chore: remove obsolete files (#10240)

modules/@angular/core/src/profile/wtf_impl.dart

@@ -1,96 +0,0 @@
-/**
- * Tracing for Dart applications.
- *
- * The tracing API hooks up to either [WTF](http://google.github.io/tracing-framework/) or
- * [Dart Observatory](https://www.dartlang.org/tools/observatory/).
- */
-library angular2.src.core.wtf_impl;
-
-typedef dynamic WtfScopeFn([arg0, arg1]);
-
-var context = null;
-var _trace;
-var _events;
-var _createScope;
-var _leaveScope;
-var _beginTimeRange;
-var _endTimeRange;
-final List _arg1 = [null];
-final List _arg2 = [null, null];
-
-bool detectWTF() {
-  if (context != null && context.hasProperty('wtf')) {
-    var wtf = context['wtf'];
-    if (wtf.hasProperty('trace')) {
-      _trace = wtf['trace'];
-      _events = _trace['events'];
-      _createScope = _events['createScope'];
-      _leaveScope = _trace['leaveScope'];
-      _beginTimeRange = _trace['beginTimeRange'];
-      _endTimeRange = _trace['endTimeRange'];
-      return true;
-    }
-  }
-  return false;
-}
-
-int getArgSize(String signature) {
-  int start = signature.indexOf('(') + 1;
-  int end = signature.indexOf(')', start);
-  bool found = false;
-  int count = 0;
-  for (var i = start; i < end; i++) {
-    var ch = signature[i];
-    if (identical(ch, ',')) {
-      found = false;
-    }
-    if (!found) {
-      found = true;
-      count++;
-    }
-  }
-  return count;
-}
-
-dynamic createScope(String signature, [flags]) {
-  _arg2[0] = signature;
-  _arg2[1] = flags;
-  var jsScope = _createScope.apply(_arg2, thisArg: _events);
-  switch (getArgSize(signature)) {
-    case 0:
-      return ([arg0, arg1]) {
-        return jsScope.apply(const []);
-      };
-    case 1:
-      return ([arg0, arg1]) {
-        _arg1[0] = arg0;
-        return jsScope.apply(_arg1);
-      };
-    case 2:
-      return ([arg0, arg1]) {
-        _arg2[0] = arg0;
-        _arg2[1] = arg1;
-        return jsScope.apply(_arg2);
-      };
-    default:
-      throw "Max 2 arguments are supported.";
-  }
-}
-
-void leave(scope, [returnValue]) {
-  _arg2[0] = scope;
-  _arg2[1] = returnValue;
-  _leaveScope.apply(_arg2, thisArg: _trace);
-  return returnValue;
-}
-
-dynamic startTimeRange(String rangeType, String action) {
-  _arg2[0] = rangeType;
-  _arg2[1] = action;
-  return _beginTimeRange.apply(_arg2, thisArg: _trace);
-}
-
-void endTimeRange(dynamic range) {
-  _arg1[0] = range;
-  _endTimeRange.apply(_arg1, thisArg: _trace);
-}

modules/@angular/core/src/profile/wtf_init.dart

@@ -1,14 +0,0 @@
-library angular2.src.core.wtf_init;
-
-import 'dart:js' as js;
-import 'wtf_impl.dart' as impl;
-
-/**
- * Must be executed explicitly in Dart to set the JS Context.
- *
- * NOTE: this is done explicitly to allow WTF api not to depend on
- * JS context and possible to run the noop WTF stubs outside the browser.
- */
-wtfInit() {
-  impl.context = js.context;
-}