[DevTools] Move DevToolsClientHost functionality out of DevToolsFrontendHost.

content/browser/devtools/devtools_frontend_host.cc

-// Copyright (c) 2012 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.h"
-
-#include "content/browser/devtools/devtools_manager_impl.h"
-#include "content/browser/renderer_host/render_view_host_impl.h"
-#include "content/browser/web_contents/web_contents_impl.h"
-#include "content/common/devtools_messages.h"
-#include "content/public/browser/devtools_client_host.h"
-#include "content/public/browser/devtools_frontend_host_delegate.h"
-
-namespace content {
-
-// static
-DevToolsClientHost* DevToolsClientHost::CreateDevToolsFrontendHost(
-    WebContents* client_web_contents,
-    DevToolsFrontendHostDelegate* delegate) {
-  return new DevToolsFrontendHost(
-      static_cast<WebContentsImpl*>(client_web_contents), delegate);
-}
-
-// static
-void DevToolsClientHost::SetupDevToolsFrontendClient(
-    RenderViewHost* frontend_rvh) {
-  frontend_rvh->Send(new DevToolsMsg_SetupDevToolsClient(
-      frontend_rvh->GetRoutingID()));
-}
-
-DevToolsFrontendHost::DevToolsFrontendHost(
-    WebContentsImpl* web_contents,
-    DevToolsFrontendHostDelegate* delegate)
-    : WebContentsObserver(web_contents),
-      delegate_(delegate) {
-}
-
-DevToolsFrontendHost::~DevToolsFrontendHost() {
-  DevToolsManager::GetInstance()->ClientHostClosing(this);
-}
-
-void DevToolsFrontendHost::DispatchOnInspectorFrontend(
-    const std::string& message) {
-  if (!web_contents())
-    return;
-  RenderViewHostImpl* target_host =
-      static_cast<RenderViewHostImpl*>(web_contents()->GetRenderViewHost());
-  target_host->Send(new DevToolsClientMsg_DispatchOnInspectorFrontend(
-      target_host->GetRoutingID(),
-      message));
-}
-
-void DevToolsFrontendHost::InspectedContentsClosing() {
-  delegate_->InspectedContentsClosing();
-}
-
-void DevToolsFrontendHost::ReplacedWithAnotherClient() {
-}
-
-bool DevToolsFrontendHost::OnMessageReceived(
-    const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(DevToolsFrontendHost, 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 DevToolsFrontendHost::RenderProcessGone(
-    base::TerminationStatus status) {
-  switch(status) {
-    case base::TERMINATION_STATUS_ABNORMAL_TERMINATION:
-    case base::TERMINATION_STATUS_PROCESS_WAS_KILLED:
-    case base::TERMINATION_STATUS_PROCESS_CRASHED:
-      DevToolsManager::GetInstance()->ClientHostClosing(this);
-      break;
-    default:
-      break;
-  }
-}
-
-void DevToolsFrontendHost::OnDispatchOnInspectorBackend(
-    const std::string& message) {
-  DevToolsManagerImpl::GetInstance()->DispatchOnInspectorBackend(this, message);
-}
-
-void DevToolsFrontendHost::OnDispatchOnEmbedder(
-    const std::string& message) {
-  delegate_->DispatchOnEmbedder(message);
-}
-
-}  // namespace content