[DevTools] Make DevTools clients talk directly to DevToolsAgentHost instead of using DevToolsManage…

content/browser/devtools/forwarding_agent_host.cc

Index: content/browser/devtools/forwarding_agent_host.cc
diff --git a/content/browser/devtools/forwarding_agent_host.cc b/content/browser/devtools/forwarding_agent_host.cc
index f1524e1b7e1d9798c1b0dbf4f40899d768c04c4a..afbccf820b950aa9888f58b14c327c9b6463811d 100644
--- a/content/browser/devtools/forwarding_agent_host.cc
+++ b/content/browser/devtools/forwarding_agent_host.cc
@@ -17,12 +17,11 @@ ForwardingAgentHost::~ForwardingAgentHost() {
 }
 
 void ForwardingAgentHost::DispatchOnClientHost(const std::string& message) {
-  DevToolsManagerImpl::GetInstance()->DispatchOnInspectorFrontend(
-      this, message);
+  SendMessageToClient(message);
 }
 
 void ForwardingAgentHost::ConnectionClosed() {
-  NotifyCloseListener();
+  HostClosed();
 }
 
 void ForwardingAgentHost::Attach() {