Cleanup LayoutTests that define a function gc().

third_party/WebKit/LayoutTests/fast/dom/gc-custom-prototype.html

Index: third_party/WebKit/LayoutTests/fast/dom/gc-custom-prototype.html
diff --git a/third_party/WebKit/LayoutTests/fast/dom/gc-custom-prototype.html b/third_party/WebKit/LayoutTests/fast/dom/gc-custom-prototype.html
index 8a4d0fa9f3f01ad8b9c0d20fea59949d1c37c756..4c62a712e7e77d1d34188195565d7ed4e2b174b4 100644
--- a/third_party/WebKit/LayoutTests/fast/dom/gc-custom-prototype.html
+++ b/third_party/WebKit/LayoutTests/fast/dom/gc-custom-prototype.html
@@ -2,7 +2,7 @@
 <pre id="console"></pre>
 
 <p id="p"></p>
-
+<script src="../../resources/gc.js"></script>
 <script>
 function $(id)
 {
@@ -24,17 +24,6 @@ function shouldBe(aDescription, a, b)
     log("PASS: " + aDescription + " should be " + b + " and is.");
 }
 
-function gc()
-{
-    if (window.GCController) {
-        GCController.collect();
-        return;
-    }
-    
-    for (var i = 0; i < 10000; ++i)
-        new Object;
-}
-
 function shouldBeNull(aDescription, a)
 {
     if (a == null) {