Reformat multi-line closure argument.

Author: William Benton <[email protected]>

Closes apache#1419 from willb/reformat-2486 and squashes the following commits:

2676231 [William Benton] Reformat multi-line closure argument.

Author: willb

core/src/main/scala/org/apache/spark/util/Utils.scala

@@ -809,11 +809,12 @@ private[spark] object Utils extends Logging {
    */
   def getCallSite: CallSite = {
     val trace = Thread.currentThread.getStackTrace()
-      .filterNot((ste:StackTraceElement) => 
+      .filterNot { ste:StackTraceElement => 
         // When running under some profilers, the current stack trace might contain some bogus 
         // frames. This is intended to ensure that we don't crash in these situations by
         // ignoring any frames that we can't examine.
-        (ste == null || ste.getMethodName == null || ste.getMethodName.contains("getStackTrace")))
+        (ste == null || ste.getMethodName == null || ste.getMethodName.contains("getStackTrace"))
+      }
 
     // Keep crawling up the stack trace until we find the first function not inside of the spark
     // package. We track the last (shallowest) contiguous Spark method. This might be an RDD