IDL build: factor out global objects action into a GYP template

Source/core/core_generated.gyp

 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
 {
   'includes': [
     'core.gypi',
-    '../bindings/bindings.gypi',
+    '../bindings/scripts/scripts.gypi',

[Nils Barth (inactive), 2014/06/06 05:28:43]

Analogous to the build/scripts/scripts.gypi include
(there's a FIXME below to move from bindings to build)

     '../build/features.gypi',
     '../build/scripts/scripts.gypi',
   ],
 
   'targets': [
     {
       'target_name': 'core_event_interfaces',
       'type': 'none',
       'actions': [
         {
@@ skipping 771 matching lines @@
             '../build/scripts/rule_bison.py',
             '<(RULE_INPUT_PATH)',
             '<(blink_core_output_dir)',
             '<(bison_exe)',
           ],
         },
       ],
     },
   ],
 }