Move RequestPpapiBrokerPermission from WebContentsObserver to WebContentsDelegate.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 3e3fd4781e5f16feded4f466e5b376271ef41a98..08e69c1b8a73cbffd5736e91ef1b9f8e56cbbd6b 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -67,6 +67,7 @@
 #include "chrome/browser/media/media_stream_devices_controller.h"
 #include "chrome/browser/net/url_fixer_upper.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
+#include "chrome/browser/pepper_broker_infobar_delegate.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ -1745,6 +1746,14 @@ void Browser::RequestMediaAccessPermission(
   RequestMediaAccessPermissionHelper(web_contents, request, callback);
 }
 
+void Browser::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);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, CoreTabHelperDelegate implementation: