VrShell: Add test for fullscreen transitions.

chrome/browser/android/vr_shell/ui_scene_manager.cc

Index: chrome/browser/android/vr_shell/ui_scene_manager.cc
diff --git a/chrome/browser/android/vr_shell/ui_scene_manager.cc b/chrome/browser/android/vr_shell/ui_scene_manager.cc
index 32efa09a4e6ab84ebb23c085b7020add7e804e47..ce3affe292d4f9e94d261e6b537fc0581ddd96f5 100644
--- a/chrome/browser/android/vr_shell/ui_scene_manager.cc
+++ b/chrome/browser/android/vr_shell/ui_scene_manager.cc
@@ -163,6 +163,7 @@ void UiSceneManager::CreateSystemIndicators() {
   // TODO(acondor): Make constants for sizes and positions once the UX for the
   // indicators is defined.
   element = base::MakeUnique<AudioCaptureIndicator>(512);
+  element->set_debug_id(kAudioCaptureIndicator);
   element->set_id(AllocateId());
   element->set_translation({-0.3, 0.8, -kContentDistance + 0.1});
   element->set_size({0.5, 0, 1});
@@ -171,6 +172,7 @@ void UiSceneManager::CreateSystemIndicators() {
   scene_->AddUiElement(std::move(element));
 
   element = base::MakeUnique<VideoCaptureIndicator>(512);
+  element->set_debug_id(kVideoCaptureIndicator);
   element->set_id(AllocateId());
   element->set_translation({0.3, 0.8, -kContentDistance + 0.1});
   element->set_size({0.5, 0, 1});
@@ -191,6 +193,7 @@ void UiSceneManager::CreateContentQuad() {
   std::unique_ptr<UiElement> element;
 
   element = base::MakeUnique<UiElement>();
+  element->set_debug_id(kContentQuad);
   element->set_id(AllocateId());
   element->set_fill(vr_shell::Fill::CONTENT);
   element->set_size({kContentWidth, kContentHeight, 1});
@@ -221,6 +224,7 @@ void UiSceneManager::CreateBackground() {
 
   // Floor.
   element = base::MakeUnique<UiElement>();
+  element->set_debug_id(kFloor);
   element->set_id(AllocateId());
   element->set_size({kSceneSize, kSceneSize, 1.0});
   element->set_translation({0.0, -kSceneHeight / 2, 0.0});
@@ -234,6 +238,7 @@ void UiSceneManager::CreateBackground() {
 
   // Ceiling.
   element = base::MakeUnique<UiElement>();
+  element->set_debug_id(kCeiling);
   element->set_id(AllocateId());
   element->set_fill(vr_shell::Fill::OPAQUE_GRADIENT);
   element->set_size({kSceneSize, kSceneSize, 1.0});
@@ -248,6 +253,7 @@ void UiSceneManager::CreateBackground() {
 
   // Floor grid.
   element = base::MakeUnique<UiElement>();
+  element->set_debug_id(kGrid);
   element->set_id(AllocateId());
   element->set_fill(vr_shell::Fill::GRID_GRADIENT);
   element->set_size({kSceneSize, kSceneSize, 1.0});
@@ -269,6 +275,7 @@ void UiSceneManager::CreateBackground() {
 void UiSceneManager::CreateUrlBar() {
   // TODO(cjgrant): Incorporate final size and position.
   auto url_bar = base::MakeUnique<UrlBar>(512);
+  url_bar->set_debug_id(kBrowserBar);
   url_bar->set_id(AllocateId());
   url_bar->set_translation({0, kUrlBarVerticalOffset, -kUrlBarDistance});
   url_bar->set_size({kUrlBarWidth, kUrlBarHeight, 1});
@@ -279,6 +286,7 @@ void UiSceneManager::CreateUrlBar() {
   scene_->AddUiElement(std::move(url_bar));
 
   auto indicator = base::MakeUnique<LoadingIndicator>(256);
+  indicator->set_debug_id(kLoadingIndicator);
   indicator->set_id(AllocateId());
   indicator->set_translation({0, 0, kLoadingIndicatorOffset});
   indicator->set_size({kLoadingIndicatorWidth, kLoadingIndicatorHeight, 1});