Remove InfoBarDelegate::web_contents()

chrome/browser/media/protected_media_identifier_infobar_delegate.cc

Index: chrome/browser/media/protected_media_identifier_infobar_delegate.cc
diff --git a/chrome/browser/media/protected_media_identifier_infobar_delegate.cc b/chrome/browser/media/protected_media_identifier_infobar_delegate.cc
index daccea1a23c283ad5ee64297a22079dc95a2cce8..1b0277dfd4f436a6d4685c449869f850bad41d2b 100644
--- a/chrome/browser/media/protected_media_identifier_infobar_delegate.cc
+++ b/chrome/browser/media/protected_media_identifier_infobar_delegate.cc
@@ -24,8 +24,10 @@ InfoBar* ProtectedMediaIdentifierInfoBarDelegate::Create(
     const PermissionRequestID& id,
     const GURL& requesting_frame,
     const std::string& display_languages) {
+  content::WebContents* web_contents =
+      InfoBarService::WebContentsFromInfoBar(infobar());
   const content::NavigationEntry* committed_entry =
-      infobar_service->web_contents()->GetController().GetLastCommittedEntry();
+      infobar_service->web_contents->GetController().GetLastCommittedEntry();
   return infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
       scoped_ptr<ConfirmInfoBarDelegate>(
           new ProtectedMediaIdentifierInfoBarDelegate(
@@ -62,8 +64,10 @@ bool ProtectedMediaIdentifierInfoBarDelegate::Accept() {
 void ProtectedMediaIdentifierInfoBarDelegate::SetPermission(
     bool update_content_setting,
     bool allowed) {
+  content::WebContents* web_contents =
+      InfoBarService::WebContentsFromInfoBar(infobar());
   controller_->OnPermissionSet(id_, requesting_frame_,
-                               web_contents()->GetLastCommittedURL(),
+                               web_contents->GetLastCommittedURL(),
                                update_content_setting, allowed);
 }