Changing the grd files in chrome.gyp to be compiled to seprate directories to...

webkit/webkit.gyp

 # Copyright (c) 2009 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.
 
 {
   'includes': [
     '../third_party/WebKit/WebCore/WebCore.gypi',
   ],
   'variables': {
     # TODO: remove this helper when we have loops in GYP
-    'apply_locales_cmd': ['python', '../chrome/tools/build/apply_locales.py',],
+    'apply_locales_cmd': ['python', '../chrome/tools/build/apply_locales.py'],
+    'grit_info_cmd': ['python', '../tools/grit/grit_info.py'],
+    'grit_cmd': ['python', '../tools/grit/grit.py'],
+    'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/webkit',
   },
   'targets': [
     {
       # Currently, builders assume webkit.sln builds test_shell on windows.
       # We should change this, but for now allows trybot runs.
       # for now.
       'target_name': 'pull_in_test_shell',
       'type': 'none',
       'conditions': [
         ['OS=="win"', {
@@ skipping 206 matching lines @@
           ],
         }, { # else: OS!="win"
           'sources/': [['exclude', '/win/']],
         }],
       ],
     },
     {
       'target_name': 'webkit_resources',
       'type': 'none',
       'msvs_guid': '0B469837-3D46-484A-AFB3-C5A6C68730B9',
-      'variables': {
-        'grit_path': '../tools/grit/grit.py',
-        'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/webkit',
-      },
       'actions': [
         {
           'action_name': 'webkit_resources',
           'variables': {
             'input_path': 'glue/webkit_resources.grd',
           },
           'inputs': [
-            '<(input_path)',
+            '<!@(<(grit_info_cmd) --inputs <(input_path))',
           ],
           'outputs': [
-            '<(grit_out_dir)/grit/webkit_resources.h',
-            '<(grit_out_dir)/webkit_resources.pak',
-            '<(grit_out_dir)/webkit_resources.rc',
+            '<!@(<(grit_info_cmd) --outputs \'<(grit_out_dir)/webkit_resources\' <(input_path))',
           ],
-          'action': ['python', '<(grit_path)', '-i', '<(input_path)', 'build', '-o', '<(grit_out_dir)'],
+          'action': ['<@(grit_cmd)', '-i', '<(input_path)', 'build',
+                     '-o', '<(grit_out_dir)/webkit_resources'],
           'message': 'Generating resources from <(input_path)',
         },
       ],
       'direct_dependent_settings': {
         'include_dirs': [
-          '<(SHARED_INTERMEDIATE_DIR)/webkit',
+          '<(grit_out_dir)/webkit_resources',
         ],
       },
       'conditions': [
         ['OS=="win"', {
           'dependencies': ['../build/win/system.gyp:cygwin'],
         }],
       ],
     },
     {
       'target_name': 'webkit_strings',
       'type': 'none',
       'msvs_guid': '60B43839-95E6-4526-A661-209F16335E0E',
-      'variables': {
-        'grit_path': '../tools/grit/grit.py',
-        'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/webkit',
-      },
       'actions': [
         {
           'action_name': 'webkit_strings',
           'variables': {
             'input_path': 'glue/webkit_strings.grd',
           },
           'inputs': [
-            '<(input_path)',
+            '<!@(<(grit_info_cmd) --inputs <(input_path))',
           ],
           'outputs': [
-            '<(grit_out_dir)/grit/webkit_strings.h',
-            # TODO: remove this helper when we have loops in GYP
-            '>!@(<(apply_locales_cmd) \'<(grit_out_dir)/webkit_strings_ZZLOCALE.pak\' <(locales))',
+            '<!@(<(grit_info_cmd) --outputs \'<(grit_out_dir)/webkit_strings\' <(input_path))',
           ],
-          'action': ['python', '<(grit_path)', '-i', '<(input_path)', 'build', '-o', '<(grit_out_dir)'],
+          'action': ['<@(grit_cmd)', '-i', '<(input_path)', 'build',
+                     '-o', '<(grit_out_dir)/webkit_strings'],
           'message': 'Generating resources from <(input_path)',
         },
       ],
       'direct_dependent_settings': {
         'include_dirs': [
-          '<(SHARED_INTERMEDIATE_DIR)/webkit',
+          '<(grit_out_dir)/webkit_strings',
         ],
       },
       'conditions': [
         ['OS=="win"', {
           'dependencies': ['../build/win/system.gyp:cygwin'],
         }],
       ],
     },
     {
       'target_name': 'appcache',
@@ skipping 340 matching lines @@
           'files': [
 
             '<@(webinspector_image_files)',
 
           ],
         },
       ],
     },
   ], # targets
 }