Remember zoom on a per-host basis....

webkit/tools/test_shell/layout_test_controller.cc

Index: webkit/tools/test_shell/layout_test_controller.cc
===================================================================
--- webkit/tools/test_shell/layout_test_controller.cc	(revision 33695)
+++ webkit/tools/test_shell/layout_test_controller.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -425,7 +425,7 @@
 
 void LayoutTestController::Reset() {
   if (shell_) {
-    shell_->webView()->zoomDefault();
+    shell_->webView()->setZoomLevel(false, 0);
     shell_->webView()->setTabKeyCyclesThroughElements(true);
   }
   dump_as_text_ = false;