Initial implementation of status tray functionality (mac-only, currently).

chrome/test/testing_browser_process.h

Index: chrome/test/testing_browser_process.h
diff --git a/chrome/test/testing_browser_process.h b/chrome/test/testing_browser_process.h
index 690f8af84c1913ff16844677a9f11ed9f94986df..47a75e10fdd1f2ad86808b23ae90038851b8ba76 100644
--- a/chrome/test/testing_browser_process.h
+++ b/chrome/test/testing_browser_process.h
@@ -110,6 +110,10 @@ class TestingBrowserProcess : public BrowserProcess {
     return NULL;
   }
 
+  virtual StatusTrayManager* status_tray_manager() {
+    return NULL;
+  }
+
   virtual GoogleURLTracker* google_url_tracker() {
     return NULL;
   }