[Autofill] Use user's email for converted wallet addresses.

components/autofill/core/browser/personal_data_manager.cc

Index: components/autofill/core/browser/personal_data_manager.cc
diff --git a/components/autofill/core/browser/personal_data_manager.cc b/components/autofill/core/browser/personal_data_manager.cc
index 740ee19f2ca73bc03b6dc6d30af851ea53102d20..f3c207b60d20ff26afe1ad5b2a94127105755147 100644
--- a/components/autofill/core/browser/personal_data_manager.cc
+++ b/components/autofill/core/browser/personal_data_manager.cc
@@ -1918,6 +1918,14 @@ std::string PersonalDataManager::MergeServerAddressesIntoProfiles(
     // Set the profile as being local.
     existing_profiles->back().set_record_type(AutofillProfile::LOCAL_PROFILE);
     existing_profiles->back().set_modification_date(AutofillClock::Now());
+
+    // Wallet addresses don't have an email address, use the one from the
+    // currently signed-in account.
+    std::string account_id = signin_manager_->GetAuthenticatedAccountId();
+    base::string16 email =
+        base::UTF8ToUTF16(account_tracker_->GetAccountInfo(account_id).email);

[Mathieu, 2017/02/03 15:27:22]

this is sometimes empty. Let's add 

if (!email.empty())
 ...

[sebsg, 2017/02/03 15:39:51]

Done.

+    existing_profiles->back().SetRawInfo(EMAIL_ADDRESS, email);
+
     AutofillMetrics::LogWalletAddressConversionType(
         AutofillMetrics::CONVERTED_ADDRESS_ADDED);
   }