[Autofill] Dedupe similar profiles on insertion.

components/autofill/core/browser/autofill_profile_unittest.cc

Index: components/autofill/core/browser/autofill_profile_unittest.cc
diff --git a/components/autofill/core/browser/autofill_profile_unittest.cc b/components/autofill/core/browser/autofill_profile_unittest.cc
index 7a6630f8b2b184744aeec2a46ce17fd226664cb7..c8cd5b60e5729c78e6165cfef5c8cf1fc11fa462 100644
--- a/components/autofill/core/browser/autofill_profile_unittest.cc
+++ b/components/autofill/core/browser/autofill_profile_unittest.cc
@@ -1263,4 +1263,23 @@ TEST(AutofillProfileTest, SaveAdditionalInfo_Name_ComplementaryInformation) {
             a.GetRawInfo(NAME_FULL));
 }
 
+// Tests that canonicalized PrimaryValues of two similar profiles with different
+// punctuation and case are equal.
+TEST(AutofillProfileTest, CanonicalizedPrimaryValue) {
+  AutofillProfile profile1(base::GenerateGUID(), "https://www.example.com/");
+  test::SetProfileInfo(&profile1, "Marion", "Mitchell", "Morrison",
+                       "marion@me.xyz", "Fox", "123 Zoo St.", "unit 5",
+                       "Hollywood", "CA", "91601", "US", "12345678910");
+
+  AutofillProfile profile2(base::GenerateGUID(), "https://www.example.com/");
+  test::SetProfileInfo(&profile2, "marion", "mitchell", "morrison",
+                       "marion@me.xyz", "Fox", "123, Zoo St", "unit 5",
+                       "hollywood", "CA", "91601", "US", "12345678910");
+
+  EXPECT_EQ(AutofillProfile::CanonicalizeProfileString(
+                profile1.PrimaryValue("en-US")),
+            AutofillProfile::CanonicalizeProfileString(
+                profile2.PrimaryValue("en-US")));
+}
+
 }  // namespace autofill