Stop compiling a bunch of unused renderer extensions code when extensions are disabled.

chrome/chrome_renderer.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': {
     'chrome_renderer_sources': [
       'renderer/benchmarking_extension.cc',
       'renderer/benchmarking_extension.h',
-      'renderer/extensions/app_bindings.cc',
-      'renderer/extensions/app_bindings.h',
-      'renderer/extensions/automation_internal_custom_bindings.cc',
-      'renderer/extensions/automation_internal_custom_bindings.h',
       'renderer/extensions/chrome_extension_helper.cc',
       'renderer/extensions/chrome_extension_helper.h',
       'renderer/extensions/chrome_extensions_dispatcher_delegate.cc',
       'renderer/extensions/chrome_extensions_dispatcher_delegate.h',
       'renderer/extensions/chrome_extensions_renderer_client.cc',
       'renderer/extensions/chrome_extensions_renderer_client.h',
       'renderer/extensions/chrome_v8_context.cc',
       'renderer/extensions/chrome_v8_context.h',
-      'renderer/extensions/enterprise_platform_keys_natives.cc',
-      'renderer/extensions/enterprise_platform_keys_natives.h',
       'renderer/extensions/extension_frame_helper.cc',
       'renderer/extensions/extension_frame_helper.h',
       'renderer/extensions/extension_localization_peer.cc',
       'renderer/extensions/extension_localization_peer.h',
-      'renderer/extensions/file_browser_private_custom_bindings.cc',
-      'renderer/extensions/file_browser_private_custom_bindings.h',
-      'renderer/extensions/media_galleries_custom_bindings.cc',
-      'renderer/extensions/media_galleries_custom_bindings.h',
-      'renderer/extensions/notifications_native_handler.cc',
-      'renderer/extensions/notifications_native_handler.h',
-      'renderer/extensions/page_capture_custom_bindings.cc',
-      'renderer/extensions/page_capture_custom_bindings.h',
       'renderer/extensions/renderer_permissions_policy_delegate.cc',
       'renderer/extensions/renderer_permissions_policy_delegate.h',
       'renderer/extensions/resource_request_policy.cc',
       'renderer/extensions/resource_request_policy.h',
       'renderer/extensions/tab_finder.cc',
       'renderer/extensions/tab_finder.h',
-      'renderer/extensions/webstore_bindings.cc',
-      'renderer/extensions/webstore_bindings.h',
       'renderer/isolated_world_ids.h',
       'renderer/loadtimes_extension_bindings.cc',
       'renderer/loadtimes_extension_bindings.h',
       'renderer/media/cast_rtp_stream.cc',
       'renderer/media/cast_rtp_stream.h',
       'renderer/media/cast_ipc_dispatcher.cc',
       'renderer/media/cast_ipc_dispatcher.h',
       'renderer/media/cast_session.cc',
       'renderer/media/cast_session.h',
       'renderer/media/cast_session_delegate.cc',
@@ skipping 17 matching lines @@
       'renderer/net/prescient_networking_dispatcher.cc',
       'renderer/net/prescient_networking_dispatcher.h',
       'renderer/net/renderer_net_predictor.cc',
       'renderer/net/renderer_net_predictor.h',
       'renderer/net_benchmarking_extension.cc',
       'renderer/net_benchmarking_extension.h',
       'renderer/playback_extension.cc',
       'renderer/playback_extension.h',
       'renderer/principals_extension_bindings.cc',
       'renderer/principals_extension_bindings.h',
-      'renderer/resources/extensions/app_custom_bindings.js',
-      'renderer/resources/extensions/app_view.js',
-      'renderer/resources/extensions/app_window_custom_bindings.js',
-      'renderer/resources/extensions/automation_custom_bindings.js',
-      'renderer/resources/extensions/browser_action_custom_bindings.js',
-      'renderer/resources/extensions/chrome_direct_setting.js',
-      'renderer/resources/extensions/chrome_setting.js',
-      'renderer/resources/extensions/content_setting.js',
-      'renderer/resources/extensions/declarative_content_custom_bindings.js',
-      'renderer/resources/extensions/declarative_webrequest_custom_bindings.js',
-      'renderer/resources/extensions/enterprise_platform_keys_custom_bindings.js',
-      'renderer/resources/extensions/extension_options.js',
-      'renderer/resources/extensions/feedback_private_custom_bindings.js',
-      'renderer/resources/extensions/file_browser_handler_custom_bindings.js',
-      'renderer/resources/extensions/file_browser_private_custom_bindings.js',
-      'renderer/resources/extensions/file_entry_binding_util.js',
-      'renderer/resources/extensions/file_system_custom_bindings.js',
-      'renderer/resources/extensions/file_system_provider_custom_bindings.js',
-      'renderer/resources/extensions/gcm_custom_bindings.js',
-      'renderer/resources/extensions/identity_custom_bindings.js',
-      'renderer/resources/extensions/image_writer_private_custom_bindings.js',
-      'renderer/resources/extensions/input.ime_custom_bindings.js',
-      'renderer/resources/extensions/log_private_custom_bindings.js',
-      'renderer/resources/extensions/notifications_custom_bindings.js',
-      'renderer/resources/extensions/omnibox_custom_bindings.js',
-      'renderer/resources/extensions/page_action_custom_bindings.js',
-      'renderer/resources/extensions/page_actions_custom_bindings.js',
-      'renderer/resources/extensions/page_capture_custom_bindings.js',
-      'renderer/resources/extensions/system_indicator_custom_bindings.js',
-      'renderer/resources/extensions/tts_custom_bindings.js',
-      'renderer/resources/extensions/tts_engine_custom_bindings.js',
-      'renderer/resources/extensions/web_request_custom_bindings.js',
-      'renderer/resources/extensions/web_view.js',
-      'renderer/resources/extensions/web_view_events.js',
-      'renderer/resources/extensions/web_view_experimental.js',
-      'renderer/resources/extensions/web_view_internal_custom_bindings.js',
       'renderer/chrome_content_renderer_client.cc',
       'renderer/chrome_content_renderer_client.h',
       'renderer/chrome_render_frame_observer.cc',
       'renderer/chrome_render_frame_observer.h',
       'renderer/chrome_render_process_observer.cc',
       'renderer/chrome_render_process_observer.h',
       'renderer/chrome_render_view_observer.cc',
       'renderer/chrome_render_view_observer.h',
       'renderer/content_settings_observer.cc',
       'renderer/content_settings_observer.h',
@@ skipping 39 matching lines @@
       'renderer/media/chrome_webrtc_log_message_delegate.cc',
       'renderer/media/chrome_webrtc_log_message_delegate.h',
       'renderer/media/webrtc_logging_message_filter.cc',
       'renderer/media/webrtc_logging_message_filter.h',
     ],
     'chrome_renderer_webrtc_extensions_sources': [
       'renderer/extensions/cast_streaming_native_handler.cc',
       'renderer/extensions/cast_streaming_native_handler.h',
     ],
     'chrome_renderer_extensions_sources': [
+      'renderer/extensions/app_bindings.cc',
+      'renderer/extensions/app_bindings.h',
       'renderer/extensions/app_window_custom_bindings.cc',
       'renderer/extensions/app_window_custom_bindings.h',
+      'renderer/extensions/automation_internal_custom_bindings.cc',
+      'renderer/extensions/automation_internal_custom_bindings.h',
       'renderer/extensions/chrome_extensions_render_frame_observer.cc',
       'renderer/extensions/chrome_extensions_render_frame_observer.h',
       'renderer/extensions/chrome_v8_extension_handler.cc',
       'renderer/extensions/chrome_v8_extension_handler.h',
+      'renderer/extensions/enterprise_platform_keys_natives.cc',
+      'renderer/extensions/enterprise_platform_keys_natives.h',
       'renderer/extensions/file_browser_handler_custom_bindings.cc',
       'renderer/extensions/file_browser_handler_custom_bindings.h',
+      'renderer/extensions/file_browser_private_custom_bindings.cc',
+      'renderer/extensions/file_browser_private_custom_bindings.h',
+      'renderer/extensions/media_galleries_custom_bindings.cc',
+      'renderer/extensions/media_galleries_custom_bindings.h',
+      'renderer/extensions/notifications_native_handler.cc',
+      'renderer/extensions/notifications_native_handler.h',
       'renderer/extensions/page_actions_custom_bindings.cc',
       'renderer/extensions/page_actions_custom_bindings.h',
+      'renderer/extensions/page_capture_custom_bindings.cc',
+      'renderer/extensions/page_capture_custom_bindings.h',
       'renderer/extensions/sync_file_system_custom_bindings.cc',
       'renderer/extensions/sync_file_system_custom_bindings.h',
       'renderer/extensions/tabs_custom_bindings.cc',
       'renderer/extensions/tabs_custom_bindings.h',
+      'renderer/extensions/webstore_bindings.cc',
+      'renderer/extensions/webstore_bindings.h',
+      'renderer/resources/extensions/app_custom_bindings.js',
+      'renderer/resources/extensions/app_view.js',
+      'renderer/resources/extensions/app_window_custom_bindings.js',
+      'renderer/resources/extensions/automation_custom_bindings.js',
+      'renderer/resources/extensions/browser_action_custom_bindings.js',
+      'renderer/resources/extensions/chrome_direct_setting.js',
+      'renderer/resources/extensions/chrome_setting.js',
+      'renderer/resources/extensions/content_setting.js',
+      'renderer/resources/extensions/declarative_content_custom_bindings.js',
+      'renderer/resources/extensions/declarative_webrequest_custom_bindings.js',
+      'renderer/resources/extensions/enterprise_platform_keys_custom_bindings.js',
+      'renderer/resources/extensions/extension_options.js',
+      'renderer/resources/extensions/feedback_private_custom_bindings.js',
+      'renderer/resources/extensions/file_browser_handler_custom_bindings.js',
+      'renderer/resources/extensions/file_browser_private_custom_bindings.js',
+      'renderer/resources/extensions/file_entry_binding_util.js',
+      'renderer/resources/extensions/file_system_custom_bindings.js',
+      'renderer/resources/extensions/file_system_provider_custom_bindings.js',
+      'renderer/resources/extensions/gcm_custom_bindings.js',
+      'renderer/resources/extensions/identity_custom_bindings.js',
+      'renderer/resources/extensions/image_writer_private_custom_bindings.js',
+      'renderer/resources/extensions/input.ime_custom_bindings.js',
+      'renderer/resources/extensions/log_private_custom_bindings.js',
+      'renderer/resources/extensions/notifications_custom_bindings.js',
+      'renderer/resources/extensions/omnibox_custom_bindings.js',
+      'renderer/resources/extensions/page_action_custom_bindings.js',
+      'renderer/resources/extensions/page_actions_custom_bindings.js',
+      'renderer/resources/extensions/page_capture_custom_bindings.js',
+      'renderer/resources/extensions/system_indicator_custom_bindings.js',
+      'renderer/resources/extensions/tts_custom_bindings.js',
+      'renderer/resources/extensions/tts_engine_custom_bindings.js',
+      'renderer/resources/extensions/web_request_custom_bindings.js',
+      'renderer/resources/extensions/web_view.js',
+      'renderer/resources/extensions/web_view_events.js',
+      'renderer/resources/extensions/web_view_experimental.js',
+      'renderer/resources/extensions/web_view_internal_custom_bindings.js',
     ],
     'chrome_renderer_non_android_sources': [
       'renderer/prerender/prerender_media_load_deferrer.cc',
       'renderer/prerender/prerender_media_load_deferrer.h',
     ],
     'chrome_renderer_plugin_sources': [
       'renderer/pepper/chrome_renderer_pepper_host_factory.cc',
       'renderer/pepper/chrome_renderer_pepper_host_factory.h',
       'renderer/pepper/pepper_flash_drm_renderer_host.cc',
       'renderer/pepper/pepper_flash_drm_renderer_host.h',
@@ skipping 227 matching lines @@
         }],
         ['enable_printing!=0', {
           'dependencies': [
             '../printing/printing.gyp:printing',
           ],
         }],
       ],
     },
   ],
 }