[Autofill] Sanitize all data that comes in over IPC.

components/autofill/content/renderer/form_autofill_util.cc

Index: components/autofill/content/renderer/form_autofill_util.cc
diff --git a/components/autofill/content/renderer/form_autofill_util.cc b/components/autofill/content/renderer/form_autofill_util.cc
index 42b340e779688bcb7c8022ea201e592fe3ea0672..98767483f65487188fdcd5f3d865d0b5e74ab115 100644
--- a/components/autofill/content/renderer/form_autofill_util.cc
+++ b/components/autofill/content/renderer/form_autofill_util.cc
@@ -12,6 +12,7 @@
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
+#include "components/autofill/core/common/autofill_data_validation.h"
 #include "components/autofill/core/common/autofill_switches.h"
 #include "components/autofill/core/common/form_data.h"
 #include "components/autofill/core/common/form_field_data.h"
@@ -51,9 +52,6 @@ using blink::WebVector;
 namespace autofill {
 namespace {
 
-// The maximum length allowed for form data.
-const size_t kMaxDataLength = 1024;
-
 // A bit field mask for FillForm functions to not fill some fields.
 enum FieldFilterMask {
   FILTER_NONE                       = 0,