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

components/autofill/core/browser/autofill_external_delegate.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.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_EXTERNAL_DELEGATE_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_EXTERNAL_DELEGATE_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 75 matching lines @@
 
   // Inform the delegate that the text field editing has ended. This is
   // used to help record the metrics of when a new popup is shown.
   void DidEndTextFieldEditing();
 
   // Returns the delegate to its starting state by removing any page specific
   // values or settings.
   void Reset();
 
   // Inform the Password Manager of a filled form.
-  void AddPasswordFormMapping(
-      const FormFieldData& form,
-      const PasswordFormFillData& fill_data);
+  void AddPasswordFormMapping(const FormFieldData& username_field,
+                              const PasswordFormFillData& fill_data);
 
  protected:
   base::WeakPtr<AutofillExternalDelegate> GetWeakPtr();
 
  private:
   // Fills the form with the Autofill data corresponding to |unique_id|.
   // If |is_preview| is true then this is just a preview to show the user what
   // would be selected and if |is_preview| is false then the user has selected
   // this data.
   void FillAutofillFormData(int unique_id, bool is_preview);
@@ skipping 54 matching lines @@
   std::vector<base::string16> data_list_labels_;
 
   base::WeakPtrFactory<AutofillExternalDelegate> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillExternalDelegate);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_EXTERNAL_DELEGATE_H_