DevTools: introduce browser domain for basic target discovery.

content/browser/devtools/render_frame_devtools_agent_host.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_DEVTOOLS_RENDER_FRAME_DEVTOOLS_AGENT_HOST_H_
 #define CONTENT_BROWSER_DEVTOOLS_RENDER_FRAME_DEVTOOLS_AGENT_HOST_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 15 matching lines @@
 class DevToolsProtocolHandler;
 class FrameTreeNode;
 class NavigationHandle;
 class RenderFrameHostImpl;
 
 #if defined(OS_ANDROID)
 class PowerSaveBlockerImpl;
 #endif
 
 namespace devtools {
+namespace browser { class BrowserHandler; }
 namespace dom { class DOMHandler; }
 namespace emulation { class EmulationHandler; }
 namespace input { class InputHandler; }
 namespace inspector { class InspectorHandler; }
 namespace io { class IOHandler; }
 namespace network { class NetworkHandler; }
 namespace page { class PageHandler; }
 namespace security { class SecurityHandler; }
 namespace service_worker { class ServiceWorkerHandler; }
 namespace storage { class StorageHandler; }
@@ skipping 96 matching lines @@
   void DestroyOnRenderFrameGone();
 
   class FrameHostHolder;
 
   std::unique_ptr<FrameHostHolder> current_;
   std::unique_ptr<FrameHostHolder> pending_;
 
   // Stores per-host state between DisconnectWebContents and ConnectWebContents.
   std::unique_ptr<FrameHostHolder> disconnected_;
 
+  std::unique_ptr<devtools::browser::BrowserHandler> browser_handler_;
   std::unique_ptr<devtools::dom::DOMHandler> dom_handler_;
   std::unique_ptr<devtools::input::InputHandler> input_handler_;
   std::unique_ptr<devtools::inspector::InspectorHandler> inspector_handler_;
   std::unique_ptr<devtools::io::IOHandler> io_handler_;
   std::unique_ptr<devtools::network::NetworkHandler> network_handler_;
   std::unique_ptr<devtools::page::PageHandler> page_handler_;
   std::unique_ptr<devtools::security::SecurityHandler> security_handler_;
   std::unique_ptr<devtools::service_worker::ServiceWorkerHandler>
       service_worker_handler_;
   std::unique_ptr<devtools::storage::StorageHandler>
@@ skipping 25 matching lines @@
 
   // The FrameTreeNode associated with this agent.
   FrameTreeNode* frame_tree_node_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameDevToolsAgentHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_RENDER_FRAME_DEVTOOLS_AGENT_HOST_H_