[DevTools] Support multiple DevToolsMessageChunkProcessor instances

content/browser/devtools/devtools_agent_host_impl.cc

Index: content/browser/devtools/devtools_agent_host_impl.cc
diff --git a/content/browser/devtools/devtools_agent_host_impl.cc b/content/browser/devtools/devtools_agent_host_impl.cc
index e91af24df845b4aea8a500af1f107eb7bda96cb5..8684e11231424c008b2939a8b787c379c255fb42 100644
--- a/content/browser/devtools/devtools_agent_host_impl.cc
+++ b/content/browser/devtools/devtools_agent_host_impl.cc
@@ -274,14 +274,6 @@ void DevToolsAgentHostImpl::InspectElement(
     int y) {
 }
 
-void DevToolsAgentHostImpl::SendMessageToClient(int session_id,
-                                                const std::string& message) {
-  // Filter any messages from previous sessions.
-  if (!session_ || session_id != session_->session_id())
-    return;
-  session_->client()->DispatchProtocolMessage(this, message);
-}
-
 // static
 void DevToolsAgentHost::DetachAllClients() {
   if (g_instances == NULL)