OfflinePageModel cleanups - improved CanSavePage() and moved static kInvalidOfflineId to impl

components/offline_pages/offline_page_model.cc

Index: components/offline_pages/offline_page_model.cc
diff --git a/components/offline_pages/offline_page_model.cc b/components/offline_pages/offline_page_model.cc
index 2ce7d1ac680001c0421157da913e242f703db23b..544a1f3de4fdb29691ce8d63631ba4e08519b7ef 100644
--- a/components/offline_pages/offline_page_model.cc
+++ b/components/offline_pages/offline_page_model.cc
@@ -9,8 +9,8 @@
 namespace offline_pages {
 
 // static
-bool OfflinePageModel::CanSavePage(const GURL& url) {
-  return url.SchemeIsHTTPOrHTTPS();
+bool OfflinePageModel::CanSaveURL(const GURL& url) {
+  return url.is_valid() && url.SchemeIsHTTPOrHTTPS();
 }
 
 OfflinePageModel::OfflinePageModel() {}