Revert of Hook up the Mac password bubble to the browser and add browser tests.

chrome/browser/password_manager/chrome_password_manager_client.cc

Index: chrome/browser/password_manager/chrome_password_manager_client.cc
diff --git a/chrome/browser/password_manager/chrome_password_manager_client.cc b/chrome/browser/password_manager/chrome_password_manager_client.cc
index 9a167dff8bff596a29376ae7cfe1ea059cdff61b..c5c50bf4136126177d73dbf711fad41cdcd6e35e 100644
--- a/chrome/browser/password_manager/chrome_password_manager_client.cc
+++ b/chrome/browser/password_manager/chrome_password_manager_client.cc
@@ -404,6 +404,9 @@
 }
 
 bool ChromePasswordManagerClient::IsTheHotNewBubbleUIEnabled() {
+#if !defined(USE_AURA)
+  return false;
+#endif
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kDisableSavePasswordBubble))
     return false;