[Offline pages] Updating page info to explain offline pages properly

chrome/browser/android/offline_pages/offline_page_bridge.cc

Index: chrome/browser/android/offline_pages/offline_page_bridge.cc
diff --git a/chrome/browser/android/offline_pages/offline_page_bridge.cc b/chrome/browser/android/offline_pages/offline_page_bridge.cc
index 1b28beea89a28be4bb92a268057eaddc0d4b33ce..09c860fc39e26735904022d6860a8c642396ba8f 100644
--- a/chrome/browser/android/offline_pages/offline_page_bridge.cc
+++ b/chrome/browser/android/offline_pages/offline_page_bridge.cc
@@ -159,6 +159,18 @@ ScopedJavaLocalRef<jobject> OfflinePageBridge::GetPageByOnlineURL(
   return CreateOfflinePageItem(env, *offline_page);
 }
 
+ScopedJavaLocalRef<jobject> OfflinePageBridge::GetPageByOfflineUrl(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    const JavaParamRef<jstring>& j_offline_url) {
+  const OfflinePageItem* offline_page =
+      offline_page_model_->GetPageByOfflineURL(
+          GURL(ConvertJavaStringToUTF8(env, j_offline_url)));
+  if (!offline_page)
+    return ScopedJavaLocalRef<jobject>();
+  return CreateOfflinePageItem(env, *offline_page);
+}
+
 void OfflinePageBridge::SavePage(JNIEnv* env,
                                  const JavaParamRef<jobject>& obj,
                                  const JavaParamRef<jobject>& j_callback_obj,