[DevTools] Move DispatchOnDevToolsFrontend to embedder.

content/browser/devtools/devtools_frontend_host_impl.cc

 // Copyright 2014 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.
 
 #include "content/browser/devtools/devtools_frontend_host_impl.h"
 
 #include "content/common/devtools_messages.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
@@ skipping 12 matching lines @@
     DevToolsFrontendHost::Delegate* delegate)
     : WebContentsObserver(WebContents::FromRenderViewHost(frontend_rvh)),
       delegate_(delegate) {
   frontend_rvh->Send(new DevToolsMsg_SetupDevToolsClient(
       frontend_rvh->GetRoutingID()));
 }
 
 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;
   IPC_BEGIN_MESSAGE_MAP(DevToolsFrontendHostImpl, message)
     IPC_MESSAGE_HANDLER(DevToolsAgentMsg_DispatchOnInspectorBackend,
                         OnDispatchOnInspectorBackend)
     IPC_MESSAGE_HANDLER(DevToolsHostMsg_DispatchOnEmbedder,
                         OnDispatchOnEmbedder)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void DevToolsFrontendHostImpl::OnDispatchOnInspectorBackend(
     const std::string& message) {
   delegate_->HandleMessageFromDevToolsFrontendToBackend(message);
 }
 
 void DevToolsFrontendHostImpl::OnDispatchOnEmbedder(
     const std::string& message) {
   delegate_->HandleMessageFromDevToolsFrontend(message);
 }
 
 }  // namespace content