VR: Use ToolbarModel to drive VR URL bar state.

chrome/browser/android/vr_shell/vr_web_contents_observer.cc

Index: chrome/browser/android/vr_shell/vr_web_contents_observer.cc
diff --git a/chrome/browser/android/vr_shell/vr_web_contents_observer.cc b/chrome/browser/android/vr_shell/vr_web_contents_observer.cc
index 0a60565bddff8f41ffaff9be4f9846f98fb59e6a..aec6c6fe46c6ec33de02d1e8bfd192c614fec9da 100644
--- a/chrome/browser/android/vr_shell/vr_web_contents_observer.cc
+++ b/chrome/browser/android/vr_shell/vr_web_contents_observer.cc
@@ -4,11 +4,9 @@
 
 #include "chrome/browser/android/vr_shell/vr_web_contents_observer.h"
 
+#include "chrome/browser/android/vr_shell/toolbar_helper.h"
 #include "chrome/browser/android/vr_shell/ui_interface.h"
 #include "chrome/browser/android/vr_shell/vr_shell.h"
-#include "chrome/browser/ssl/security_state_tab_helper.h"
-#include "components/security_state/core/security_state.h"
-#include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
@@ -16,13 +14,14 @@
 namespace vr_shell {
 
 VrWebContentsObserver::VrWebContentsObserver(content::WebContents* web_contents,
+                                             VrShell* vr_shell,
                                              UiInterface* ui_interface,
-                                             VrShell* vr_shell)
+                                             ToolbarHelper* toolbar)
     : WebContentsObserver(web_contents),
+      vr_shell_(vr_shell),
       ui_interface_(ui_interface),
-      vr_shell_(vr_shell) {
-  ui_interface_->SetURL(web_contents->GetVisibleURL());
-  DidChangeVisibleSecurityState();
+      toolbar_(toolbar) {
+  toolbar_->Update();
 }
 
 VrWebContentsObserver::~VrWebContentsObserver() {}
@@ -41,33 +40,21 @@ void VrWebContentsObserver::DidStopLoading() {
 
 void VrWebContentsObserver::DidStartNavigation(
     content::NavigationHandle* navigation_handle) {
-  if (navigation_handle->IsInMainFrame()) {
-    ui_interface_->SetURL(navigation_handle->GetURL());
-  }
+  toolbar_->Update();
 }
 
 void VrWebContentsObserver::DidRedirectNavigation(
     content::NavigationHandle* navigation_handle) {
-  if (navigation_handle->IsInMainFrame()) {
-    ui_interface_->SetURL(navigation_handle->GetURL());
-  }
+  toolbar_->Update();
 }
 
 void VrWebContentsObserver::DidFinishNavigation(
     content::NavigationHandle* navigation_handle) {
-  if (navigation_handle->IsInMainFrame()) {
-    ui_interface_->SetURL(navigation_handle->GetURL());
-  }
+  toolbar_->Update();
 }
 
 void VrWebContentsObserver::DidChangeVisibleSecurityState() {
-  const auto* helper = SecurityStateTabHelper::FromWebContents(web_contents());
-  DCHECK(helper);
-  security_state::SecurityInfo security_info;
-  helper->GetSecurityInfo(&security_info);
-  bool malware = (security_info.malicious_content_status !=
-                  security_state::MALICIOUS_CONTENT_STATUS_NONE);
-  ui_interface_->SetSecurityInfo(security_info.security_level, malware);
+  toolbar_->Update();
 }
 
 void VrWebContentsObserver::DidToggleFullscreenModeForTab(