Update gypi in extensions after move and removal of headers.

extensions/extensions.gypi

 # Copyright 2015 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': {
     'extensions_common_constants_sources': [
       'common/constants.cc',
       'common/constants.h',
     ],
@@ skipping 76 matching lines @@
       'common/features/permission_feature.cc',
       'common/features/permission_feature.h',
       'common/features/simple_feature.cc',
       'common/features/simple_feature.h',
       'common/features/simple_feature_filter.cc',
       'common/features/simple_feature_filter.h',
       'common/file_util.cc',
       'common/file_util.h',
       'common/guest_view/guest_view_constants.cc',
       'common/guest_view/guest_view_constants.h',
-      'common/guest_view_messages.h',
+      'common/guest_view/guest_view_messages.h',
       'common/host_id.cc',
       'common/host_id.h',
       'common/image_util.cc',
       'common/image_util.h',
       'common/install_warning.cc',
       'common/install_warning.h',
       'common/manifest.cc',
       'common/manifest.h',
       'common/manifest_constants.cc',
       'common/manifest_constants.h',
@@ skipping 791 matching lines @@
       'renderer/resources/platform_app.js',
       'renderer/resources/runtime_custom_bindings.js',
       'renderer/resources/schema_utils.js',
       'renderer/resources/send_request.js',
       'renderer/resources/set_icon.js',
       'renderer/resources/storage_area.js',
       'renderer/resources/test_custom_bindings.js',
       'renderer/resources/uncaught_exception_handler.js',
       'renderer/resources/unload_event.js',
       'renderer/resources/utils.js',
-      'renderer/resources/extensions/extension_view.js',
-      'renderer/resources/extensions/surface_worker.js',
-      'renderer/resources/extensions/web_view.js',
-      'renderer/resources/extensions/web_view_events.js',
-      'renderer/resources/extensions/web_view_experimental.js',
+      'renderer/resources/guest_view/extension_view.js',
+      'renderer/resources/guest_view/surface_view.js',
+      'renderer/resources/guest_view/web_view.js',
+      'renderer/resources/guest_view/web_view_events.js',
+      'renderer/resources/guest_view/web_view_experimental.js',
       'renderer/resources/web_request_custom_bindings.js',
       'renderer/resources/web_request_internal_custom_bindings.js',
       'renderer/runtime_custom_bindings.cc',
       'renderer/runtime_custom_bindings.h',
       'renderer/safe_builtins.cc',
       'renderer/safe_builtins.h',
       'renderer/scoped_persistent.h',
       'renderer/script_context.cc',
       'renderer/script_context.h',
       'renderer/script_context_set.cc',
@@ skipping 81 matching lines @@
       'test/result_catcher.h',
       'test/test_content_utility_client.cc',
       'test/test_content_utility_client.h',
       'test/test_extensions_client.cc',
       'test/test_extensions_client.h',
       'test/test_permission_message_provider.cc',
       'test/test_permission_message_provider.h',
     ],
   },
 }