Don't treat Dartium as a JS context. (flutter#12)

Author: nex3

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.6.7
+
+* Fix a bug where `new Frame.caller()` returned the wrong depth of frame on
+  Dartium.
+
 ## 1.6.6
 
 * `new Trace.current()` and `new Chain.current()` now skip an extra frame when

lib/src/utils.dart

@@ -10,7 +10,7 @@ const chainGap = '===== asynchronous gap ===========================\n';
 
 // TODO(nweiz): When cross-platform imports work, use them to set this.
 /// Whether we're running in a JS context.
-final bool inJS = p.style == p.Style.url;
+final bool inJS = 0.0 is int;
 
 /// Returns [string] with enough spaces added to the end to make it [length]
 /// characters long.

pubspec.yaml

@@ -7,7 +7,7 @@ name: stack_trace
 #
 # When the major version is upgraded, you *must* update that version constraint
 # in pub to stay in sync with this.
-version: 1.6.6
+version: 1.6.7
 author: "Dart Team <[email protected]>"
 homepage: https://github.com/dart-lang/stack_trace
 description: >