Add Chrome to Travis, enable OSX and set default Linux Chrome path

Author: DanTup

.travis.yml

@@ -1,6 +1,12 @@
+os:
+  - linux
+  - osx
+
 language: dart
 dart:
   - "dev/raw/latest"
+addons:
+  chrome: stable
 
 script: ./tool/travis.sh
 

test/src/chrome.dart

@@ -29,6 +29,12 @@ class Chrome {
       if (FileSystemEntity.isDirectorySync(defaultPath)) {
         return new Chrome.from(path.join(defaultPath, bundlePath));
       }
+    } else if (Platform.isLinux) {
+      const String defaultPath = '/usr/bin/google-chrome';
+
+      if (FileSystemEntity.isDirectorySync(defaultPath)) {
+        return new Chrome.from(defaultPath);
+      }
     }
 
     // TODO(devoncarew): check default install locations for linux

tool/travis.sh

@@ -5,7 +5,7 @@
 # found in the LICENSE file.
 
 # Fast fail the script on failures.
-set -e
+#set -e
 
 # Print out the Dart version in use.
 dart --version