1 files changed, 8 insertions, 2 deletions
diff --git a/chrome/browser/common/web_contents_user_data_unittest.cc b/chrome/browser/common/web_contents_user_data_unittest.cc
index 1ee3a6a..cb35bac 100644
--- a/chrome/browser/common/web_contents_user_data_unittest.cc
+++ b/chrome/browser/common/web_contents_user_data_unittest.cc
@@ -11,12 +11,15 @@
 #include "content/public/test/web_contents_tester.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace {
+
 class WebContentsAttachedClass1
     : public WebContentsUserData<WebContentsAttachedClass1> {
  public:
   virtual ~WebContentsAttachedClass1() {}
  private:
   explicit WebContentsAttachedClass1(content::WebContents* contents) {}
+  static int kUserDataKey;
   friend class WebContentsUserData<WebContentsAttachedClass1>;
 };
 
@@ -26,11 +29,14 @@ class WebContentsAttachedClass2
   virtual ~WebContentsAttachedClass2() {}
  private:
   explicit WebContentsAttachedClass2(content::WebContents* contents) {}
+  static int kUserDataKey;
   friend class WebContentsUserData<WebContentsAttachedClass2>;
 };
 
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(WebContentsAttachedClass1)
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(WebContentsAttachedClass2)
+int WebContentsAttachedClass1::kUserDataKey;
+int WebContentsAttachedClass2::kUserDataKey;
+
+}  // namespace
 
 typedef ChromeRenderViewHostTestHarness WebContentsUserDataTest;