Add constants and primitive type readonly attributes to Python IDL compiler

Source/core/core.gypi

Index: Source/core/core.gypi
diff --git a/Source/core/core.gypi b/Source/core/core.gypi
index a7637d67afcce62576deee3dfe2aaa9fd20ac442..800267ffb19acf05011532b0a00229679b3dbcd0 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -244,7 +244,6 @@
             'page/History.idl',
             'page/ImageBitmap.idl',
             'page/Location.idl',
-            'page/MemoryInfo.idl',
             'page/Navigator.idl',
             'page/NavigatorID.idl',
             'page/NavigatorOnLine.idl',
@@ -253,7 +252,6 @@
             'page/PerformanceEntry.idl',
             'page/PerformanceMark.idl',
             'page/PerformanceMeasure.idl',
-            'page/PerformanceNavigation.idl',
             'page/PerformanceResourceTiming.idl',
             'page/PerformanceTiming.idl',
             'page/Screen.idl',
@@ -312,6 +310,8 @@
             'html/canvas/WebGLTexture.idl',
             'html/canvas/WebGLUniformLocation.idl',
             'html/canvas/WebGLVertexArrayObjectOES.idl',
+            'page/MemoryInfo.idl',
+            'page/PerformanceNavigation.idl',
             'page/WindowBase64.idl',
             'page/WindowPagePopup.idl',
             'page/WindowTimers.idl',
@@ -3698,12 +3698,12 @@
           'testing/InternalSettings.idl',
           'testing/LayerRect.idl',
           'testing/LayerRectList.idl',
-          'testing/MallocStatistics.idl',
           'testing/TypeConversions.idl',
           '<(SHARED_INTERMEDIATE_DIR)/blink/InternalSettingsGenerated.idl',
           '<(SHARED_INTERMEDIATE_DIR)/blink/InternalRuntimeFlags.idl',
         ],
         'python_webcore_test_support_idl_files': [
+          'testing/MallocStatistics.idl',
         ],
         'webcore_test_support_files': [
             'testing/v8/WebCoreTestSupport.cpp',