[DevTools] Move DispatchOnDevToolsFrontend to embedder.

content/browser/devtools/devtools_frontend_host_impl.cc

Index: content/browser/devtools/devtools_frontend_host_impl.cc
diff --git a/content/browser/devtools/devtools_frontend_host_impl.cc b/content/browser/devtools/devtools_frontend_host_impl.cc
index 4e708463b97fa1e7f7816f330703c0b1f1684f2c..1b1c5bac918fa439aafcdaef0fd22b39120fdf47 100644
--- a/content/browser/devtools/devtools_frontend_host_impl.cc
+++ b/content/browser/devtools/devtools_frontend_host_impl.cc
@@ -30,16 +30,6 @@ DevToolsFrontendHostImpl::DevToolsFrontendHostImpl(
 DevToolsFrontendHostImpl::~DevToolsFrontendHostImpl() {
 }
 
-void DevToolsFrontendHostImpl::DispatchOnDevToolsFrontend(
-    const std::string& message) {
-  if (!web_contents())
-    return;
-  RenderViewHost* target_host = web_contents()->GetRenderViewHost();
-  target_host->Send(new DevToolsClientMsg_DispatchOnInspectorFrontend(
-      target_host->GetRoutingID(),
-      message));
-}
-
 bool DevToolsFrontendHostImpl::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;