2 files changed, 2 insertions, 1 deletions
diff --git a/chrome/browser/plugins/plugin_observer.cc b/chrome/browser/plugins/plugin_observer.cc
index 395678d..955735d 100644
--- a/chrome/browser/plugins/plugin_observer.cc
+++ b/chrome/browser/plugins/plugin_observer.cc
@@ -46,7 +46,7 @@ using content::PluginService;
 using content::Referrer;
 using content::WebContents;
 
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(PluginObserver)
+int PluginObserver::kUserDataKey;
 
 namespace {
 
diff --git a/chrome/browser/plugins/plugin_observer.h b/chrome/browser/plugins/plugin_observer.h
index 2f2a2be..a0ae687 100644
--- a/chrome/browser/plugins/plugin_observer.h
+++ b/chrome/browser/plugins/plugin_observer.h
@@ -39,6 +39,7 @@ class PluginObserver : public content::WebContentsObserver,
 
  private:
   explicit PluginObserver(content::WebContents* web_contents);
+  static int kUserDataKey;
   friend class WebContentsUserData<PluginObserver>;
 
   class PluginPlaceholderHost;