Make PermissionRequestManager::requests_ correspond to the active prompt

chrome/browser/ui/views/permission_bubble/permission_prompt_impl.cc

 // Copyright 2014 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/views/permission_bubble/permission_prompt_impl.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 427 matching lines @@
   return false;
 }
 
 void PermissionPromptImpl::Hide() {
   if (bubble_delegate_) {
     bubble_delegate_->CloseBubble();
     bubble_delegate_ = nullptr;
   }
 }
 
-bool PermissionPromptImpl::IsVisible() {
-  return bubble_delegate_ != nullptr;
-}
-
 void PermissionPromptImpl::UpdateAnchorPosition() {
   DCHECK(browser_);
   DCHECK(browser_->window());
 
-  if (IsVisible()) {
+  if (bubble_delegate_) {
     bubble_delegate_->set_parent_window(
         platform_util::GetViewForWindow(browser_->window()->GetNativeWindow()));
     bubble_delegate_->UpdateAnchor(GetAnchorView(),
                                    GetAnchorPoint(),
                                    GetAnchorArrow());
   }
 }
 
 gfx::NativeWindow PermissionPromptImpl::GetNativeWindow() {
   if (bubble_delegate_ && bubble_delegate_->GetWidget())
@@ skipping 24 matching lines @@
 }
 
 void PermissionPromptImpl::Deny() {
   if (delegate_)
     delegate_->Deny();
 }
 
 Profile* PermissionPromptImpl::GetProfile() {
   return browser_->profile();
 }