Move the remaining files in chrome\common to content\common.

chrome/common/page_zoom.h

Index: chrome/common/page_zoom.h
===================================================================
--- chrome/common/page_zoom.h	(revision 78506)
+++ chrome/common/page_zoom.h	(working copy)
@@ -1,25 +0,0 @@
-// 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_
-#pragma once
-
-#include "base/basictypes.h"
-
-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 {
-    ZOOM_OUT = -1,
-    RESET    = 0,
-    ZOOM_IN  = 1,
-  };
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(PageZoom);
-};
-
-#endif  // CHROME_COMMON_PAGE_ZOOM_H_