Lo-Fi snackbar should only be shown for the first q=low response of a page

chrome/browser/android/tab_android.cc

 // Copyright 2012 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/tab_android.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 807 matching lines @@
 void TabAndroid::LoadOfflineCopy(const GURL& url) {
   GURL offline_url = offline_pages::OfflinePageUtils::GetOfflineURLForOnlineURL(
       GetProfile(), url);
   if (!offline_url.is_valid())
     return;
 
   content::NavigationController::LoadURLParams load_params(offline_url);
   web_contents()->GetController().LoadURLWithParams(load_params);
 }
 
+void TabAndroid::OnLoFiResponseReceived() {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_Tab_onLoFiResponseReceived(env, weak_java_tab_.get(env).obj());
+}
+
 jboolean TabAndroid::HasOfflineCopy(JNIEnv* env,
                                     const JavaParamRef<jobject>& obj) {
   GURL url = dom_distiller::url_utils::GetOriginalUrlFromDistillerUrl(
       web_contents()->GetURL());
   return offline_pages::OfflinePageUtils::HasOfflinePageForOnlineURL(
       GetProfile(), url);
 }
 
 jboolean TabAndroid::IsOfflinePage(JNIEnv* env,
                                    const JavaParamRef<jobject>& obj) {
@@ skipping 99 matching lines @@
 static void Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   TRACE_EVENT0("native", "TabAndroid::Init");
   // This will automatically bind to the Java object and pass ownership there.
   new TabAndroid(env, obj);
 }
 
 // static
 bool TabAndroid::RegisterTabAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }