[chromedriver] Do not identify extension background pages by url scheme.

chrome/test/chromedriver/chrome/devtools_http_client.cc

 // Copyright (c) 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.
 
 #include "chrome/test/chromedriver/chrome/devtools_http_client.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 142 matching lines @@
   return &browser_info_;
 }
 
 const DeviceMetrics* DevToolsHttpClient::device_metrics() {
   return device_metrics_.get();
 }
 
 bool DevToolsHttpClient::IsBrowserWindow(const WebViewInfo& view) const {
   return base::ContainsKey(*window_types_, view.type) ||
          (view.type == WebViewInfo::kOther &&
-          (base::StartsWith(view.url, "chrome-extension://",
-                            base::CompareCase::SENSITIVE) ||
-           view.url == "chrome://print/" ||
+          (view.url == "chrome://print/" ||
            view.url == "chrome://media-router/"));
 }
 
 Status DevToolsHttpClient::CloseFrontends(const std::string& for_client_id) {
   WebViewsInfo views_info;
   Status status = GetWebViewsInfo(&views_info);
   if (status.IsError())
     return status;
 
   // Close frontends. Usually frontends are docked in the same page, although
@@ skipping 130 matching lines @@
     Status status = ParseType(type_as_string, &type);
     if (status.IsError())
       return status;
     temp_views_info.push_back(WebViewInfo(id, debugger_url, url, type));
   }
   *views_info = WebViewsInfo(temp_views_info);
   return Status(kOk);
 }
 
 }  // namespace internal