Showing previews UI for Offline Previews

chrome/browser/android/offline_pages/offline_page_utils.cc

Index: chrome/browser/android/offline_pages/offline_page_utils.cc
diff --git a/chrome/browser/android/offline_pages/offline_page_utils.cc b/chrome/browser/android/offline_pages/offline_page_utils.cc
index e8292101d5c1867ad1ce1e644410213b732c3006..887a2eaf08afa4a10d6072523b0f83da40f61187 100644
--- a/chrome/browser/android/offline_pages/offline_page_utils.cc
+++ b/chrome/browser/android/offline_pages/offline_page_utils.cc
@@ -102,20 +102,28 @@ const OfflinePageItem* OfflinePageUtils::GetOfflinePageFromWebContents(
 
 // static
 const OfflinePageHeader* OfflinePageUtils::GetOfflineHeaderFromWebContents(
     content::WebContents* web_contents) {
   OfflinePageTabHelper* tab_helper =
       OfflinePageTabHelper::FromWebContents(web_contents);
   return tab_helper ? &(tab_helper->offline_header()) : nullptr;
 }
 
 // static
+bool OfflinePageUtils::IsShowingOfflinePreview(
+    content::WebContents* web_contents) {
+  OfflinePageTabHelper* tab_helper =
+      OfflinePageTabHelper::FromWebContents(web_contents);
+  return tab_helper && tab_helper->IsShowingOfflinePreview();
+}
+
+// static
 bool OfflinePageUtils::GetTabId(content::WebContents* web_contents,
                                 int* tab_id) {
   TabAndroid* tab_android = TabAndroid::FromWebContents(web_contents);
   if (!tab_android)
     return false;
   *tab_id = tab_android->GetAndroidId();
   return true;
 }
 
 // static