Clean up JavaScript files to better follow coding standard.

src/array.js

Index: src/array.js
diff --git a/src/array.js b/src/array.js
index 3e01a74bc29305fb6ce9145fb6b493448bcb26dd..fce848bdb681d6a7159f0307c8a654ae4002b7fa 100644
--- a/src/array.js
+++ b/src/array.js
@@ -328,8 +328,9 @@ function SimpleSlice(array, start_i, del_count, len, deleted_elements) {
     // would be the appropriate test.  We follow KJS in consulting the
     // prototype.
     var current = array[index];
-    if (!IS_UNDEFINED(current) || index in array)
+    if (!IS_UNDEFINED(current) || index in array) {
       deleted_elements[i] = current;
+    }
   }
 }
 
@@ -576,10 +577,11 @@ function ArrayShift() {
 
   var first = this[0];
 
-  if (IS_ARRAY(this))
+  if (IS_ARRAY(this)) {
     SmartMove(this, 0, 1, len, 0);
-  else
+  } else {
     SimpleMove(this, 0, 1, len, 0);
+  }
 
   this.length = len - 1;
 
@@ -596,10 +598,11 @@ function ArrayUnshift(arg1) {  // length == 1
   var len = TO_UINT32(this.length);
   var num_arguments = %_ArgumentsLength();
 
-  if (IS_ARRAY(this))
+  if (IS_ARRAY(this)) {
     SmartMove(this, 0, 0, len, num_arguments);
-  else
+  } else {
     SimpleMove(this, 0, 0, len, num_arguments);
+  }
 
   for (var i = 0; i < num_arguments; i++) {
     this[i] = %_Arguments(i);