VR: Make webVR insecure content warning look more like M58 warning.

chrome/browser/android/vr_shell/ui_scene_manager.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_scene_manager.h"
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/android/vr_shell/textures/ui_texture.h"
 #include "chrome/browser/android/vr_shell/ui_elements/permanent_security_warning.h"
 #include "chrome/browser/android/vr_shell/ui_elements/textured_element.h"
@@ skipping 18 matching lines @@
   // For now, use an ID range that does not conflict with the HTML UI.
   int id = 1000;
 
   // Permanent WebVR security warning.
   // TODO(mthiesse): Programatically compute the proper texture size for these
   // textured UI elements.
   element = base::MakeUnique<PermanentSecurityWarning>(512);
   element->id = id++;
   element->name = "Permanent security warning";
   element->fill = vr_shell::Fill::NONE;
-  element->size = {0.226f, 0.078f, 1};
+  element->size = {0.224f, 0.070f, 1};
   element->scale = {kWarningDistance, kWarningDistance, 1};
   element->translation = {0, kWarningDistance * sin(kWarningAngleRadians),
                           -kWarningDistance * cos(kWarningAngleRadians)};
   element->rotation = {1.0f, 0, 0, kWarningAngleRadians};
   element->visible = false;
   element->hit_testable = false;
   element->lock_to_fov = true;
   permanent_security_warning_ = element.get();
   scene_->AddUiElement(std::move(element));
 
@@ skipping 51 matching lines @@
   } else {
     security_warning_timer_.Stop();
   }
 }
 
 void UiSceneManager::OnSecurityWarningTimer() {
   transient_security_warning_->visible = false;
 }
 
 }  // namespace vr_shell