Re-land of earlier NTP theme patch; now with mac and linux compatibility.

Review URL: http://codereview.chromium.org/115413

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16205 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 16 insertions, 0 deletions

diff --git a/chrome/browser/dom_ui/new_tab_ui.cc b/chrome/browser/dom_ui/new_tab_ui.cc
index f5865a2..449c605 100644
--- a/chrome/browser/dom_ui/new_tab_ui.cc
+++ b/chrome/browser/dom_ui/new_tab_ui.cc
@@ -1172,11 +1172,27 @@ NewTabUI::NewTabUI(TabContents* contents)
               html_source));
     }
   }
+
+  // Listen for theme installation.
+  NotificationService::current()->AddObserver(this,
+      NotificationType::THEME_INSTALLED, NotificationService::AllSources());
 }
 
 NewTabUI::~NewTabUI() {
+  // Remove theme observer.
+  NotificationService::current()->RemoveObserver(this,
+      NotificationType::THEME_INSTALLED, NotificationService::AllSources());
+}
+
+void NewTabUI::Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details) {
+  if (NotificationType::THEME_INSTALLED == type) {
+    CallJavascriptFunction(L"themeChanged");
+  }
 }
 
+
 // static
 void NewTabUI::RegisterUserPrefs(PrefService* prefs) {
   MostVisitedHandler::RegisterUserPrefs(prefs);