[Autofill] Fill fields where the value equals the placeholder attribute.

components/autofill/core/browser/autofill_manager_unittest.cc

 // 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.
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 2134 matching lines @@
   // The address line 1 should not be filled on desktop.
   if (IsDesktopPlatform()) {
     ExpectFilledField("Address Line 1", "addr1", "", "text",
                       response_data.fields[3]);
   } else {
     ExpectFilledField("Address Line 1", "addr1", "3734 Elvis Presley Blvd.",
                       "text", response_data.fields[3]);
   }
 }
 
+// Test that a field with a value equal to it's placeholder attribute is filled.
+TEST_F(AutofillManagerTest, FillAddressForm_PlaceholderEqualsValue) {
+  FormData address_form;
+  address_form.name = ASCIIToUTF16("MyForm");
+  address_form.origin = GURL("https://myform.com/form.html");
+  address_form.action = GURL("https://myform.com/submit.html");
+  FormFieldData field;
+  // Set the same placeholder and value for each field.
+  test::CreateTestFormField("First name", "firstname", "", "text", &field);
+  field.placeholder = ASCIIToUTF16("First Name");
+  field.value = ASCIIToUTF16("First Name");
+  address_form.fields.push_back(field);
+  test::CreateTestFormField("Middle name", "middle", "", "text", &field);
+  field.placeholder = ASCIIToUTF16("Middle Name");
+  field.value = ASCIIToUTF16("Middle Name");
+  address_form.fields.push_back(field);
+  test::CreateTestFormField("Last name", "lastname", "", "text", &field);
+  field.placeholder = ASCIIToUTF16("Last Name");
+  field.value = ASCIIToUTF16("Last Name");
+  address_form.fields.push_back(field);
+  std::vector<FormData> address_forms(1, address_form);
+  FormsSeen(address_forms);
+
+  // Fill the address form.
+  const char guid[] = "00000000-0000-0000-0000-000000000001";
+  int response_page_id = 0;
+  FormData response_data;
+  FillAutofillFormDataAndSaveResults(
+      kDefaultPageID, address_form, address_form.fields[0],
+      MakeFrontendID(std::string(), guid), &response_page_id, &response_data);
+
+  // All the fields should be filled.
+  ExpectFilledField("First name", "firstname", "Elvis", "text",
+                    response_data.fields[0]);
+  ExpectFilledField("Middle name", "middle", "Aaron", "text",
+                    response_data.fields[1]);
+  ExpectFilledField("Last name", "lastname", "Presley", "text",
+                    response_data.fields[2]);
+}
+
 // Test that a credit card field with an unrecognized autocomplete attribute
 // gets filled.
 TEST_F(AutofillManagerTest, FillCreditCardForm_UnrecognizedAttribute) {
   // Set up the form data.
   FormData form;
   form.name = ASCIIToUTF16("MyForm");
   form.origin = GURL("https://myform.com/form.html");
   form.action = GURL("https://myform.com/submit.html");
 
   FormFieldData field;
@@ skipping 2626 matching lines @@
   FormsSeen(mixed_forms);
 
   // Suggestions should always be displayed.
   for (const FormFieldData& field : mixed_form.fields) {
     GetAutofillSuggestions(mixed_form, field);
     EXPECT_TRUE(external_delegate_->on_suggestions_returned_seen());
   }
 }
 
 }  // namespace autofill