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

chrome/browser/android/offline_pages/offline_page_bridge.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/offline_pages/offline_page_bridge.h"
 
 #include <utility>
 
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
@@ skipping 141 matching lines @@
     JNIEnv* env,
     const JavaParamRef<jobject>& obj,
     const JavaParamRef<jstring>& online_url) {
   const OfflinePageItem* offline_page = offline_page_model_->GetPageByOnlineURL(
       GURL(ConvertJavaStringToUTF8(env, online_url)));
   if (!offline_page)
     return ScopedJavaLocalRef<jobject>();
   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,
                                  const JavaParamRef<jobject>& j_web_contents,
                                  jlong bookmark_id) {
   DCHECK(j_callback_obj);
   DCHECK(j_web_contents);
 
   ScopedJavaGlobalRef<jobject> j_callback_ref;
   j_callback_ref.Reset(env, j_callback_obj);
@@ skipping 95 matching lines @@
   return reinterpret_cast<jlong>(new OfflinePageBridge(
       env, obj, ProfileAndroid::FromProfileAndroid(j_profile)));
 }
 
 bool RegisterOfflinePageBridge(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace offline_pages