspect(content::BrowserContext* browser_context,
                content::DevToolsAgentHost* agent_host) override {}
   void DevToolsAgentStateChanged(content::DevToolsAgentHost* agent_host,
                                  bool attached) override{};
   base::DictionaryValue* HandleCommand(content::DevToolsAgentHost* agent_host,
                                        base::DictionaryValue* command) override;
 
+  // Delete owned browser contexts.
+  void Shutdown();
+
+  base::WeakPtr<HeadlessDevToolsManagerDelegate> GetWeakPtr();
+
  private:
   std::unique_ptr<base::Value> CreateTarget(
       const base::DictionaryValue* params);
   std::unique_ptr<base::Value> CloseTarget(const base::DictionaryValue* params);
   std::unique_ptr<base::Value> CreateBrowserContext(
       const base::DictionaryValue* params);
   std::unique_ptr<base::Value> DisposeBrowserContext(
       const base::DictionaryValue* params);
 
   HeadlessBrowserImpl* browser_;  // Not owned.
   std::map<std::string, std::unique_ptr<HeadlessBrowserContext>>
       browser_context_map_;
 
   using CommandMemberFnPtr = std::unique_ptr<base::Value> (
       HeadlessDevToolsManagerDelegate::*)(const base::DictionaryValue* params);
 
   std::map<std::string, CommandMemberFnPtr> command_map_;
+
+  std::unique_ptr<HeadlessBrowserContext> default_browser_context_;
+
+  base::WeakPtrFactory<HeadlessDevToolsManagerDelegate> weak_ptr_factory_;
 };
 
 }  // namespace headless
 
 #endif  // HEADLESS_LIB_BROWSER_HEADLESS_DEVTOOLS_MANAGER_DELEGATE_H_