[Autofill] Fill from the last digits when filling a phone number with a maximum length.

components/autofill/core/browser/autofill_field_unittest.cc

Index: components/autofill/core/browser/autofill_field_unittest.cc
diff --git a/components/autofill/core/browser/autofill_field_unittest.cc b/components/autofill/core/browser/autofill_field_unittest.cc
index 10b1d96ce6a146dbce193be0fdc2343e90afba12..b339e62894393ccbde7df3a58746b2562f9ec682 100644
--- a/components/autofill/core/browser/autofill_field_unittest.cc
+++ b/components/autofill/core/browser/autofill_field_unittest.cc
@@ -273,7 +273,7 @@ TEST(AutofillFieldTest, FillPhoneNumber) {
       field, ASCIIToUTF16("5551234"), "en-US", "en-US", &field);
   EXPECT_EQ(ASCIIToUTF16("555"), field.value);
 
-  // Now reset the type, and set a max-length instead.
+  // Now reset the type, and set a max-length the size of a suffix.
   field.SetHtmlType(HTML_TYPE_UNSPECIFIED, HtmlFieldMode());
   field.set_heuristic_type(PHONE_HOME_NUMBER);
   field.max_length = 4;
@@ -282,6 +282,17 @@ TEST(AutofillFieldTest, FillPhoneNumber) {
   AutofillField::FillFormField(
       field, ASCIIToUTF16("5551234"), "en-US", "en-US", &field);
   EXPECT_EQ(ASCIIToUTF16("1234"), field.value);
+
+  // Now reset the type, and set a max-length of 10.
+  field.SetHtmlType(HTML_TYPE_UNSPECIFIED, HtmlFieldMode());

[Mathieu, 2016/01/26 14:43:02]

HTML_TYPE_TEL? 

https://code.google.com/p/chromium/codesearch#chromium/src/components/autofil...

[sebsg, 2016/01/26 23:56:26]

Done.

+  field.set_heuristic_type(PHONE_HOME_WHOLE_NUMBER);
+  field.max_length = 10;
+
+  // Fill with a whole phone number including country code. The number should
+  // fill without the country code.
+  AutofillField::FillFormField(field, ASCIIToUTF16("15141254578"), "en-US",
+                               "en-US", &field);
+  EXPECT_EQ(ASCIIToUTF16("5141254578"), field.value);
 }
 
 TEST(AutofillFieldTest, FillSelectControlByValue) {