VR: Soften the floor grid

chrome/browser/android/vr_shell/ui_scene_manager_unittest.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/macros.h"
 #include "base/test/scoped_task_environment.h"
 #include "chrome/browser/android/vr_shell/ui_elements/ui_element.h"
 #include "chrome/browser/android/vr_shell/ui_elements/ui_element_debug_id.h"
@@ skipping 179 matching lines @@
   manager_->SetIncognito(false);
 
   {
     SCOPED_TRACE("Exited Incognito");
     EXPECT_EQ(initial_background, scene_->GetBackgroundColor());
   }
 }
 
 TEST_F(UiSceneManagerTest, UiUpdatesForFullscreenChanges) {
   std::set<UiElementDebugId> visible_in_browsing = {
-      UiElementDebugId::kContentQuad,     UiElementDebugId::kBackplane,
-      UiElementDebugId::kCeiling,         UiElementDebugId::kFloor,
-      UiElementDebugId::kFloorGrid,       UiElementDebugId::kUrlBar,
-      UiElementDebugId::kLoadingIndicator};
+      UiElementDebugId::kContentQuad, UiElementDebugId::kBackplane,
+      UiElementDebugId::kCeiling,     UiElementDebugId::kFloor,
+      UiElementDebugId::kUrlBar,      UiElementDebugId::kLoadingIndicator};
   std::set<UiElementDebugId> visible_in_fullscreen = {
       UiElementDebugId::kContentQuad, UiElementDebugId::kBackplane,
-      UiElementDebugId::kCeiling, UiElementDebugId::kFloor,
-      UiElementDebugId::kFloorGrid};
+      UiElementDebugId::kCeiling, UiElementDebugId::kFloor};
 
   MakeManager(kNotInCct, kNotInWebVr);
 
   // Hold onto the background color to make sure it changes.
   SkColor initial_background = scene_->GetBackgroundColor();
 
   for (const auto& element : scene_->GetUiElements()) {
     SCOPED_TRACE(element->debug_id());
     bool should_be_visible = visible_in_browsing.find(element->debug_id()) !=
                              visible_in_browsing.end();
@@ skipping 27 matching lines @@
                              visible_in_browsing.end();
     EXPECT_EQ(should_be_visible, element->visible());
   }
   {
     SCOPED_TRACE("Exited Fullsceen");
     EXPECT_EQ(initial_background, scene_->GetBackgroundColor());
   }
 }
 
 }  // namespace vr_shell