prune down content_dll change to just the CONTENT_EXPORTS

content/browser/renderer_host/render_widget_fullscreen_host.h

Index: content/browser/renderer_host/render_widget_fullscreen_host.h
diff --git a/content/browser/renderer_host/render_widget_fullscreen_host.h b/content/browser/renderer_host/render_widget_fullscreen_host.h
index fce22001b588a9b8e40391869a311e348a8d9b95..63b7070ecfc57afbb2ddcaaeac93abe0d817990f 100644
--- a/content/browser/renderer_host/render_widget_fullscreen_host.h
+++ b/content/browser/renderer_host/render_widget_fullscreen_host.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -6,8 +6,9 @@
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_FULLSCREEN_HOST_H_
 
 #include "content/browser/renderer_host/render_widget_host.h"
+#include "content/common/content_export.h"
 
-class RenderWidgetFullscreenHost : public RenderWidgetHost {
+class CONTENT_EXPORT RenderWidgetFullscreenHost : public RenderWidgetHost {
  public:
   RenderWidgetFullscreenHost(RenderProcessHost* process, int routing_id);
 };