Adding UMA stats.

chrome/common/autofill_messages.h

Index: chrome/common/autofill_messages.h
diff --git a/chrome/common/autofill_messages.h b/chrome/common/autofill_messages.h
index 4317b945944ba86c0deb9bec4cddc883879d816d..5bc47c38b6fd05d88db2c41132d18d7194feab5b 100644
--- a/chrome/common/autofill_messages.h
+++ b/chrome/common/autofill_messages.h
@@ -7,6 +7,7 @@
 #include <string>
 
 #include "base/time.h"
+#include "chrome/browser/ui/password_generation_status.h"
 #include "content/public/common/webkit_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
@@ -64,6 +65,14 @@ IPC_STRUCT_TRAITS_BEGIN(webkit::forms::PasswordFormFillData)
   IPC_STRUCT_TRAITS_MEMBER(wait_for_username)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(password_generation::PasswordGenerationStatus)
+  IPC_STRUCT_TRAITS_MEMBER(generated_password)
+  IPC_STRUCT_TRAITS_MEMBER(learn_more_visited)
+  IPC_STRUCT_TRAITS_MEMBER(password_accepted)
+  IPC_STRUCT_TRAITS_MEMBER(password_edited)
+  IPC_STRUCT_TRAITS_MEMBER(password_regenerated)
+IPC_STRUCT_TRAITS_END()
+
 // Autofill messages sent from the browser to the renderer.
 
 // Reply to the AutofillHostMsg_QueryFormFieldAutofill message with the
@@ -119,8 +128,8 @@ IPC_MESSAGE_ROUTED1(AutofillMsg_AcceptDataListSuggestion,
 
 // Tells the renderer to populate the correct password fields with this
 // generated password.
-IPC_MESSAGE_ROUTED1(AutofillMsg_GeneratedPasswordAccepted,
-                    string16 /* generated_password */)
+IPC_MESSAGE_ROUTED1(AutofillMsg_PasswordGenerationBubbleClosed,
+                    password_generation::PasswordGenerationStatus)
 
 // Tells the renderer whether password generation is enabled.
 IPC_MESSAGE_ROUTED1(AutofillMsg_PasswordGenerationEnabled,