Add browser tags to all of our tests.

dart_test.yaml

Index: dart_test.yaml
diff --git a/dart_test.yaml b/dart_test.yaml
index 1df839806bed8d8211e3691e1a3b0b2c798a70cc..cafb0cf859daf135f21368ec1fc38342dcb38dac 100644
--- a/dart_test.yaml
+++ b/dart_test.yaml
@@ -1,2 +1,16 @@
 # Terse traces hide frames from test itself, which is bad.
 verbose_trace: true
+
+tags:
+  browser: {timeout: 2x}
+  dart2js:
+    add_tags: [browser]
+    timeout: 2x

[kevmoo, 2016/02/17 23:47:30]

2x here is a bit redundant, no?

[nweiz, 2016/02/18 00:02:58]

No, it's cumulative with the browser timeout. So dart2js tests end up having 4x
the baseline timeout.

+
+  firefox: {add_tags: [dart2js]}
+  chrome: {add_tags: [dart2js]}
+  safari: {add_tags: [dart2js]}
+  ie: {add_tags: [dart2js]}
+  phantomjs: {add_tags: [dart2js]}
+  content-shell: {add_tags: [browser]}
+  dartium: {add_tags: [browser]}