Get rid of [Callback] extended attribute for parameters in IDL files

Source/bindings/derived_sources.gyp

Index: Source/bindings/derived_sources.gyp
diff --git a/Source/bindings/derived_sources.gyp b/Source/bindings/derived_sources.gyp
index 4b7a2dcc0509497b407edf2721c8cf71aa4f5f02..bcb3c9ca81a8fa986d42a9976e2e59976fe79777 100644
--- a/Source/bindings/derived_sources.gyp
+++ b/Source/bindings/derived_sources.gyp
@@ -170,27 +170,11 @@
           '<(SHARED_INTERMEDIATE_DIR)/webkit/bindings/V8<(RULE_INPUT_ROOT).h',
         ],
         'variables': {
+          # IDL include paths. The generator will search recursively for IDL
+          # files under these locations.
           'generator_include_dirs': [
-            '--include', '../modules/filesystem',
-            '--include', '../modules/indexeddb',
-            '--include', '../modules/mediasource',
-            '--include', '../modules/mediastream',
-            '--include', '../modules/navigatorcontentutils',
-            '--include', '../modules/notifications',
-            '--include', '../modules/webaudio',
-            '--include', '../modules/webdatabase',
-            '--include', '../modules/webmidi',
-            '--include', '../core/css',
-            '--include', '../core/dom',
-            '--include', '../core/fileapi',
-            '--include', '../core/html',
-            '--include', '../core/page',
-            '--include', '../core/plugins',
-            '--include', '../core/storage',
-            '--include', '../core/svg',
-            '--include', '../core/testing',
-            '--include', '../core/workers',
-            '--include', '../core/xml',
+            '--include', '../modules',
+            '--include', '../core',
             '--include', '<(SHARED_INTERMEDIATE_DIR)/webkit',
           ],
         },