Bring up a content settings icon for ungestured registerProtocolHandler call.

chrome/browser/ui/content_settings/content_setting_image_model.cc

Index: chrome/browser/ui/content_settings/content_setting_image_model.cc
diff --git a/chrome/browser/ui/content_settings/content_setting_image_model.cc b/chrome/browser/ui/content_settings/content_setting_image_model.cc
index 022831d7a90449d3bf7fd3637f10371d344ebfe8..305d5951beb92416195a7124d444275d3c646bbc 100644
--- a/chrome/browser/ui/content_settings/content_setting_image_model.cc
+++ b/chrome/browser/ui/content_settings/content_setting_image_model.cc
@@ -31,6 +31,13 @@ class ContentSettingGeolocationImageModel : public ContentSettingImageModel {
   virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
 };
 
+class ContentSettingRPHImageModel : public ContentSettingImageModel {
+ public:
+  ContentSettingRPHImageModel();
+
+  virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
+};
+
 class ContentSettingNotificationsImageModel : public ContentSettingImageModel {
  public:
   ContentSettingNotificationsImageModel();
@@ -155,6 +162,27 @@ void ContentSettingGeolocationImageModel::UpdateFromWebContents(
       IDS_GEOLOCATION_ALLOWED_TOOLTIP : IDS_GEOLOCATION_BLOCKED_TOOLTIP));
 }
 
+ContentSettingRPHImageModel::ContentSettingRPHImageModel()
+    : ContentSettingImageModel(
+        CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS) {
+  set_icon(IDR_REGISTER_PROTOCOL_HANDLER_LOCATIONBAR_ICON);
+  set_tooltip(l10n_util::GetStringUTF8(IDS_REGISTER_PROTOCOL_HANDLER_TOOLTIP));
+}
+
+void ContentSettingRPHImageModel::UpdateFromWebContents(
+    WebContents* web_contents) {
+  set_visible(false);
+  if (!web_contents)
+    return;
+
+  TabSpecificContentSettings* content_settings =
+      TabContents::FromWebContents(web_contents)->content_settings();
+  if (content_settings->pending_protocol_handler().IsEmpty())
+    return;
+
+  set_visible(true);
+}
+
 ContentSettingNotificationsImageModel::ContentSettingNotificationsImageModel()
     : ContentSettingImageModel(CONTENT_SETTINGS_TYPE_NOTIFICATIONS) {
 }
@@ -182,6 +210,8 @@ ContentSettingImageModel*
       return new ContentSettingGeolocationImageModel();
     case CONTENT_SETTINGS_TYPE_NOTIFICATIONS:
       return new ContentSettingNotificationsImageModel();
+    case CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS:
+      return new ContentSettingRPHImageModel();
     default:
       return new ContentSettingBlockedImageModel(content_settings_type);
   }