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 56ab19c53bb077014a4a2ff0210992b012c98fab..9cd3d885fbfcd7e2f2631a9a19d926b07002529b 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"
@@ -827,6 +828,14 @@ void ExternalTabContainerWin::RequestMediaAccessPermission(
   Browser::RequestMediaAccessPermissionHelper(web_contents, request, callback);
 }
 
+void 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);
+}
+
 bool ExternalTabContainerWin::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ExternalTabContainerWin, message)