[cros] Add attribution (author & website) strings to stock user images.

chrome/browser/ui/webui/options2/chromeos/change_picture_options_handler.cc

Index: chrome/browser/ui/webui/options2/chromeos/change_picture_options_handler.cc
diff --git a/chrome/browser/ui/webui/options2/chromeos/change_picture_options_handler.cc b/chrome/browser/ui/webui/options2/chromeos/change_picture_options_handler.cc
index 05f512c15117fb9e5484a0279d1ecb53e4128679..f45373f770a1eae5d5e087344849532111d4bbec 100644
--- a/chrome/browser/ui/webui/options2/chromeos/change_picture_options_handler.cc
+++ b/chrome/browser/ui/webui/options2/chromeos/change_picture_options_handler.cc
@@ -105,6 +105,8 @@ void ChangePictureOptionsHandler::GetLocalizedValues(
           IDS_OPTIONS_CHANGE_PICTURE_PROFILE_LOADING_PHOTO));
   localized_strings->SetString("previewAltText",
       l10n_util::GetStringUTF16(IDS_OPTIONS_CHANGE_PICTURE_PREVIEW_ALT));
+  localized_strings->SetString("authorCredit",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SET_WALLPAPER_AUTHOR_TEXT));
   if (!CommandLine::ForCurrentProcess()->
           HasSwitch(switches::kDisableHtml5Camera)) {
     localized_strings->SetString("cameraType", "webrtc");
@@ -135,9 +137,15 @@ void ChangePictureOptionsHandler::RegisterMessages() {
 }
 
 void ChangePictureOptionsHandler::SendDefaultImages() {
-  ListValue image_urls;
+  base::ListValue image_urls;
   for (int i = kFirstDefaultImageIndex; i < kDefaultImagesCount; ++i) {
-    image_urls.Append(new StringValue(GetDefaultImageUrl(i)));
+    scoped_ptr<base::DictionaryValue> image_data(new base::DictionaryValue);
+    image_data->SetString("url", GetDefaultImageUrl(i));
+    image_data->SetString(
+        "author", l10n_util::GetStringUTF16(kDefaultImageAuthorIDs[i]));
+    image_data->SetString(
+        "website", l10n_util::GetStringUTF16(kDefaultImageWebsiteIDs[i]));
+    image_urls.Append(image_data.release());
   }
   web_ui()->CallJavascriptFunction("ChangePictureOptions.setDefaultImages",
                                    image_urls);