Fix ipc_message_list and suppressions

Re-enable listing/fuzzing of some messages lost by jumbo conversion.
Suppress one batch that is obsolescent.

Change-Id: I563b493732f6523901be450fbf88c667717ead76
Reviewed-on: https://chromium-review.googlesource.com/767208Reviewed-by: Abhishek Arya <inferno@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#516332}

chrome/common/all_messages.h

@@ -19,6 +19,7 @@
 #if BUILDFLAG(ENABLE_PRINTING)
 // TODO(dgn) remove from here when all the code using these messages is removed
 // from /chrome. (crbug.com/311308, crbug.com/450822)
+#undef COMPONENTS_PRINTING_COMMON_PRINT_MESSAGES_H_
 #include "components/printing/common/print_messages.h"  // nogncheck
 #endif
 

tools/ipc_fuzzer/message_tools/message_list.cc

@@ -56,6 +56,7 @@ static bool check_msgtable() {
   exemptions.push_back(CastChannelMsgStart);  // Reserved for chromecast.
   exemptions.push_back(CastMediaMsgStart);    // Reserved for chromecast.
   exemptions.push_back(IPCTestMsgStart);
+  exemptions.push_back(WorkerMsgStart);  // Now only used by tests.
 
 #if !BUILDFLAG(ENABLE_NACL)
   exemptions.push_back(NaClMsgStart);