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

content/renderer/pepper/pepper_plugin_delegate_impl.cc

Index: content/renderer/pepper/pepper_plugin_delegate_impl.cc
diff --git a/content/renderer/pepper/pepper_plugin_delegate_impl.cc b/content/renderer/pepper/pepper_plugin_delegate_impl.cc
index feab360d1befa158572ef56c846eb1621294a23a..57c8d074a14fc19ff0d6239bd6484f34f6b5b50b 100644
--- a/content/renderer/pepper/pepper_plugin_delegate_impl.cc
+++ b/content/renderer/pepper/pepper_plugin_delegate_impl.cc
@@ -52,6 +52,7 @@
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/render_widget_fullscreen_pepper.h"
 #include "content/renderer/renderer_clipboard_client.h"
+#include "content/renderer/renderer_restrict_dispatch_group.h"
 #include "content/renderer/webplugin_delegate_proxy.h"
 #include "ipc/ipc_channel_handle.h"
 #include "media/video/capture/video_capture_proxy.h"
@@ -125,7 +126,8 @@ class HostDispatcherWrapper
       dispatcher_delegate_.reset();
       return false;
     }
-    dispatcher_->channel()->SetRestrictDispatchToSameChannel(true);
+    dispatcher_->channel()->SetRestrictDispatchChannelGroup(
+        content::kRendererRestrictDispatchGroup_Pepper);
     return true;
   }