Handle online and offline redirects via interceptor and offline scheme

chrome/browser/android/tab_android.cc

Index: chrome/browser/android/tab_android.cc
diff --git a/chrome/browser/android/tab_android.cc b/chrome/browser/android/tab_android.cc
index efd00c4aaab7e2cf4591d60c291f952945b7cf13..cabe2385e711aebaf0e8d6e04026ca74f7b57acf 100644
--- a/chrome/browser/android/tab_android.cc
+++ b/chrome/browser/android/tab_android.cc
@@ -801,7 +801,7 @@ jboolean TabAndroid::IsOfflinePage(JNIEnv* env,
                                    const JavaParamRef<jobject>& obj) {
   GURL url = dom_distiller::url_utils::GetOriginalUrlFromDistillerUrl(
       web_contents()->GetURL());
-  return offline_pages::OfflinePageUtils::IsOfflinePage(GetProfile(), url);
+  return url.SchemeIs(chrome::kOfflinePageScheme);
 }
 
 ScopedJavaLocalRef<jstring> TabAndroid::GetOfflinePageOriginalUrl(
@@ -809,10 +809,10 @@ ScopedJavaLocalRef<jstring> TabAndroid::GetOfflinePageOriginalUrl(
     const JavaParamRef<jobject>& obj) {
   GURL url = dom_distiller::url_utils::GetOriginalUrlFromDistillerUrl(
       web_contents()->GetURL());
-  GURL original_url =
-      offline_pages::OfflinePageUtils::MaybeGetOnlineURLForOfflineURL(
-          GetProfile(), url);
-  if (!original_url.is_valid())
+  if (!url.SchemeIs(chrome::kOfflinePageScheme))
+    return ScopedJavaLocalRef<jstring>();
+  GURL original_url(url.GetContent());
+  if (!original_url.is_valid() || !original_url.SchemeIsHTTPOrHTTPS())
     return ScopedJavaLocalRef<jstring>();
 
   return ScopedJavaLocalRef<jstring>(