Refactor renderer-side script injection

extensions/extensions.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 504 matching lines @@
         'renderer/module_system.cc',
         'renderer/module_system.h',
         'renderer/native_handler.cc',
         'renderer/native_handler.h',
         'renderer/object_backed_native_handler.cc',
         'renderer/object_backed_native_handler.h',
         'renderer/print_native_handler.cc',
         'renderer/print_native_handler.h',
         'renderer/process_info_native_handler.cc',
         'renderer/process_info_native_handler.h',
+        'renderer/programmatic_script_injection.cc',
+        'renderer/programmatic_script_injection.h',
         'renderer/render_view_observer_natives.cc',
         'renderer/render_view_observer_natives.h',
         'renderer/request_sender.cc',
         'renderer/request_sender.h',
         'renderer/resource_bundle_source_map.cc',
         'renderer/resource_bundle_source_map.h',
         'renderer/resources/app_runtime_custom_bindings.js',
         'renderer/resources/binding.js',
         'renderer/resources/context_menus_custom_bindings.js',
         'renderer/resources/entry_id_manager.js',
@@ skipping 26 matching lines @@
         'renderer/send_request_natives.h',
         'renderer/set_icon_natives.cc',
         'renderer/set_icon_natives.h',
         'renderer/scoped_persistent.h',
         'renderer/script_context.cc',
         'renderer/script_context.h',
         'renderer/script_context_set.cc',
         'renderer/script_context_set.h',
         'renderer/script_injection.cc',
         'renderer/script_injection.h',
+        'renderer/script_injection_manager.cc',
+        'renderer/script_injection_manager.h',
         'renderer/static_v8_external_ascii_string_resource.cc',
         'renderer/static_v8_external_ascii_string_resource.h',
         'renderer/test_features_native_handler.cc',
         'renderer/test_features_native_handler.h',
         'renderer/user_gestures_native_handler.cc',
         'renderer/user_gestures_native_handler.h',
-        'renderer/user_script_scheduler.cc',
-        'renderer/user_script_scheduler.h',
-        'renderer/user_script_slave.cc',
-        'renderer/user_script_slave.h',
+        'renderer/user_script_injection.cc',
+        'renderer/user_script_injection.h',
+        'renderer/user_script_injection_list.cc',
+        'renderer/user_script_injection_list.h',
         'renderer/utils_native_handler.cc',
         'renderer/utils_native_handler.h',
         'renderer/v8_context_native_handler.cc',
         'renderer/v8_context_native_handler.h',
         'renderer/v8_schema_registry.cc',
         'renderer/v8_schema_registry.h',
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
       'conditions': [
@@ skipping 75 matching lines @@
         'test/test_extensions_client.cc',
         'test/test_extensions_client.h',
         'test/test_permission_message_provider.cc',
         'test/test_permission_message_provider.h',
         'test/test_permissions_provider.cc',
         'test/test_permissions_provider.h',
       ],
     },
   ]
 }