[DevTools] Move DevToolsClientHost functionality out of DevToolsFrontendHost.

content/browser/devtools/devtools_frontend_host_impl.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_frontend_host_impl.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"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
 
 namespace content {
 
 // static
-DevToolsClientHost* DevToolsClientHost::CreateDevToolsFrontendHost(
-    WebContents* client_web_contents,
-    DevToolsFrontendHostDelegate* delegate) {
-  return new DevToolsFrontendHost(
-      static_cast<WebContentsImpl*>(client_web_contents), delegate);
+DevToolsFrontendHost* DevToolsFrontendHost::Create(
+    RenderViewHost* frontend_rvh,
+    DevToolsFrontendHost::Delegate* delegate) {
+  return new DevToolsFrontendHostImpl(frontend_rvh, delegate);
 }
 
-// static
-void DevToolsClientHost::SetupDevToolsFrontendClient(
-    RenderViewHost* frontend_rvh) {
+DevToolsFrontendHostImpl::DevToolsFrontendHostImpl(
+    RenderViewHost* frontend_rvh,
+    DevToolsFrontendHost::Delegate* delegate)
+    : WebContentsObserver(WebContents::FromRenderViewHost(frontend_rvh)),
+      delegate_(delegate) {
   frontend_rvh->Send(new DevToolsMsg_SetupDevToolsClient(
       frontend_rvh->GetRoutingID()));
 }
 
-DevToolsFrontendHost::DevToolsFrontendHost(
-    WebContentsImpl* web_contents,
-    DevToolsFrontendHostDelegate* delegate)
-    : WebContentsObserver(web_contents),
-      delegate_(delegate) {
+DevToolsFrontendHostImpl::~DevToolsFrontendHostImpl() {
 }
 
-DevToolsFrontendHost::~DevToolsFrontendHost() {
-  DevToolsManager::GetInstance()->ClientHostClosing(this);
-}
-
-void DevToolsFrontendHost::DispatchOnInspectorFrontend(
+void DevToolsFrontendHostImpl::DispatchOnDevToolsFrontend(
     const std::string& message) {
   if (!web_contents())
     return;
-  RenderViewHostImpl* target_host =
-      static_cast<RenderViewHostImpl*>(web_contents()->GetRenderViewHost());
+  RenderViewHost* target_host = web_contents()->GetRenderViewHost();
   target_host->Send(new DevToolsClientMsg_DispatchOnInspectorFrontend(
       target_host->GetRoutingID(),
       message));
 }
 
-void DevToolsFrontendHost::InspectedContentsClosing() {
-  delegate_->InspectedContentsClosing();
-}
-
-void DevToolsFrontendHost::ReplacedWithAnotherClient() {
-}
-
-bool DevToolsFrontendHost::OnMessageReceived(
+bool DevToolsFrontendHostImpl::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(DevToolsFrontendHost, message)
+  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 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 DevToolsFrontendHostImpl::OnDispatchOnInspectorBackend(
+    const std::string& message) {
+  delegate_->HandleMessageFromDevToolsFrontendToBackend(message);
 }
 
-void DevToolsFrontendHost::OnDispatchOnInspectorBackend(
+void DevToolsFrontendHostImpl::OnDispatchOnEmbedder(
     const std::string& message) {
-  DevToolsManagerImpl::GetInstance()->DispatchOnInspectorBackend(this, message);
-}
-
-void DevToolsFrontendHost::OnDispatchOnEmbedder(
-    const std::string& message) {
-  delegate_->DispatchOnEmbedder(message);
+  delegate_->HandleMessageFromDevToolsFrontend(message);
 }
 
 }  // namespace content