Add --modules=node support

- Force import order in all sdk files + simplify module builders
- Stub a node_test.sh with hello world + DeltaBlue (to be expanded to language tests in a followup change)
- Use global_ from dart:_runtime in html lib
- Better export for symbols that node chokes upon: throw, const, void, implements, export... (define as throw_ locally, with proper local resolution, then export as throw).
- Cleanup node module builder

BUG=
[email protected]

Review URL: https://codereview.chromium.org/1633003002 .

Author: Olivier Chafik

.travis.yml

@@ -14,6 +14,7 @@ before_install:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
 before_script:
+  - nvm install 5.5.0
   - npm install
 script:
   - ./tool/presubmit.sh && ./tool/coverage.sh

lib/runtime/dart/_debugger.js

@@ -13,14 +13,14 @@ dart_library.library('dart/_debugger', null, /* Imports */[
     },
     set _devtoolsFormatter(_) {}
   });
-  function typeof$(object) {
+  function _typeof(object) {
     return typeof object;
   }
-  dart.fn(typeof$, core.String, [dart.dynamic]);
-  function instanceof$(object, clazz) {
+  dart.fn(_typeof, core.String, [dart.dynamic]);
+  function _instanceof(object, clazz) {
     return object instanceof clazz;
   }
-  dart.fn(instanceof$, core.bool, [dart.dynamic, dart.dynamic]);
+  dart.fn(_instanceof, core.bool, [dart.dynamic, dart.dynamic]);
   function getOwnPropertyNames(object) {
     return dart.as(dart.list(Object.getOwnPropertyNames(object), core.String), core.List$(core.String));
   }
@@ -45,14 +45,14 @@ dart_library.library('dart/_debugger', null, /* Imports */[
     names: ['getProperty', 'setProperty']
   });
   function isRegularDartObject(object) {
-    if (typeof$(object) == 'function') return false;
-    return instanceof$(object, core.Object);
+    if (_typeof(object) == 'function') return false;
+    return _instanceof(object, core.Object);
   }
   dart.fn(isRegularDartObject, core.bool, [dart.dynamic]);
   function getObjectTypeName(object) {
     let realRuntimeType = dart.realRuntimeType(object);
     if (realRuntimeType == null) {
-      if (typeof$(object) == 'function') {
+      if (_typeof(object) == 'function') {
         return '[[Raw JavaScript Function]]';
       }
       return '<Error getting type name>';
@@ -217,7 +217,7 @@ dart_library.library('dart/_debugger', null, /* Imports */[
         let nameSpan = new JsonMLElement('span');
         nameSpan.createTextChild(child.name != null ? dart.notNull(child.name) + ': ' : '');
         nameSpan.setStyle('color: rgb(136, 19, 145);');
-        if (typeof$(child.value) == 'object' || typeof$(child.value) == 'function') {
+        if (_typeof(child.value) == 'object' || _typeof(child.value) == 'function') {
           nameSpan.addStyle("padding-left: 13px;");
           li.appendChild(nameSpan);
           let objectTag = li.createObjectTag(child.value);
@@ -354,7 +354,7 @@ dart_library.library('dart/_debugger', null, /* Imports */[
   });
   class FunctionFormatter extends Formatter {
     accept(object) {
-      if (typeof$(object) != 'function') return false;
+      if (_typeof(object) != 'function') return false;
       return dart.realRuntimeType(object) != null;
     }
     hasChildren(object) {
@@ -537,8 +537,6 @@ dart_library.library('dart/_debugger', null, /* Imports */[
   dart.fn(registerDevtoolsFormatter);
   // Exports:
   exports.skipDartConfig = skipDartConfig;
-  exports.typeof = typeof$;
-  exports.instanceof = instanceof$;
   exports.getOwnPropertyNames = getOwnPropertyNames;
   exports.getOwnPropertySymbols = getOwnPropertySymbols;
   exports.JSNative = JSNative;

lib/runtime/dart/_js_mirrors.js

@@ -29,7 +29,6 @@ dart_library.library('dart/_js_mirrors', null, /* Imports */[
   }
   dart.fn(reflectType, mirrors.TypeMirror, [core.Type]);
   const _dart = dart;
-  const _metadata = _dart.metadata;
   function _dload(obj, name) {
     return _dart.dload(obj, name);
   }
@@ -96,23 +95,23 @@ dart_library.library('dart/_js_mirrors', null, /* Imports */[
       [_toJsMap]: [dart.dynamic, [core.Map$(core.Symbol, dart.dynamic)]]
     })
   });
-  const _metadata$ = Symbol('_metadata');
+  const _metadata = Symbol('_metadata');
   const _declarations = Symbol('_declarations');
   const _cls = Symbol('_cls');
   class JsClassMirror extends core.Object {
     get metadata() {
-      return this[_metadata$];
+      return this[_metadata];
     }
     get declarations() {
       return this[_declarations];
     }
     _(cls) {
       this[_cls] = cls;
       this.simpleName = core.Symbol.new(cls.name);
-      this[_metadata$] = null;
+      this[_metadata] = null;
       this[_declarations] = null;
       let fn = this[_cls][dart.metadata];
-      this[_metadata$] = fn == null ? dart.list([], mirrors.InstanceMirror) : core.List$(mirrors.InstanceMirror).from(dart.as(dart.dsend(dart.dcall(fn), 'map', dart.fn(i => new JsInstanceMirror._(i), JsInstanceMirror, [dart.dynamic])), core.Iterable));
+      this[_metadata] = fn == null ? dart.list([], mirrors.InstanceMirror) : core.List$(mirrors.InstanceMirror).from(dart.as(dart.dsend(dart.dcall(fn), 'map', dart.fn(i => new JsInstanceMirror._(i), JsInstanceMirror, [dart.dynamic])), core.Iterable));
       this[_declarations] = core.Map$(core.Symbol, mirrors.MethodMirror).new();
       this[_declarations].set(this.simpleName, new JsMethodMirror._(this, this[_cls]));
     }