Hook up insecure content warnings for http webVR presentation.

chrome/browser/android/vr_shell/BUILD.gn

Index: chrome/browser/android/vr_shell/BUILD.gn
diff --git a/chrome/browser/android/vr_shell/BUILD.gn b/chrome/browser/android/vr_shell/BUILD.gn
index e43695690b91c397f7bc3f06a1e3e73121ea614e..9a49bffa49091f125cb9055323a7d0b8cf168e7f 100644
--- a/chrome/browser/android/vr_shell/BUILD.gn
+++ b/chrome/browser/android/vr_shell/BUILD.gn
@@ -30,6 +30,8 @@ if (current_cpu == "arm" || current_cpu == "arm64") {
       "mailbox_to_surface_bridge.h",
       "non_presenting_gvr_delegate.cc",
       "non_presenting_gvr_delegate.h",
+      "textured_element.cc",
+      "textured_element.h",
       "textures/insecure_content_permanent_texture.cc",
       "textures/insecure_content_permanent_texture.h",
       "textures/insecure_content_transient_texture.cc",
@@ -38,6 +40,10 @@ if (current_cpu == "arm" || current_cpu == "arm64") {
       "textures/ui_texture.h",
       "ui_element.cc",
       "ui_element.h",
+      "ui_elements/permanent_security_warning.cc",
+      "ui_elements/permanent_security_warning.h",
+      "ui_elements/transient_security_warning.cc",
+      "ui_elements/transient_security_warning.h",
       "ui_interface.cc",
       "ui_interface.h",
       "ui_scene.cc",