This CL contains all of the changes for splitting off all of the native

tools/dom/src/blink_native_DOMImplementation.dart

Index: tools/dom/src/blink_native_DOMImplementation.dart
diff --git a/tools/dom/src/blink_native_DOMImplementation.dart b/tools/dom/src/blink_native_DOMImplementation.dart
new file mode 100644
index 0000000000000000000000000000000000000000..752f06891706c253a5ef8e1dc23895e0ca9ce220
--- /dev/null
+++ b/tools/dom/src/blink_native_DOMImplementation.dart
@@ -0,0 +1,58 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+part of blink;
+
+// _Utils native entry points
+Native_Utils_window() native "Utils_window";
+
+Native_Utils_forwardingPrint(message) native "Utils_forwardingPrint";
+
+Native_Utils_spawnDomUri(uri) native "Utils_spawnDomUri";
+
+Native_Utils_register(document, tag, customType, extendsTagName) native "Utils_register";
+
+Native_Utils_createElement(document, tagName) native "Utils_createElement";
+
+Native_Utils_initializeCustomElement(element) native "Utils_initializeCustomElement";
+
+Native_Utils_changeElementWrapper(element, type) native "Utils_changeElementWrapper";
+
+// _DOMWindowCrossFrame native entry points
+Native_DOMWindowCrossFrame_get_history(_DOMWindowCrossFrame) native "WindowCrossFrame_history_Getter";
+
+Native_DOMWindowCrossFrame_get_location(_DOMWindowCrossFrame) native "WindowCrossFrame_location_Getter";
+
+Native_DOMWindowCrossFrame_get_closed(_DOMWindowCrossFrame) native "WindowCrossFrame_closed_Getter";
+
+Native_DOMWindowCrossFrame_get_opener(_DOMWindowCrossFrame) native "WindowCrossFrame_opener_Getter";
+
+Native_DOMWindowCrossFrame_get_parent(_DOMWindowCrossFrame) native "WindowCrossFrame_parent_Getter";
+
+Native_DOMWindowCrossFrame_get_top(_DOMWindowCrossFrame) native "WindowCrossFrame_top_Getter";
+
+Native_DOMWindowCrossFrame_close(_DOMWindowCrossFrame) native "WindowCrossFrame_close_Callback";
+
+Native_DOMWindowCrossFrame_postMessage(_DOMWindowCrossFrame, message, targetOrigin, [messagePorts]) native "WindowCrossFrame_postMessage_Callback";
+
+// _HistoryCrossFrame native entry points
+Native_HistoryCrossFrame_back(_HistoryCrossFrame) native "HistoryCrossFrame_back_Callback";
+
+Native_HistoryCrossFrame_forward(_HistoryCrossFrame) native "HistoryCrossFrame_forward_Callback";
+
+Native_HistoryCrossFrame_go(_HistoryCrossFrame, distance) native "HistoryCrossFrame_go_Callback";
+
+// _LocationCrossFrame native entry points
+Native_LocationCrossFrame_set_href(_LocationCrossFrame, h) native "LocationCrossFrame_href_Setter";
+
+// _DOMStringMap native entry  points
+Native_DOMStringMap_containsKey(_DOMStringMap, key) native "DOMStringMap_containsKey_Callback";
+
+Native_DOMStringMap_item(_DOMStringMap, key) native "DOMStringMap_item_Callback";
+
+Native_DOMStringMap_setItem(_DOMStringMap, key, value) native "DOMStringMap_setItem_Callback";
+
+Native_DOMStringMap_remove(_DOMStringMap, key) native "DOMStringMap_remove_Callback";
+
+Native_DOMStringMap_get_keys(_DOMStringMap) native "DOMStringMap_getKeys_Callback";