Make TabBase non abstract

chrome/chrome_android.gypi

 # 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.
 {
   'variables': {
     'chromium_code': 1,
     'package_name': 'chromium_testshell',
   },
   'includes': [
     'chrome_android_paks.gypi', # Included for the list of pak resources.
   ],
   'targets': [
     {
       'target_name': 'libchromiumtestshell',
       'type': 'shared_library',
       'dependencies': [
         '../base/base.gyp:base',
         'chrome_android_core',
-        'chromium_testshell_jni_headers',
         'chrome.gyp:browser_ui',
         '../content/content.gyp:content_app_browser',
       ],
       'sources': [
         # This file must always be included in the shared_library step to ensure
         # JNI_OnLoad is exported.
         'app/android/chrome_jni_onload.cc',
         'android/testshell/chrome_main_delegate_testshell_android.cc',
         'android/testshell/chrome_main_delegate_testshell_android.h',
         "android/testshell/testshell_google_location_settings_helper.cc",
         "android/testshell/testshell_google_location_settings_helper.h",
-        'android/testshell/testshell_tab.cc',
-        'android/testshell/testshell_tab.h',
       ],
       'include_dirs': [
         '../skia/config',
       ],
       'conditions': [
         [ 'order_profiling!=0', {
           'conditions': [
             [ 'OS=="android"', {
               'dependencies': [ '../tools/cygprofile/cygprofile.gyp:cygprofile', ],
             }],
@@ skipping 22 matching lines @@
         'asset_location': '<(PRODUCT_DIR)/../assets/<(package_name)',
         'native_lib_target': 'libchromiumtestshell',
         'native_lib_version_name': '<(version_full)',
         'additional_input_paths': [
           '<@(chrome_android_pak_output_resources)',
         ],
       },
       'includes': [ '../build/java_apk.gypi', ],
     },
     {
-      'target_name': 'chromium_testshell_jni_headers',
-      'type': 'none',
-      'sources': [
-        'android/testshell/java/src/org/chromium/chrome/testshell/TestShellTab.java',
-      ],
-      'variables': {
-        'jni_gen_package': 'chromium_testshell',
-        'jni_generator_ptr_type': 'long',
-      },
-      'includes': [ '../build/jni_generator.gypi' ],
-    },
-    {
       # chromium_testshell creates a .jar as a side effect. Any java targets
       # that need that .jar in their classpath should depend on this target,
       # chromium_testshell_java. Dependents of chromium_testshell receive its
       # jar path in the variable 'apk_output_jar_path'.
       'target_name': 'chromium_testshell_java',
       'type': 'none',
       'dependencies': [
         'chromium_testshell',
       ],
       'includes': [ '../build/apk_fake_jar.gypi' ],
@@ skipping 40 matching lines @@
         {
           'destination': '<(chrome_android_pak_output_folder)',
           'files': [
             '<@(chrome_android_pak_input_resources)',
           ],
         }
       ],
     },
   ],
 }