[DevTools] Support multiple DevToolsMessageChunkProcessor instances

content/browser/devtools/devtools_session.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 CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_SESSION_H_
 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_SESSION_H_
 
 #include "base/containers/flat_map.h"
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
@@ skipping 10 matching lines @@
  public:
   DevToolsSession(DevToolsAgentHostImpl* agent_host,
                   DevToolsAgentHostClient* client,
                   int session_id);
   ~DevToolsSession() override;
 
   int session_id() const { return session_id_; }
   void AddHandler(std::unique_ptr<protocol::DevToolsDomainHandler> handler);
   void SetRenderFrameHost(RenderFrameHostImpl* host);
   void SetFallThroughForNotFound(bool value);
+  bool ProcessChunkedMessageFromAgent(const DevToolsMessageChunk& chunk);
 
   protocol::Response::Status Dispatch(
       const std::string& message,
       int* call_id,
       std::string* method);
 
   // Only used by DevToolsAgentHostImpl.
   DevToolsAgentHostClient* client() const { return client_; }
+  void SendMessageToClient(const std::string& message);
 
   template <typename Handler>
   static std::vector<Handler*> HandlersForAgentHost(
       DevToolsAgentHostImpl* agent_host,
       const std::string& name) {
     std::vector<Handler*> result;
     if (agent_host->sessions_.empty())
       return result;
     for (const auto& session : agent_host->sessions_) {
       auto it = session->handlers_.find(name);
@@ skipping 20 matching lines @@
       handlers_;
   RenderFrameHostImpl* host_;
   std::unique_ptr<protocol::UberDispatcher> dispatcher_;
 
   base::WeakPtrFactory<DevToolsSession> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_SESSION_H_