Make resource_bundle compile on Linux.

chrome/common/resource_bundle.h

 // Copyright (c) 2006-2008 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_RESOURCE_BUNDLE_H__
 #define CHROME_COMMON_RESOURCE_BUNDLE_H__
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/lock.h"
 #include "base/scoped_ptr.h"
 
+#if defined(OS_LINUX)

[Dean McNamee, 2009/01/14 11:28:03]

I don't see why this should have to be ifdef'd, it's just a forward declaration,
it should work everywhere?

+namespace base {
+  class DataPack;
+};
+#endif
 class ChromeFont;
 class SkBitmap;
 class StringPiece;
 
 // ResourceBundle is a central facility to load images and other resources,
 // such as theme graphics.
 // Every resource is loaded only once.
 class ResourceBundle {
  public:
   // An enumeration of the various font styles used throughout Chrome.
@@ skipping 134 matching lines @@
   scoped_ptr<ChromeFont> large_font_;
   scoped_ptr<ChromeFont> web_font_;
 
   static ResourceBundle* g_shared_instance_;
 
   DISALLOW_EVIL_CONSTRUCTORS(ResourceBundle);
 };
 
 #endif // CHROME_COMMON_RESOURCE_BUNDLE_H__