[ABANDONED] Implement Promises.

Source/core/core_derived_sources.gyp

Index: Source/core/core_derived_sources.gyp
diff --git a/Source/core/core_derived_sources.gyp b/Source/core/core_derived_sources.gyp
index a947a250ef49bfd9523f04ca918955654e4a5101..e0ecbf13b729a3e36f34878de582200490830350 100644
--- a/Source/core/core_derived_sources.gyp
+++ b/Source/core/core_derived_sources.gyp
@@ -628,6 +628,42 @@
             '<@(_inputs)',
           ],
         },
+        {
+          'action_name': 'generatePromiseCustomScript',
+          'inputs': [
+            'dom/Promise.js',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/PromiseCustomScript.h',
+          ],
+          'msvs_cygwin_shell': 0,
+          'action': [
+            '<(perl_exe)',
+            'inspector/xxd.pl',
+            'Promise_js',
+            '<@(_inputs)',
+            '<@(_outputs)'
+          ],
+          'message': 'Generating PromiseCustomScript.h from Promise.js',
+        },
+        {
+          'action_name': 'generatePromiseResolverCustomScript',
+          'inputs': [
+            'dom/PromiseResolver.js',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/webkit/PromiseResolverCustomScript.h',
+          ],
+          'msvs_cygwin_shell': 0,
+          'action': [
+            '<(perl_exe)',
+            'inspector/xxd.pl',
+            'PromiseResolver_js',
+            '<@(_inputs)',
+            '<@(_outputs)'
+          ],
+          'message': 'Generating PromiseResolverCustomScript.h from PromiseResolver.js',
+        },
       ],
       'rules': [
         {