[InfoBar] remove unnecesary checks from some delegates.

chrome/browser/geolocation/geolocation_infobar_delegate.cc

Index: chrome/browser/geolocation/geolocation_infobar_delegate.cc
diff --git a/chrome/browser/geolocation/geolocation_infobar_delegate.cc b/chrome/browser/geolocation/geolocation_infobar_delegate.cc
index fba08a89eafa023f455a41c220ff718af3a046f9..3a8675d33886ca41f2f497abd5e3b5cdc8766553 100644
--- a/chrome/browser/geolocation/geolocation_infobar_delegate.cc
+++ b/chrome/browser/geolocation/geolocation_infobar_delegate.cc
@@ -106,11 +106,10 @@ bool GeolocationInfoBarDelegate::Accept() {
 
 void GeolocationInfoBarDelegate::SetPermission(bool update_content_setting,
                                                bool allowed) {
-  if (web_contents()) {
-    GURL embedder = web_contents()->GetLastCommittedURL().GetOrigin();
-    controller_->OnPermissionSet(id_, requesting_frame_, embedder,
-                                 update_content_setting, allowed);
-  }
+  controller_->OnPermissionSet(
+        id_, requesting_frame_,
+        web_contents()->GetLastCommittedURL().GetOrigin(),
+        update_content_setting, allowed);
 }
 
 void GeolocationInfoBarDelegate::InfoBarDismissed() {