Move RequestPpapiBrokerPermission from WebContentsObserver to WebContentsDelegate.

chrome/browser/ui/views/external_tab_container_win.cc

Index: chrome/browser/ui/views/external_tab_container_win.cc
diff --git a/chrome/browser/ui/views/external_tab_container_win.cc b/chrome/browser/ui/views/external_tab_container_win.cc
index bab0013686c1a229cf95d21d20f6d6e8ae7ea596..85337312f3f203ab434f907ed7b050e9ad156c87 100644
--- a/chrome/browser/ui/views/external_tab_container_win.cc
+++ b/chrome/browser/ui/views/external_tab_container_win.cc
@@ -25,6 +25,7 @@
 #include "chrome/browser/history/history_tab_helper.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
+#include "chrome/browser/pepper_broker_infobar_delegate.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/repost_form_warning_controller.h"
 #include "chrome/browser/themes/theme_service.h"
@@ -826,6 +827,15 @@ void ExternalTabContainerWin::RequestMediaAccessPermission(
   Browser::RequestMediaAccessPermissionHelper(web_contents, request, callback);
 }
 
+bool ExternalTabContainerWin::RequestPpapiBrokerPermission(
+    WebContents* web_contents,
+    const GURL& url,
+    const FilePath& plugin_path,
+    const base::Callback<void(bool)>& callback) {
+  PepperBrokerInfoBarDelegate::Show(web_contents, url, plugin_path, callback);
+  return true;
+}
+
 bool ExternalTabContainerWin::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExternalTabContainerWin, message)