Tied up BlimpNavigationController to NavigationFeature

blimp/client/core/blimp_contents_impl.cc

Index: blimp/client/core/blimp_contents_impl.cc
diff --git a/blimp/client/core/blimp_contents_impl.cc b/blimp/client/core/blimp_contents_impl.cc
index d3c16350908022bd82067bbd1417d88d72a8bc34..940974f85c8c1812be7553138995ca054591e0ce 100644
--- a/blimp/client/core/blimp_contents_impl.cc
+++ b/blimp/client/core/blimp_contents_impl.cc
@@ -58,9 +58,25 @@ void BlimpContentsImpl::RemoveObserver(BlimpContentsObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
-void BlimpContentsImpl::NotifyURLLoaded(const GURL& url) {
+void BlimpContentsImpl::OnUrlChanged(const GURL& url) {
   FOR_EACH_OBSERVER(BlimpContentsObserver, observers_, OnURLUpdated(url));
 }
 
+void BlimpContentsImpl::OnFaviconChanged(const SkBitmap& favicon) {
+  // TODO(shaktisahu): Propagate event to observers.
+}
+
+void BlimpContentsImpl::OnTitleChanged(const std::string& title) {
+  // TODO(shaktisahu): Propagate event to observers.
+}
+
+void BlimpContentsImpl::OnLoadingChanged(bool loading) {
+  // TODO(shaktisahu): Propagate event to observers.
+}
+
+void BlimpContentsImpl::OnPageLoadStatusUpdate(bool completed) {
+  // TODO(shaktisahu): Propagate event to observers.
+}
+
 }  // namespace client
 }  // namespace blimp