[Reland][Extensions] Don't count bubble focus loss as acknowledgment

chrome/browser/extensions/settings_api_bubble_delegate.cc

Index: chrome/browser/extensions/settings_api_bubble_delegate.cc
diff --git a/chrome/browser/extensions/settings_api_bubble_delegate.cc b/chrome/browser/extensions/settings_api_bubble_delegate.cc
index 2641883f200e1361a2539f2831b7068aaf5595df..26ac3da9c199b836e15b45a1de0f773173e857c1 100644
--- a/chrome/browser/extensions/settings_api_bubble_delegate.cc
+++ b/chrome/browser/extensions/settings_api_bubble_delegate.cc
@@ -238,4 +238,17 @@ void SettingsApiBubbleDelegate::LogAction(
   }
 }
 
+const char* SettingsApiBubbleDelegate::GetKey() {
+  switch (type_) {
+    case BUBBLE_TYPE_HOME_PAGE:
+      return "SettingsApiBubbleDelegate.HomePage";
+    case BUBBLE_TYPE_STARTUP_PAGES:
+      return "SettingsApiBubbleDelegate.StartupPages";
+    case BUBBLE_TYPE_SEARCH_ENGINE:
+      return "SettingsApiBubbleDelegate.SearchEngine";
+  }
+  NOTREACHED();
+  return "";
+}
+
 }  // namespace extensions