Move the generation and inclusion of RuntimeEnabledFeatures to blink_platform.dll since many pieces…

Source/core/core_derived_sources.gyp

Index: Source/core/core_derived_sources.gyp
diff --git a/Source/core/core_derived_sources.gyp b/Source/core/core_derived_sources.gyp
index c5ca4518de3659afab0f2363c118c5800a222581..e1d72e87cc7664c2fac2381c842e2062632bfe07 100644
--- a/Source/core/core_derived_sources.gyp
+++ b/Source/core/core_derived_sources.gyp
@@ -33,6 +33,7 @@
     'core.gypi',
     '../bindings/bindings.gypi',
     '../build/features.gypi',
+    '../build/scripts.gypi',
   ],
 
   'targets': [
@@ -66,7 +67,7 @@
           'inputs': [
             '<@(scripts_for_in_files)',
             '../build/scripts/make_internal_runtime_flags.py',
-            'page/RuntimeEnabledFeatures.in',
+            '../platform/RuntimeEnabledFeatures.in',
             '../build/scripts/templates/InternalRuntimeFlags.h.tmpl',
             '../build/scripts/templates/InternalRuntimeFlags.idl.tmpl',
           ],
@@ -77,7 +78,7 @@
           'action': [
             'python',
             '../build/scripts/make_internal_runtime_flags.py',
-            'page/RuntimeEnabledFeatures.in',
+            '../platform/RuntimeEnabledFeatures.in',
             '--output_dir',
             '<(SHARED_INTERMEDIATE_DIR)/blink',
           ],
@@ -170,27 +171,6 @@
           ],
         },
         {
-          'action_name': 'RuntimeEnabledFeatures',
-          'inputs': [
-            '<@(scripts_for_in_files)',
-            '../build/scripts/make_runtime_features.py',
-            'page/RuntimeEnabledFeatures.in',
-            '../build/scripts/templates/RuntimeEnabledFeatures.cpp.tmpl',
-            '../build/scripts/templates/RuntimeEnabledFeatures.h.tmpl',
-          ],
-          'outputs': [
-            '<(SHARED_INTERMEDIATE_DIR)/blink/RuntimeEnabledFeatures.cpp',
-            '<(SHARED_INTERMEDIATE_DIR)/blink/RuntimeEnabledFeatures.h',
-          ],
-          'action': [
-            'python',
-            '../build/scripts/make_runtime_features.py',
-            'page/RuntimeEnabledFeatures.in',
-            '--output_dir',
-            '<(SHARED_INTERMEDIATE_DIR)/blink',
-          ],
-        },
-        {
           'action_name': 'CSSPropertyNames',
           'variables': {
             'in_files': [