Build the Editor from GYP/build.py.

dart/dart.gyp

Index: dart/dart.gyp
diff --git a/dart/dart.gyp b/dart/dart.gyp
index d206fccbe4e269668a628029d0d2accdb1ef6959..a33d4e8656baeb96eeb0504e20399542a0ab8ece 100644
--- a/dart/dart.gyp
+++ b/dart/dart.gyp
@@ -114,6 +114,41 @@
       ],
     },
     {
+      'target_name': 'editor',
+      'type': 'none',
+      'dependencies': [
+        'editor/build/generated/editor_deps.gyp:editor_deps',
+
+        # This dependency on create_sdk does not mean that the Editor
+        # is rebuilt if the SDK is. It only means that when you build
+        # the Editor, you should also build the SDK. If we wanted to
+        # make sure that the editor is rebuilt when the SDK is, we
+        # should list a *file* in PRODUCT_DIR which the action below
+        # uses as input.

[ricow1, 2013/01/31 14:42:11]

Should we state here the reason why we don't want to do that? i..e, maybe add:
This would, however, make us rebuild the editor whenever any dart2js/vm/etc
changed (for which there is no reason, as long as the editor did not change
recompiling it will not change how it uses dart2js or other tools)

[ahe, 2013/02/04 11:12:05]

Done.

+        'create_sdk',
+      ],
+      'actions': [
+        {
+          'action_name': 'create_editor_py',
+          'inputs': [
+            'tools/create_editor.py',
+            '<(SHARED_INTERMEDIATE_DIR)/editor_deps/editor.stamp',
+            '<!@(["python", "tools/list_files.py", "", "editor/tools/features/com.google.dart.tools.deploy.feature_releng"])',
+          ],
+          'outputs': [
+            '<(PRODUCT_DIR)/editor/VERSION',
+          ],
+          'action': [
+            'python',
+            'tools/create_editor.py',
+            '--out', '<(PRODUCT_DIR)/editor',
+            '--build', '<(INTERMEDIATE_DIR)',
+          ],
+          'message': 'Creating editor.',
+        },
+      ],
+    },
+    {
       'target_name': 'samples',
       'type': 'none',
       'dependencies': [