[chromedriver] Code clean-up

Delete chrome/test/chromedriver/embed_extension_in_cpp.py, which is
not used anymore.
Edit chrome/test/chromedriver/chrome/navigation_tracker.cc, to
remove kAutomationExtensionBackgroundPage.

Bug: chromedriver:3376
Change-Id: Ia1a9c17263e682de7a57a826a0e1d7042ea6db02
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2367772Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: John Chen <johnchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#800363}

chrome/test/chromedriver/chrome/navigation_tracker.cc

@@ -17,10 +17,6 @@
 
 namespace {
 
-const char kAutomationExtensionBackgroundPage[] =
-    "chrome-extension://aapnijgdinlhnhlmodcfapnahmbfebeb/"
-    "_generated_background_page.html";
-
 // Match to content/browser/devtools/devTools_session const of same name
 const char kTargetClosedMessage[] = "Inspected target navigated or closed";
 
@@ -179,15 +175,7 @@ Status NavigationTracker::IsPendingNavigation(const Timeout* timeout,
       *loading_state_ = kLoading;
       return Status(kOk);
     }
-    // If we're loading the ChromeDriver automation extension background page,
-    // look for a known function to determine the loading status.
-    if (base_url == kAutomationExtensionBackgroundPage) {
-      bool function_exists = false;
-      status = CheckFunctionExists(timeout, &function_exists);
-      if (status.IsError())
-        return MakeNavigationCheckFailedStatus(status);
-      *loading_state_ = function_exists ? kNotLoading : kLoading;
-    }
+
     status = UpdateCurrentLoadingState();
     if (status.code() == kNoSuchExecutionContext)
       *loading_state_ = kLoading;

chrome/test/chromedriver/embed_extension_in_cpp.py

-#!/usr/bin/env python
-# 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.
-
-"""Embeds Chrome user data files in C++ code."""
-
-import base64
-import optparse
-import os
-import StringIO
-import sys
-import zipfile
-
-import cpp_source
-
-
-def main():
-  parser = optparse.OptionParser()
-  parser.add_option(
-      '', '--directory', type='string', default='.',
-      help='Path to directory where the cc/h  file should be created')
-  options, args = parser.parse_args()
-
-  global_string_map = {}
-  string_buffer = StringIO.StringIO()
-  zipper = zipfile.ZipFile(string_buffer, 'w')
-  for f in args:
-    zipper.write(f, os.path.basename(f), zipfile.ZIP_STORED)
-  zipper.close()
-  global_string_map['kAutomationExtension'] = base64.b64encode(
-      string_buffer.getvalue())
-  string_buffer.close()
-
-  cpp_source.WriteSource('embedded_automation_extension',
-                         'chrome/test/chromedriver/chrome',
-                         options.directory, global_string_map)
-
-
-if __name__ == '__main__':
-  sys.exit(main())