Implement an IsAllowed function in the pepper PPB_Broker_Trusted API

chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc

Index: chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc
diff --git a/chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc b/chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc
index 211fd28934a61ac4c6b393601a29b0045c5c9927..d1fb2af56ebc7c2613f2283efebeaaa82031f82e 100644
--- a/chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc
+++ b/chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
 
+#include "chrome/browser/renderer_host/pepper/pepper_broker_host.h"
 #include "chrome/browser/renderer_host/pepper/pepper_flash_device_id_host.h"
 #include "chrome/browser/renderer_host/pepper/pepper_talk_host.h"
 #include "content/public/browser/browser_ppapi_host.h"
@@ -39,6 +40,9 @@ scoped_ptr<ResourceHost> ChromeBrowserPepperHostFactory::CreateResourceHost(
   if (host_->GetPpapiHost()->permissions().HasPermission(
           ppapi::PERMISSION_PRIVATE)) {
     switch (message.type()) {
+      case PpapiHostMsg_Broker_Create::ID:
+        return scoped_ptr<ResourceHost>(new PepperBrokerHost(
+            host_, instance, params.pp_resource()));
       case PpapiHostMsg_FlashDeviceID_Create::ID:
         return scoped_ptr<ResourceHost>(new PepperFlashDeviceIDHost(
             host_, instance, params.pp_resource()));