Move core/scripts to build/scripts so that platform can use them.

Source/core/core.gypi

Index: Source/core/core.gypi
diff --git a/Source/core/core.gypi b/Source/core/core.gypi
index 0d63c638c08367ce7c752c663b745715204c7920..d8ea848b075c02d92287510a13427a1b6a9548ba 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -3627,19 +3627,19 @@
             # dependency for whole jinja2 package
             '<(DEPTH)/third_party/jinja2/__init__.py',
             '<(DEPTH)/third_party/markupsafe/__init__.py',  # jinja2 dep
-            'scripts/hasher.py',
-            'scripts/in_file.py',
-            'scripts/in_generator.py',
-            'scripts/license.py',
-            'scripts/name_macros.py',
-            'scripts/template_expander.py',
-            'scripts/templates/macros.tmpl',
+            '../build/scripts/hasher.py',
+            '../build/scripts/in_file.py',
+            '../build/scripts/in_generator.py',
+            '../build/scripts/license.py',
+            '../build/scripts/name_macros.py',
+            '../build/scripts/template_expander.py',
+            '../build/scripts/templates/macros.tmpl',
         ],
         'make_names_files': [
             '<@(scripts_for_in_files)',
-            'scripts/make_names.py',
-            'scripts/templates/MakeNames.cpp.tmpl',
-            'scripts/templates/MakeNames.h.tmpl',
+            '../build/scripts/make_names.py',
+            '../build/scripts/templates/MakeNames.cpp.tmpl',
+            '../build/scripts/templates/MakeNames.h.tmpl',
         ],
         'conditions': [
             ['OS=="win"', {