Expand VPD initial_locale to a list of locales. Use the expanded VPD initial_locale on the OOBE.

chrome/browser/chromeos/customization_document.h

Index: chrome/browser/chromeos/customization_document.h
diff --git a/chrome/browser/chromeos/customization_document.h b/chrome/browser/chromeos/customization_document.h
index 09b0b56776997529c118ff5bdded7e9047b360f1..627ec2f83c2c4051f444f979c75d5874c07a3960 100644
--- a/chrome/browser/chromeos/customization_document.h
+++ b/chrome/browser/chromeos/customization_document.h
@@ -76,7 +76,13 @@ class StartupCustomizationDocument : public CustomizationDocument {
 
   // These methods can be called even if !IsReady(), in this case VPD values
   // will be returned.
+  //
+  // Raw value of "initial_locale" like initial_locale="en-US,sv,da,fi,no" .
   const std::string& initial_locale() const { return initial_locale_; }
+  // Vector of individual locale values.
+  const std::vector<std::string>& configured_locales() const;
+  // configured_locales().front() - default locale value.
+  const std::string& initial_locale_default() const;
   const std::string& initial_timezone() const { return initial_timezone_; }
   const std::string& keyboard_layout() const { return keyboard_layout_; }
 
@@ -101,6 +107,7 @@ class StartupCustomizationDocument : public CustomizationDocument {
   void InitFromMachineStatistic(const char* attr, std::string* value);
 
   std::string initial_locale_;
+  std::vector<std::string> configured_locales_;
   std::string initial_timezone_;
   std::string keyboard_layout_;
   std::string registration_url_;