[vr] Close exit prompt when clicking on background

chrome/browser/android/vr_shell/ui_elements/loading_indicator.cc

 // Copyright 2017 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/vr_shell/ui_elements/loading_indicator.h"
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/android/vr_shell/textures/loading_indicator_texture.h"
 
 namespace vr_shell {
@@ skipping 12 matching lines @@
 LoadingIndicator::~LoadingIndicator() = default;
 
 UiTexture* LoadingIndicator::GetTexture() const {
   return texture_.get();
 }
 
 void LoadingIndicator::SetEnabled(bool enabled) {
   if (enabled_ == enabled)
     return;
   enabled_ = enabled;
-  ResetVisibilityTimer();
   SetVisibility();
 }
 
 void LoadingIndicator::SetLoading(bool loading) {
   if (loading_ == loading)
     return;
   loading_ = loading;
   texture_->SetLoading(loading);
   texture_->SetLoadProgress(0);
   ResetVisibilityTimer();
@@ skipping 17 matching lines @@
 void LoadingIndicator::SetVisibility() {
   set_visible(enabled_ && (loading_ || visibility_timer_.IsRunning()));
 }
 
 void LoadingIndicator::OnBeginFrame(const base::TimeTicks& ticks) {
   if (enabled_)
     UpdateTexture();
 }
 
 }  // namespace vr_shell