Don't delete the PermissionPromptAndroid when switching tabs

chrome/browser/ui/android/tab_model/tab_model_selector_base.cc

-// Copyright 2016 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/ui/android/tab_model/tab_model_selector_base.h"
-
-#include "base/android/jni_android.h"
-#include "chrome/browser/android/tab_android.h"
-#include "chrome/browser/permissions/permission_request_manager.h"
-#include "content/public/browser/web_contents.h"
-#include "jni/TabModelSelectorBase_jni.h"
-
-using base::android::JavaParamRef;
-
-static void OnActiveTabChanged(
-    JNIEnv* env,
-    const JavaParamRef<jclass>& clazz,
-    const JavaParamRef<jobject>& java_old_web_contents,
-    const JavaParamRef<jobject>& java_new_web_contents) {
-  // Check if PermissionRequestManager is reused on Android to manage infobars.
-  // This is currently behind a switch flag.
-  if (!PermissionRequestManager::IsEnabled())
-    return;
-
-  // Visible permission infobars will get hidden and shown when switching tabs
-  // by the infobar infrastructure, but we do this explicitly to create/destroy
-  // PermissionPromptAndroid for old and new tabs. This also keeps the codepath
-  // consistent across different platforms.
-  content::WebContents* old_contents =
-      content::WebContents::FromJavaWebContents(java_old_web_contents);
-  content::WebContents* new_contents =
-      content::WebContents::FromJavaWebContents(java_new_web_contents);
-  DCHECK(new_contents);
-  if (old_contents)
-    PermissionRequestManager::FromWebContents(old_contents)->HideBubble();
-
-  if (new_contents) {
-    PermissionRequestManager::FromWebContents(new_contents)
-        ->DisplayPendingRequests();
-  }
-}
-
-// Register native methods
-bool RegisterTabModelSelectorBase(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}