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

components/autofill/content/common/autofill_messages.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 
 #include "base/time/time.h"
 #include "components/autofill/content/common/autofill_param_traits_macros.h"
@@ skipping 208 matching lines @@
 
 // Sent when a form is filled with Autofill suggestions.
 IPC_MESSAGE_ROUTED1(AutofillHostMsg_DidFillAutofillFormData,
                     base::TimeTicks /* timestamp */)
 
 // Sent when a form receives a request to do interactive autocomplete.
 IPC_MESSAGE_ROUTED2(AutofillHostMsg_RequestAutocomplete,
                     autofill::FormData /* form_data */,
                     GURL /* frame_url */)
 
-// Instructs the browser to show the Autofill dialog.
-IPC_MESSAGE_ROUTED0(AutofillHostMsg_ShowAutofillDialog)
-
 // Send when a text field is done editing.
 IPC_MESSAGE_ROUTED0(AutofillHostMsg_DidEndTextFieldEditing)
 
 // Instructs the browser to hide the Autofill UI.
 IPC_MESSAGE_ROUTED0(AutofillHostMsg_HideAutofillUI)
 
 // Instructs the browser to show the password generation bubble at the
 // specified location. This location should be specified in the renderers
 // coordinate system. Form is the form associated with the password field.
 IPC_MESSAGE_ROUTED3(AutofillHostMsg_ShowPasswordGenerationPopup,
@@ skipping 11 matching lines @@
 IPC_MESSAGE_ROUTED4(AutofillHostMsg_ShowPasswordSuggestions,
                     autofill::FormFieldData /* the form field */,
                     gfx::RectF /* input field bounds, window-relative */,
                     std::vector<base::string16> /* suggestions */,
                     std::vector<base::string16> /* realms */)
 
 // Inform browser of data list values for the curent field.
 IPC_MESSAGE_ROUTED2(AutofillHostMsg_SetDataList,
                     std::vector<base::string16> /* values */,
                     std::vector<base::string16> /* labels */)