Revert of Change WebContents::last_active_time_ to Time instead of Timeticks.

components/devtools_http_handler/devtools_http_handler.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 <algorithm>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_util.h"
@@ skipping 302 matching lines @@
 
  private:
   base::MessageLoop* const message_loop_;
   ServerWrapper* const server_wrapper_;
   const int connection_id_;
   scoped_refptr<DevToolsAgentHost> agent_host_;
 };
 
 static bool TimeComparator(const DevToolsTargetDescriptor* desc1,
                            const DevToolsTargetDescriptor* desc2) {
-  return desc1->GetLastActiveTime() > desc2->GetLastActiveTime();
+  return desc1->GetLastActivityTime() > desc2->GetLastActivityTime();
 }
 
 // DevToolsHttpHandler::ServerSocketFactory ----------------------------------
 
 scoped_ptr<net::ServerSocket>
 DevToolsHttpHandler::ServerSocketFactory::CreateForHttpServer() {
   return scoped_ptr<net::ServerSocket>();
 }
 
 scoped_ptr<net::ServerSocket>
@@ skipping 584 matching lines @@
         id.c_str(),
         host);
     dictionary->SetString(
         kTargetDevtoolsFrontendUrlField, devtools_frontend_url);
   }
 
   return dictionary;
 }
 
 }  // namespace devtools_http_handler