IPC: change sync channel dispatch restriction to allow dispatch to other channels within the same "…

content/renderer/pepper/pepper_broker_impl.cc

Index: content/renderer/pepper/pepper_broker_impl.cc
diff --git a/content/renderer/pepper/pepper_broker_impl.cc b/content/renderer/pepper/pepper_broker_impl.cc
index 6d86d0b4dcafafd1dd89f3fd520a22a8d3946b60..e3781d8cdf5beb18bee88b99a68d0ade22e96558 100644
--- a/content/renderer/pepper/pepper_broker_impl.cc
+++ b/content/renderer/pepper/pepper_broker_impl.cc
@@ -7,6 +7,7 @@
 #include "build/build_config.h"
 #include "content/renderer/pepper/pepper_plugin_delegate_impl.h"
 #include "content/renderer/pepper/pepper_proxy_channel_delegate_impl.h"
+#include "content/renderer/renderer_restrict_dispatch_group.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ppapi/proxy/broker_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ -74,7 +75,8 @@ bool PepperBrokerDispatcherWrapper::Init(
     dispatcher_delegate_.reset();
     return false;
   }
-  dispatcher_->channel()->SetRestrictDispatchToSameChannel(true);
+  dispatcher_->channel()->SetRestrictDispatchChannelGroup(
+      content::kRendererRestrictDispatchGroup_Pepper);
   return true;
 }