*** DO NOT LAND *** Remove regions support, keeping a bare minimum to support "region-based"...

Source/devtools/devtools.gypi

Index: Source/devtools/devtools.gypi
diff --git a/Source/devtools/devtools.gypi b/Source/devtools/devtools.gypi
index 24cd5591ae4f9b8e81c7e8113f1ecffda1d42ba9..b0e0813e06d9464f5833368e368c25e0193e3eff 100644
--- a/Source/devtools/devtools.gypi
+++ b/Source/devtools/devtools.gypi
@@ -204,7 +204,6 @@
             'front_end/buildSystemOnly.js',
             'front_end/cm/cmdevtools.css',
             'front_end/cm/codemirror.css',
-            'front_end/cssNamedFlows.css',
             'front_end/dataGrid.css',
             'front_end/elementsPanel.css',
             'front_end/filter.css',
@@ -235,8 +234,6 @@
             'front_end/layersPanel.css',
         ],
         'devtools_elements_js_files': [
-            'front_end/CSSNamedFlowCollectionsView.js',
-            'front_end/CSSNamedFlowView.js',
             'front_end/DOMSyntaxHighlighter.js',
             'front_end/ElementsTreeOutline.js',
             'front_end/ElementsPanel.js',
@@ -393,7 +390,6 @@
             'front_end/Images/breakpointConditional_2x.png',
             'front_end/Images/checker.png',
             'front_end/Images/cookie.png',
-            'front_end/Images/namedFlowOverflow.png',
             'front_end/Images/database.png',
             'front_end/Images/databaseTable.png',
             'front_end/Images/deleteIcon.png',
@@ -424,9 +420,6 @@
             'front_end/Images/profileIcon.png',
             'front_end/Images/profileSmallIcon.png',
             'front_end/Images/radioDot.png',
-            'front_end/Images/regionEmpty.png',
-            'front_end/Images/regionFit.png',
-            'front_end/Images/regionOverset.png',
             'front_end/Images/resourceCSSIcon.png',
             'front_end/Images/resourceDocumentIcon.png',
             'front_end/Images/resourceDocumentIconSmall.png',