Add two new debug URLs for Pepper Flash:

ppapi/proxy/ppapi_messages.h

Index: ppapi/proxy/ppapi_messages.h
diff --git a/ppapi/proxy/ppapi_messages.h b/ppapi/proxy/ppapi_messages.h
index 62f6c1532bdc8c2083b52397d6ff3565a486e725..9cdb7abfe861d7ae5e42e4e5acffea4a44a3d105 100644
--- a/ppapi/proxy/ppapi_messages.h
+++ b/ppapi/proxy/ppapi_messages.h
@@ -313,6 +313,12 @@ IPC_MESSAGE_CONTROL4(PpapiMsg_CreateNaClChannel,
                      bool /* incognito */,
                      ppapi::proxy::SerializedHandle /* channel_handle */)
 
+// Instructs the plugin process to crash.
+IPC_MESSAGE_CONTROL0(PpapiMsg_Crash)
+
+// Instructs the plugin process to hang.
+IPC_MESSAGE_CONTROL0(PpapiMsg_Hang)
+
 // Each plugin may be referenced by multiple renderers. We need the instance
 // IDs to be unique within a plugin, despite coming from different renderers,
 // and unique within a renderer, despite going to different plugins. This means