Identity API: web-based scope approval dialogs for getAuthToken

chrome/browser/extensions/api/identity/web_auth_flow.cc

Index: chrome/browser/extensions/api/identity/web_auth_flow.cc
diff --git a/chrome/browser/extensions/api/identity/web_auth_flow.cc b/chrome/browser/extensions/api/identity/web_auth_flow.cc
index dd76b47244194855d01f6c31b50b4eb0c8e9122e..3f2d9454f1b297ca13655721ebfac204144cf477 100644
--- a/chrome/browser/extensions/api/identity/web_auth_flow.cc
+++ b/chrome/browser/extensions/api/identity/web_auth_flow.cc
@@ -5,11 +5,13 @@
 #include "chrome/browser/extensions/api/identity/web_auth_flow.h"
 
 #include "base/location.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "content/public/browser/load_notification_details.h"
 #include "content/public/browser/navigation_controller.h"
+#include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
@@ -72,6 +74,10 @@ void WebAuthFlow::Start() {
       this,
       content::NOTIFICATION_RESOURCE_RECEIVED_REDIRECT,
       content::Source<WebContents>(contents_));
+  registrar_.Add(
+      this,
+      content::NOTIFICATION_WEB_CONTENTS_TITLE_UPDATED,
+      content::Source<WebContents>(contents_));
 
   controller->LoadURL(
       provider_url_,
@@ -129,6 +135,15 @@ void WebAuthFlow::Observe(int type,
         BeforeUrlLoaded(redirect_details->new_url);
     }
     break;
+    case content::NOTIFICATION_WEB_CONTENTS_TITLE_UPDATED: {
+      std::pair<content::NavigationEntry*, bool>* title =
+          content::Details<
+            std::pair<content::NavigationEntry*, bool> >(details).ptr();
+
+      if (title->first)
+        delegate_->OnAuthFlowTitleChange(UTF16ToUTF8(title->first->GetTitle()));
+    }
+    break;
     default:
       NOTREACHED() << "Got a notification that we did not register for: "
                    << type;