Revert "Load web contents after tab is created."

chrome/android/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/module_args/v8.gni")
 import("//chrome/version.gni")
 import("//testing/test.gni")
 import("//third_party/icu/config.gni")
@@ skipping 96 matching lines @@
     ":resource_id_javagen",
     "//chrome:page_info_connection_type_javagen",
     "//chrome:content_setting_javagen",
     "//chrome:content_settings_type_javagen",
   ]
 
   DEPRECATED_java_in_dir = "java/src"
 }
 
 # GYP: //chrome/chrome_browser.gypi:activity_type_ids_java
-# GYP: //chrome/chrome_browser.gypi:add_web_contents_result_java
 # GYP: //chrome/chrome_browser.gypi:profile_account_management_metrics_java
 # GYP: //chrome/chrome_browser.gypi:profile_sync_service_model_type_selection_java
 # GYP: //chrome/chrome_browser.gypi:tab_load_status_java
 # GYP: //chrome/chrome_browser.gypi:toolbar_model_security_levels_java
 java_cpp_enum("chrome_android_java_enums_srcjar") {
   sources = [
     "//chrome/browser/android/activity_type_ids.h",
-    "//chrome/browser/android/chrome_web_contents_delegate_android.h",
     "//chrome/browser/android/tab_android.h",
     "//chrome/browser/profiles/profile_metrics.h",
     "//chrome/browser/sync/profile_sync_service_android.cc",
     "//chrome/browser/ui/toolbar/toolbar_model.h",
   ]
   outputs = [
     "org/chromium/chrome/browser/ActivityTypeIds.java",
-    "org/chromium/chrome/browser/AddWebContentsResult.java",
     "org/chromium/chrome/browser/TabLoadStatus.java",
     "org/chromium/chrome/browser/profiles/ProfileAccountManagementMetrics.java",
     "org/chromium/chrome/browser/sync/ModelTypeSelection.java",
     "org/chromium/chrome/browser/ui/toolbar/ToolbarModelSecurityLevel.java",
   ]
 }
 
 # GYP: //chrome/chrome_browser.gypi:app_banner_metrics_ids_java
 java_cpp_template("app_banner_metrics_ids_javagen") {
   sources = [
@@ skipping 351 matching lines @@
   ]
 }
 
 zip("chrome_version_srcjar") {
   inputs = [
     chrome_version_java_file,
   ]
   output = "$target_gen_dir/$target_name.srcjar"
   base_dir = chrome_version_java_dir
 }