Implement "Autofill form data" import for Firefox

chrome/common/importer/profile_import_process_messages.h

Index: chrome/common/importer/profile_import_process_messages.h
diff --git a/chrome/common/importer/profile_import_process_messages.h b/chrome/common/importer/profile_import_process_messages.h
index dc09e4d326e05031c8bca011e4aa0b6dccb0a132..28b1b3847ffff6a01dccf76d64699255d905d020 100644
--- a/chrome/common/importer/profile_import_process_messages.h
+++ b/chrome/common/importer/profile_import_process_messages.h
@@ -12,6 +12,7 @@
 #include "chrome/common/common_param_traits_macros.h"
 #include "chrome/common/importer/imported_bookmark_entry.h"
 #include "chrome/common/importer/imported_favicon_usage.h"
+#include "chrome/common/importer/importer_autofill_form_data_entry.h"
 #include "chrome/common/importer/importer_data_types.h"
 #include "chrome/common/importer/importer_url_row.h"
 #include "components/autofill/content/common/autofill_param_traits_macros.h"
@@ -256,6 +257,14 @@ struct ParamTraits<importer::ImporterIE7PasswordInfo> {
 
 #define IPC_MESSAGE_START ProfileImportMsgStart
 
+IPC_STRUCT_TRAITS_BEGIN(ImporterAutofillFormDataEntry)
+  IPC_STRUCT_TRAITS_MEMBER(name)
+  IPC_STRUCT_TRAITS_MEMBER(value)
+  IPC_STRUCT_TRAITS_MEMBER(times_used)
+  IPC_STRUCT_TRAITS_MEMBER(first_used)
+  IPC_STRUCT_TRAITS_MEMBER(last_used)
+IPC_STRUCT_TRAITS_END()
+
 //-----------------------------------------------------------------------------
 // ProfileImportProcess messages
 // These are messages sent from the browser to the profile import process.
@@ -322,6 +331,12 @@ IPC_MESSAGE_CONTROL2(ProfileImportProcessHostMsg_NotifyKeywordsReady,
 IPC_MESSAGE_CONTROL1(ProfileImportProcessHostMsg_NotifyFirefoxSearchEngData,
                      std::vector<std::string>) // search_engine_data
 
+IPC_MESSAGE_CONTROL1(ProfileImportProcessHostMsg_AutofillFormDataImportStart,
+                     int  /* total number of entries to be imported */)
+
+IPC_MESSAGE_CONTROL1(ProfileImportProcessHostMsg_AutofillFormDataImportGroup,
+                     std::vector<ImporterAutofillFormDataEntry>)
+
 #if defined(OS_WIN)
 IPC_MESSAGE_CONTROL1(ProfileImportProcessHostMsg_NotifyIE7PasswordInfo,
                      importer::ImporterIE7PasswordInfo) // password_info