VR: Update UiSceneManager with screen capturing flag

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 182 matching lines @@
     bool should_be_visible = visible_in_browsing.find(element->debug_id()) !=
                              visible_in_browsing.end();
     EXPECT_EQ(should_be_visible, element->visible());
   }
   {
     SCOPED_TRACE("Exited Fullsceen");
     EXPECT_TRUE(ColorEquals(initial_background, scene_->GetBackgroundColor()));
   }
 }
 
+TEST_F(UiSceneManagerTest, UiUpdatesForWebVRChanges) {

[cjgrant, 2017/05/26 14:08:15]

I put a proposed test structure here.  Let me know what you think!

https://paste.googleplex.com/5593044975878144

[asimjour1, 2017/05/26 17:01:00]

Done.

+  MakeManager(kNotInCct, kInWebVr);
+
+  // Transistion to web vr mode.
+  manager_->SetWebVrMode(true);
+  manager_->SetWebVrSecureOrigin(true);
+
+  // All elements should be hidden.
+  for (const auto& element : scene_->GetUiElements()) {
+    SCOPED_TRACE(element->debug_id());
+    EXPECT_FALSE(element->visible());
+  }
+
+  // Exit webvr mode.
+  std::set<UiElementDebugId> visible_in_browsing = {
+      UiElementDebugId::kContentQuad,
+      UiElementDebugId::kBackplane,
+      UiElementDebugId::kCeiling,
+      UiElementDebugId::kFloor,
+      UiElementDebugId::kFloorGrid,
+      UiElementDebugId::kUrlBar,
+      UiElementDebugId::kLoadingIndicator,
+      UiElementDebugId::kAudioCaptureIndicator,
+      UiElementDebugId::kVideoCaptureIndicator,
+      UiElementDebugId::kScreenCaptureIndicator};
+
+  manager_->SetWebVrMode(false);
+  manager_->SetAudioCapturingIndicator(true);
+  manager_->SetVideoCapturingIndicator(true);
+  manager_->SetScreenCapturingIndicator(true);
+
+  // Everything should return to original state after leaving webvr.
+  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();
+    EXPECT_EQ(should_be_visible, element->visible());
+  }
+}
 }  // namespace vr_shell