Make password generation switched by a preference in chrome settings rather than a command line fla…

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 8c008d0cba4cbe457bbd71c826627031dff0127e..68b554357d98c2b45bfe898d83ef223771190d1d 100644
--- a/chrome/common/autofill_messages.h
+++ b/chrome/common/autofill_messages.h
@@ -118,10 +118,15 @@ IPC_MESSAGE_ROUTED1(AutofillMsg_SetNodeText,
 IPC_MESSAGE_ROUTED1(AutofillMsg_GeneratedPasswordAccepted,
                     string16 /* generated_password */)
 
-// Tells the renderer if password generation should be enabled.
+// Tells the renderer if password sync is enabled.
+IPC_MESSAGE_ROUTED1(AutofillMsg_PasswordSyncEnabled,
+                    bool /* is_enabled */)
+
+// Tells the renderer if password generation preference is enabled.
 IPC_MESSAGE_ROUTED1(AutofillMsg_PasswordGenerationEnabled,
                     bool /* is_enabled */)
 
+
 // Tells the renderer that the password field has accept the suggestion.
 IPC_MESSAGE_ROUTED1(AutofillMsg_AcceptPasswordAutofillSuggestion,
                     string16 /* username value*/)