Save password without an associated username.

chrome/renderer/autofill/password_autofill_manager_browsertest.cc

Index: chrome/renderer/autofill/password_autofill_manager_browsertest.cc
===================================================================
--- chrome/renderer/autofill/password_autofill_manager_browsertest.cc	(revision 129489)
+++ chrome/renderer/autofill/password_autofill_manager_browsertest.cc	(working copy)
@@ -80,16 +80,17 @@
     username3_ = ASCIIToUTF16(kCarolUsername);
     password3_ = ASCIIToUTF16(kCarolPassword);
 
+    FormField password_field;
+    password_field.name = ASCIIToUTF16(kPasswordName);
+    password_field.value = password1_;
+    fill_data_.basic_data.fields.push_back(password_field);
+    fill_data_only_password_.basic_data.fields.push_back(password_field);
+
     FormField username_field;
     username_field.name = ASCIIToUTF16(kUsernameName);
     username_field.value = username1_;
     fill_data_.basic_data.fields.push_back(username_field);
 
-    FormField password_field;
-    password_field.name = ASCIIToUTF16(kPasswordName);
-    password_field.value = password1_;
-    fill_data_.basic_data.fields.push_back(password_field);
-
     fill_data_.additional_logins[username2_] = password2_;
     fill_data_.additional_logins[username3_] = password3_;
 
@@ -99,6 +100,8 @@
     origin += kFormHTML;
     fill_data_.basic_data.origin = GURL(origin);
     fill_data_.basic_data.action = GURL("http://www.bidule.com");
+    fill_data_only_password_.basic_data.origin = GURL(origin);
+    fill_data_only_password_.basic_data.action = GURL("http://www.bidule.com");
 
     LoadHTML(kFormHTML);
 
@@ -150,6 +153,13 @@
     EXPECT_EQ(password_autofilled, password_element_.isAutofilled());
   }
 
+  void CheckPasswordTextFieldState(const std::string& password,
+                                   bool password_autofilled) {
+    EXPECT_EQ(password,
+              static_cast<std::string>(password_element_.value().utf8()));
+    EXPECT_EQ(password_autofilled, password_element_.isAutofilled());
+  }
+
   void CheckUsernameSelection(int start, int end) {
     EXPECT_EQ(start, username_element_.selectionStart());
     EXPECT_EQ(end, username_element_.selectionEnd());
@@ -162,6 +172,7 @@
   string16 password2_;
   string16 password3_;
   PasswordFormFillData fill_data_;
+  PasswordFormFillData fill_data_only_password_;
 
   WebInputElement username_element_;
   WebInputElement password_element_;
@@ -203,6 +214,17 @@
   CheckTextFieldsState(kAliceUsername, true, kAlicePassword, true);
 }
 
+// Tests that the password login is autocompleted as expected when the browser
+// sends back the password info if there is only a password field.
+TEST_F(PasswordAutofillManagerTest, InitialAutocompleteOnlyPassword) {
+  // Simulate the browser sending back the login info, it triggers the
+  // autocomplete.
+  SimulateOnFillPasswordForm(fill_data_only_password_);
+
+  // Only the password should have been autocompleted.
+  CheckPasswordTextFieldState(kAlicePassword, true);
+}
+
 // Tests that we correctly fill forms having an empty 'action' attribute.
 TEST_F(PasswordAutofillManagerTest, InitialAutocompleteForEmptyAction) {
   const char kEmptyActionFormHTML[] =