Extract debugger target enumeration into a separate class

content/browser/devtools/devtools_http_handler_impl.h

Index: content/browser/devtools/devtools_http_handler_impl.h
diff --git a/content/browser/devtools/devtools_http_handler_impl.h b/content/browser/devtools/devtools_http_handler_impl.h
index dd027eee63bd150f8d929591f5a981b9d02e8d2f..b899d9776fb1d62053b96cfef48078a03adb90ee 100644
--- a/content/browser/devtools/devtools_http_handler_impl.h
+++ b/content/browser/devtools/devtools_http_handler_impl.h
@@ -41,13 +41,9 @@ class DevToolsHttpHandlerImpl
       public base::RefCountedThreadSafe<DevToolsHttpHandlerImpl>,
       public net::HttpServer::Delegate {
  private:
-  struct PageInfo;
-  typedef std::vector<PageInfo> PageList;
   friend class base::RefCountedThreadSafe<DevToolsHttpHandlerImpl>;
   friend class DevToolsHttpHandler;
 
-  static bool SortPageListByTime(const PageInfo& info1, const PageInfo& info2);
-
   // Takes ownership over |socket_factory|.
   DevToolsHttpHandlerImpl(const net::StreamListenSocketFactory* socket_factory,
                           const std::string& frontend_url,
@@ -110,16 +106,11 @@ class DevToolsHttpHandlerImpl
   void AcceptWebSocket(int connection_id,
                        const net::HttpServerRequestInfo& request);
 
-  PageList GeneratePageList();
-
   // Returns the front end url without the host at the beginning.
   std::string GetFrontendURLInternal(const std::string rvh_id,
                                      const std::string& host);
 
-  PageInfo CreatePageInfo(RenderViewHost* rvh,
-                          DevToolsHttpHandlerDelegate::TargetType type);
-
-  base::DictionaryValue* SerializePageInfo(const PageInfo& page_info,
+  base::DictionaryValue* SerializePageInfo(DevToolsAgentHost* agent_host,
                                            const std::string& host);
 
   // The thread used by the devtools handler to run server socket.