If user profile doesn't contain language setting, default to his Google account settings.

chrome/browser/profiles/profile_downloader.cc

Index: chrome/browser/profiles/profile_downloader.cc
diff --git a/chrome/browser/profiles/profile_downloader.cc b/chrome/browser/profiles/profile_downloader.cc
index 08da574b808479a3afea1600ac7f2f5c87cda1da..9bdb89662baede52ee7043fe757d8535146a4aa8 100644
--- a/chrome/browser/profiles/profile_downloader.cc
+++ b/chrome/browser/profiles/profile_downloader.cc
@@ -16,6 +16,7 @@
 #include "base/values.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_downloader_delegate.h"
+#include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/signin/profile_oauth2_token_service.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "content/public/browser/browser_thread.h"
@@ -45,6 +46,9 @@ const char kAPIScope[] = "https://www.googleapis.com/auth/userinfo.profile";
 // Path in JSON dictionary to user's photo thumbnail URL.
 const char kPhotoThumbnailURLPath[] = "picture";
 
+// Path in JSON dictionary to user's preferred locale.
+const char kLocalePath[] = "locale";
+
 const char kNickNamePath[] = "name";
 
 // Path format for specifying thumbnail's size.
@@ -120,15 +124,19 @@ bool GetImageURLWithSize(const GURL& old_url, int size, GURL* new_url) {
 
 }  // namespace
 
-// static
-bool ProfileDownloader::GetProfileNameAndImageURL(const std::string& data,
-                                                  string16* nick_name,
-                                                  std::string* url,
-                                                  int image_size) {
+// Parses the entry response and gets the name and profile image URL.
+// |data| should be the JSON formatted data return by the response.
+// Returns false to indicate a parsing error.
+bool ProfileDownloader::ParseProfileJSON(const std::string& data,
+                                         string16* nick_name,
+                                         std::string* url,
+                                         int image_size,
+                                         std::string* profile_locale) {
   DCHECK(nick_name);
   DCHECK(url);
   *nick_name = string16();
   *url = std::string();
+  *profile_locale = std::string();
 
   int error_code = -1;
   std::string error_message;
@@ -147,6 +155,7 @@ bool ProfileDownloader::GetProfileNameAndImageURL(const std::string& data,
   base::DictionaryValue* root_dictionary =
       static_cast<base::DictionaryValue*>(root_value.get());
 
+  root_dictionary->GetString(kLocalePath, profile_locale);
   root_dictionary->GetString(kNickNamePath, nick_name);
 
   std::string url_string;
@@ -220,6 +229,10 @@ string16 ProfileDownloader::GetProfileFullName() const {
   return profile_full_name_;
 }
 
+std::string ProfileDownloader::GetProfileLocale() const {
+  return profile_locale_;
+}
+
 SkBitmap ProfileDownloader::GetProfilePicture() const {
   return profile_picture_;
 }
@@ -279,8 +292,11 @@ void ProfileDownloader::OnURLFetchComplete(const net::URLFetcher* source) {
 
   if (source == user_entry_fetcher_.get()) {
     std::string image_url;
-    if (!GetProfileNameAndImageURL(data, &profile_full_name_, &image_url,
-        delegate_->GetDesiredImageSideLength())) {
+    if (!ParseProfileJSON(data,
+                          &profile_full_name_,
+                          &image_url,
+                          delegate_->GetDesiredImageSideLength(),
+                          &profile_locale_)) {
       delegate_->OnProfileDownloadFailure(
           this, ProfileDownloaderDelegate::SERVICE_ERROR);
       return;