Load live version when reloading an offline page on connected network

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 f487e738478942d7b14ac7b6c3f2677687c1e09e..0fb8f690ae716d9ee897ab822f80f4bd1d127885 100644
--- a/chrome/browser/android/tab_android.cc
+++ b/chrome/browser/android/tab_android.cc
@@ -67,6 +67,7 @@
 #include "components/offline_pages/offline_page_feature.h"
 #include "components/offline_pages/offline_page_item.h"
 #include "components/offline_pages/offline_page_model.h"
+#include "components/offline_pages/request_header/offline_page_header.h"
 #include "components/sessions/content/content_live_tab.h"
 #include "components/sessions/core/tab_restore_service.h"
 #include "components/url_formatter/url_fixer.h"
@@ -836,6 +837,22 @@ ScopedJavaLocalRef<jobject> TabAndroid::GetOfflinePage(
       env, *offline_page);
 }
 
+ScopedJavaLocalRef<jstring> TabAndroid::GetOfflinePageHeaderForReload(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& obj) {
+  const offline_pages::OfflinePageHeader* offline_header =
+      offline_pages::OfflinePageUtils::GetOfflineHeaderFromWebContents(
+          web_contents());
+  if (!offline_header)
+    return ScopedJavaLocalRef<jstring>();
+
+  offline_pages::OfflinePageHeader offline_header_for_reload = *offline_header;
+  offline_header_for_reload.reason =
+      offline_pages::OfflinePageHeader::Reason::RELOAD;

[Dmitry Titov, 2016/09/16 21:37:23]

Please add comment why do you need the rest of the header here (instead of just
creating a new one with reason=reload).

[jianli, 2016/09/16 23:08:48]

Done.

+  return ScopedJavaLocalRef<jstring>(ConvertUTF8ToJavaString(
+      env, offline_header_for_reload.ToFullHeaderString()));
+}
+
 bool TabAndroid::HasPrerenderedUrl(JNIEnv* env,
                                    const JavaParamRef<jobject>& obj,
                                    const JavaParamRef<jstring>& url) {