commit 7afd7c3995f1a94c0f339d454ae4eb9a79a04258
Author: fago <nuppla@zites.net>
Date:   Wed Feb 27 12:38:44 2013 +0100

    addressing berdir review

diff --git a/core/lib/Drupal/Core/Entity/Field/Type/Field.php b/core/lib/Drupal/Core/Entity/Field/Type/Field.php
index 730be99..5e4f116 100644
--- a/core/lib/Drupal/Core/Entity/Field/Type/Field.php
+++ b/core/lib/Drupal/Core/Entity/Field/Type/Field.php
@@ -11,10 +11,6 @@
 use Drupal\user\Plugin\Core\Entity\User;
 use Drupal\Core\TypedData\ContextAwareInterface;
 use Drupal\Core\TypedData\ItemList;
-use Drupal\Core\TypedData\TypedDataInterface;
-use ArrayIterator;
-use IteratorAggregate;
-use InvalidArgumentException;
 
 /**
  * Represents an entity field; that is, a list of field item objects.
@@ -27,7 +23,7 @@
  *
  * @see \Drupal\Core\Entity\Field\FieldInterface
  */
-class Field extends ItemList implements IteratorAggregate, FieldInterface {
+class Field extends ItemList implements FieldInterface {
 
   /**
    * Numerically indexed array of field items, implementing the
@@ -88,7 +84,7 @@ public function setValue($values) {
       // Set the values.
       foreach ($values as $delta => $value) {
         if (!is_numeric($delta)) {
-          throw new InvalidArgumentException('Unable to set a value with a non-numeric delta in a list.');
+          throw new \InvalidArgumentException('Unable to set a value with a non-numeric delta in a list.');
         }
         elseif (!isset($this->list[$delta])) {
           $this->list[$delta] = $this->createItem($delta, $value);
diff --git a/core/lib/Drupal/Core/TypedData/ItemList.php b/core/lib/Drupal/Core/TypedData/ItemList.php
index 997a4de..d5a3bcc 100644
--- a/core/lib/Drupal/Core/TypedData/ItemList.php
+++ b/core/lib/Drupal/Core/TypedData/ItemList.php
@@ -9,7 +9,6 @@
 
 use ArrayIterator;
 use IteratorAggregate;
-use InvalidArgumentException;
 
 /**
  * A generic list class.
@@ -51,7 +50,7 @@ public function setValue($values) {
     }
     else {
       if (!is_array($values)) {
-        throw new InvalidArgumentException('Cannot set a list with a non-array value.');
+        throw new \InvalidArgumentException('Cannot set a list with a non-array value.');
       }
 
       // Clear the values of properties for which no value has been passed.
@@ -62,7 +61,7 @@ public function setValue($values) {
       // Set the values.
       foreach ($values as $delta => $value) {
         if (!is_numeric($delta)) {
-          throw new InvalidArgumentException('Unable to set a value with a non-numeric delta in a list.');
+          throw new \InvalidArgumentException('Unable to set a value with a non-numeric delta in a list.');
         }
         elseif (!isset($this->list[$delta])) {
           $this->list[$delta] = $this->createItem($delta, $value);
@@ -116,7 +115,7 @@ public function offsetUnset($offset) {
    */
   public function offsetGet($offset) {
     if (!is_numeric($offset)) {
-      throw new InvalidArgumentException('Unable to get a value with a non-numeric delta in a list.');
+      throw new \InvalidArgumentException('Unable to get a value with a non-numeric delta in a list.');
     }
     // Allow getting not yet existing items as well.
     // @todo: Maybe add a public createItem() method in addition?
@@ -158,7 +157,7 @@ public function offsetSet($offset, $value) {
       $this->offsetGet($offset)->setValue($value);
     }
     else {
-      throw new InvalidArgumentException('Unable to set a value with a non-numeric delta in a list.');
+      throw new \InvalidArgumentException('Unable to set a value with a non-numeric delta in a list.');
     }
   }