Provide assumed favicon for intents if service provider page was never visited.

chrome/browser/intents/register_intent_handler_infobar_delegate.cc

Index: chrome/browser/intents/register_intent_handler_infobar_delegate.cc
diff --git a/chrome/browser/intents/register_intent_handler_infobar_delegate.cc b/chrome/browser/intents/register_intent_handler_infobar_delegate.cc
index c0914323c1c1e8b9caedce3669f0a6d7c4a44ec9..e32e42dab7f20114bdec771b2d68170540532588 100644
--- a/chrome/browser/intents/register_intent_handler_infobar_delegate.cc
+++ b/chrome/browser/intents/register_intent_handler_infobar_delegate.cc
@@ -6,6 +6,7 @@
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/favicon/favicon_service.h"
 #include "chrome/browser/intents/web_intents_registry.h"
 #include "chrome/browser/intents/web_intents_registry_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ -15,10 +16,14 @@
 RegisterIntentHandlerInfoBarDelegate::RegisterIntentHandlerInfoBarDelegate(
     InfoBarTabHelper* infobar_helper,
     WebIntentsRegistry* registry,
-    const webkit_glue::WebIntentServiceData& service)
+    const webkit_glue::WebIntentServiceData& service,
+    FaviconService* favicon_service,
+    const GURL& origin_url)
     : ConfirmInfoBarDelegate(infobar_helper),
       registry_(registry),
-      service_(service) {
+      service_(service),
+      favicon_service_(favicon_service),
+      origin_url_(origin_url) {
 }
 
 InfoBarDelegate::Type
@@ -46,6 +51,11 @@ string16 RegisterIntentHandlerInfoBarDelegate::GetButtonLabel(
 
 bool RegisterIntentHandlerInfoBarDelegate::Accept() {
   registry_->RegisterIntentProvider(service_);
+
+  // Register a temporary FavIcon in case we never visited the provider page.
+  if (favicon_service_ && origin_url_ != service_.service_url)
+    favicon_service_->CloneFavicon(origin_url_, service_.service_url);
+
   return true;
 }