[rAC] Display Autofill popups vertically compact.

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 1d4173e592564b7f0d24937d8cbc9d994ddbea25..25c461c31807407578d55f5d6fcbdde446935425 100644
--- a/components/autofill/core/browser/personal_data_manager.cc
+++ b/components/autofill/core/browser/personal_data_manager.cc
@@ -13,6 +13,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/autofill-inl.h"
@@ -24,6 +25,7 @@
 #include "components/autofill/core/browser/phone_number_i18n.h"
 #include "components/autofill/core/browser/validation.h"
 #include "components/autofill/core/common/autofill_pref_names.h"
+#include "third_party/libaddressinput/chromium/cpp/include/libaddressinput/address_ui.h"
 
 namespace autofill {
 namespace {
@@ -633,6 +635,17 @@ void PersonalDataManager::GetProfileSuggestions(
     labels->resize(values->size());
   }
 
+  // Names need to be in vertically compact form - i.e. a single line. Join
+  // multi-line names into a single line, using a separator.
+  // The separator is locale-specific.
+  base::string16 compact_separator = base::UTF8ToUTF16(
+      ::i18n::addressinput::GetCompactAddressLinesSeparator(app_locale_));
+  for (size_t i = 0; i < values->size(); ++i) {
+    std::vector<base::string16> lines;
+    base::SplitString((*values)[i], '\n', &lines);
+    (*values)[i] = (JoinString(lines, compact_separator));
+  }
+
   // No icons for profile suggestions.
   icons->resize(values->size());
 }