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

chrome/common/page_zoom.h

Index: chrome/common/page_zoom.h
===================================================================
--- chrome/common/page_zoom.h	(revision 33695)
+++ chrome/common/page_zoom.h	(working copy)
@@ -1,22 +1,22 @@
-// 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.
 
 #ifndef CHROME_COMMON_PAGE_ZOOM_H_
 #define CHROME_COMMON_PAGE_ZOOM_H_
 
-// This enum is the parameter to various text/page zoom commands so we know
-// what the specific zoom command is.
 class PageZoom {
  public:
+  // This enum is the parameter to various text/page zoom commands so we know
+  // what the specific zoom command is.
   enum Function {
-    SMALLER  = -1,
-    STANDARD = 0,
-    LARGER   = 1,
+    ZOOM_OUT = -1,
+    RESET    = 0,
+    ZOOM_IN  = 1,
   };
 
  private:
-  PageZoom() {}  // For scoping only.
+  DISALLOW_IMPLICIT_CONSTRUCTORS(PageZoom);
 };
 
 #endif  // CHROME_COMMON_PAGE_ZOOM_H_