Provide URL-related info to the VR HTML UI.

chrome/browser/android/vr_shell/ui_interface.cc

Index: chrome/browser/android/vr_shell/ui_interface.cc
diff --git a/chrome/browser/android/vr_shell/ui_interface.cc b/chrome/browser/android/vr_shell/ui_interface.cc
index 4ad96b4e4b73c4eacd9790cb7822221e71c628b9..10648c2835073f03ffe2ff9b2bcb8d23c582c6d1 100644
--- a/chrome/browser/android/vr_shell/ui_interface.cc
+++ b/chrome/browser/android/vr_shell/ui_interface.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/android/vr_shell/ui_interface.h"
 
 #include "chrome/browser/ui/webui/vr_shell/vr_shell_ui_message_handler.h"
+#include "url/gurl.h"
 
 namespace vr_shell {
 
@@ -14,10 +15,6 @@ UiInterface::UiInterface() {
 
 UiInterface::~UiInterface() {}
 
-void UiInterface::SetUiCommandHandler(UiCommandHandler* handler) {
-  handler_ = handler;
-}
-
 void UiInterface::SetMode(Mode mode) {
   updates_.SetInteger("mode", static_cast<int>(mode));
   FlushUpdates();
@@ -28,6 +25,20 @@ void UiInterface::SetSecureOrigin(bool secure) {
   FlushUpdates();
 }
 
+void UiInterface::SetLoading(bool loading) {
+  updates_.SetBoolean("loading", loading);
+  FlushUpdates();
+}
+
+void UiInterface::SetURL(const GURL& url) {
+  std::unique_ptr<base::DictionaryValue> details(new base::DictionaryValue);
+  details->SetString("host", url.host());
+  details->SetString("path", url.path());
+
+  updates_.Set("url", std::move(details));
+  FlushUpdates();
+}
+
 void UiInterface::OnDomContentsLoaded() {
   loaded_ = true;
 #if defined(ENABLE_VR_SHELL_UI_DEV)
@@ -36,6 +47,10 @@ void UiInterface::OnDomContentsLoaded() {
   FlushUpdates();
 }
 
+void UiInterface::SetUiCommandHandler(UiCommandHandler* handler) {
+  handler_ = handler;
+}
+
 void UiInterface::FlushUpdates() {
   if (loaded_ && handler_) {
     handler_->SendCommandToUi(updates_);