Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/core/dart/custom/custom.gypi

Index: sky/engine/bindings-dart/core/dart/custom/custom.gypi
diff --git a/sky/engine/bindings-dart/core/dart/custom/custom.gypi b/sky/engine/bindings-dart/core/dart/custom/custom.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..2020e41f4320e47d3eb451945aa88e8df2a9714c
--- /dev/null
+++ b/sky/engine/bindings-dart/core/dart/custom/custom.gypi
@@ -0,0 +1,65 @@
+# Copyright 2014 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.
+
+{
+    'variables': {
+        'bindings_core_dart_custom_files': [
+            'DartBlobCustom.cpp',
+            'DartCanvasRenderingContext2DCustom.cpp',
+            'DartConsoleBaseCustom.cpp',
+            'DartCSSRuleCustom.cpp',
+            'DartCSSStyleDeclarationCustom.cpp',
+            'DartCSSValueCustom.cpp',
+            'DartCustomEventCustom.cpp',
+            'DartDedicatedWorkerGlobalScopeCustom.cpp',
+            'DartDocumentCustom.cpp',
+            'DartDOMStringMapCustom.cpp',
+            'DartDOMStringMap.h',
+            'DartElementCustom.cpp',
+            'DartErrorEventCustom.cpp',
+            'DartEventCustom.cpp',
+            'DartEventTargetCustom.cpp',
+            'DartFileCustom.cpp',
+            'DartFileReaderCustom.cpp',
+            'DartFormDataCustom.cpp',
+            'DartHistoryCustom.cpp',
+            'DartHTMLAllCollectionCustom.cpp',
+            'DartHTMLCanvasElementCustom.cpp',
+            'DartHTMLCollectionCustom.cpp',
+            'DartHTMLDocumentCustom.cpp',
+            'DartHTMLElementCustom.cpp',
+            'DartHTMLEmbedElementCustom.cpp',
+            'DartHTMLMediaElementCustom.cpp',
+            'DartHTMLObjectElementCustom.cpp',
+            'DartHTMLOptionsCollectionCustom.cpp',
+            'DartImageDataCustom.cpp',
+            'DartInjectedScriptHostCustom.cpp',
+            'DartInspectorFrontendHostCustom.cpp',
+            'DartJavaScriptCallFrameCustom.cpp',
+            'DartLocationCustom.cpp',
+            'DartMessageChannelCustom.cpp',
+            'DartMessageEventCustom.cpp',
+            'DartMessagePortCustom.cpp',
+            'DartMutationObserverCustom.cpp',
+            'DartNodeCustom.cpp',
+            'DartPerformanceEntryCustom.cpp',
+            'DartPopStateEventCustom.cpp',
+            'DartStyleSheetCustom.cpp',
+            'DartSVGElementCustom.cpp',
+            'DartSVGLengthCustom.cpp',
+            'DartSVGNumberCustom.cpp',
+            'DartSVGPathSegCustom.cpp',
+            'DartTextCustom.cpp',
+            'DartTextTrackCueCustom.cpp',
+            'DartTrackEventCustom.cpp',
+            'DartWebGLRenderingContextCustom.cpp',
+            'DartWebKitPointCustom.cpp',
+            'DartWindowCustom.cpp',
+            'DartWorkerCustom.cpp',
+            'DartWorkerGlobalScopeCustom.cpp',
+            'DartXMLHttpRequestCustom.cpp',
+            'DartXSLTProcessorCustom.cpp',
+        ],
+    },
+}