scala/src/META-INF/scala-contents.xml

<idea-plugin>
  <extensions defaultExtensionNs="com.google.idea.blaze">
    <SyncPlugin implementation="com.google.idea.blaze.scala.sync.BlazeScalaSyncPlugin"/>
    <JavaLikeLanguage
        implementation="com.google.idea.blaze.scala.sync.source.ScalaJavaLikeLanguage"/>
  </extensions>

  <extensions defaultExtensionNs="com.intellij">
    <runConfigurationProducer
        implementation="com.google.idea.blaze.scala.run.producers.BlazeScalaMainClassRunConfigurationProducer"/>
    <runConfigurationProducer
        implementation="com.google.idea.blaze.scala.run.producers.BlazeScalaTestClassConfigurationProducer"/>
    <!-- TODO: add configuration producer for infix expression test cases in scalatest and specs2. -->
    <!-- Need to come before the one in the scala plugin to override the icon. -->
    <runLineMarkerContributor
        implementationClass="com.google.idea.blaze.scala.run.producers.BlazeScalaRunLineMarkerContributor"
        language="Scala"
        order="first"/>
    <runLineMarkerContributor
        implementationClass="com.google.idea.blaze.scala.run.producers.BlazeScalaTestRunLineMarkerContributor"
        language="Scala"
        order="first"/>
  </extensions>

  <project-components>
    <component>
      <implementation-class>com.google.idea.blaze.scala.run.producers.NonBlazeProducerSuppressor
      </implementation-class>
    </component>
  </project-components>
</idea-plugin>