[DevTools] Move DevToolsClientHost functionality out of DevToolsFrontendHost.

content/shell/browser/shell_devtools_frontend.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_SHELL_BROWSER_SHELL_DEVTOOLS_FRONTEND_H_
 #define CONTENT_SHELL_BROWSER_SHELL_DEVTOOLS_FRONTEND_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/devtools_client_host.h"
-#include "content/public/browser/devtools_frontend_host_delegate.h"
+#include "content/public/browser/devtools_frontend_host.h"
 #include "content/public/browser/web_contents_observer.h"
 
 namespace content {
 
 GURL GetDevToolsPathAsURL(const std::string& settings,
                           const std::string& frontend_url);
 
 class RenderViewHost;
 class Shell;
 class WebContents;
 
 class ShellDevToolsFrontend : public WebContentsObserver,
-                              public DevToolsFrontendHostDelegate {
+                              public DevToolsFrontendHost::Delegate,
+                              public DevToolsClientHost {
  public:
   static ShellDevToolsFrontend* Show(WebContents* inspected_contents);
   static ShellDevToolsFrontend* Show(WebContents* inspected_contents,
                                      const std::string& settings,
                                      const std::string& frontend_url);
   void Activate();
   void Focus();
   void InspectElementAt(int x, int y);
   void Close();
 
   Shell* frontend_shell() const { return frontend_shell_; }
 
  private:
   ShellDevToolsFrontend(Shell* frontend_shell, DevToolsAgentHost* agent_host);
   virtual ~ShellDevToolsFrontend();
 
   // WebContentsObserver overrides
   virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
   virtual void DocumentOnLoadCompletedInMainFrame() OVERRIDE;
   virtual void WebContentsDestroyed() OVERRIDE;
   virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE;
 
-  // DevToolsFrontendHostDelegate implementation
-  virtual void DispatchOnEmbedder(const std::string& message) OVERRIDE {}
+  // content::DevToolsFrontendHost::Delegate implementation.
+  virtual void HandleMessageFromDevToolsFrontend(
+      const std::string& message) OVERRIDE {}
+  virtual void HandleMessageFromDevToolsFrontendToBackend(
+      const std::string& message) OVERRIDE;
 
+  // content::DevToolsClientHost implementation.
+  virtual void DispatchOnInspectorFrontend(const std::string& message) OVERRIDE;
   virtual void InspectedContentsClosing() OVERRIDE;
+  virtual void ReplacedWithAnotherClient() OVERRIDE {}
 
   Shell* frontend_shell_;
   scoped_refptr<DevToolsAgentHost> agent_host_;
-  scoped_ptr<DevToolsClientHost> frontend_host_;
+  scoped_ptr<DevToolsFrontendHost> frontend_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellDevToolsFrontend);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_SHELL_DEVTOOLS_FRONTEND_H_