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

chrome/browser/intents/register_intent_handler_infobar_delegate.h

Index: chrome/browser/intents/register_intent_handler_infobar_delegate.h
diff --git a/chrome/browser/intents/register_intent_handler_infobar_delegate.h b/chrome/browser/intents/register_intent_handler_infobar_delegate.h
index b4aa263ebfe1f8719c1a3ff73b39786569aa2938..a2a71280782208db941a35a7a64b7687ef58a888 100644
--- a/chrome/browser/intents/register_intent_handler_infobar_delegate.h
+++ b/chrome/browser/intents/register_intent_handler_infobar_delegate.h
@@ -13,6 +13,8 @@
 
 class InfoBarTabHelper;
 class WebIntentsRegistry;
+class FaviconService;
+class GURL;
 
 // The InfoBar used to request permission for a site to be registered as an
 // Intent handler.
@@ -21,7 +23,9 @@ class RegisterIntentHandlerInfoBarDelegate : public ConfirmInfoBarDelegate {
   RegisterIntentHandlerInfoBarDelegate(
       InfoBarTabHelper* infobar_helper,
       WebIntentsRegistry* registry,
-      const webkit_glue::WebIntentServiceData& service);
+      const webkit_glue::WebIntentServiceData& service,
+      FaviconService* favicon_service,
+      const GURL& origin_url);
 
   // ConfirmInfoBarDelegate implementation.
   virtual Type GetInfoBarType() const OVERRIDE;
@@ -37,10 +41,14 @@ class RegisterIntentHandlerInfoBarDelegate : public ConfirmInfoBarDelegate {
   // may be shown. Must not be NULL.
   // |registry| is the data source for web intents. Must not be NULL.
   // |service| is the candidate service to show the infobar for.
+  // |favicon_service| is the favicon service to use. Must not be NULL.
+  // |origin_url| is the URL that the intent is registered from.
   static void MaybeShowIntentInfoBar(
       InfoBarTabHelper* infobar_helper,
       WebIntentsRegistry* registry,
-      const webkit_glue::WebIntentServiceData& service);
+      const webkit_glue::WebIntentServiceData& service,
+      FaviconService* favicon_service,
+      const GURL& origin_url);
 
  private:
   // The web intents registry to use. Weak pointer.
@@ -49,6 +57,12 @@ class RegisterIntentHandlerInfoBarDelegate : public ConfirmInfoBarDelegate {
   // The cached intent service data bundle passed up from the renderer.
   webkit_glue::WebIntentServiceData service_;
 
+  // The favicon service to use. Weak pointer.
+  FaviconService* favicon_service_;
+
+  // The URL of the page the service was originally registered from.
+  GURL origin_url_;
+
   DISALLOW_COPY_AND_ASSIGN(RegisterIntentHandlerInfoBarDelegate);
 };