Make gpu black list work again on Linux

content/gpu/gpu_main.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 #include <stdlib.h>
 
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 110 matching lines @@
   std::string message = str.substr(message_start);
   deferred_messages.Get().push(new GpuHostMsg_OnLogMessage(
       severity, header, message));
   return false;
 }
 
 }  // namespace anonymous
 
 // Main function for starting the Gpu process.
 int GpuMain(const MainFunctionParams& parameters) {
+  DVLOG(1) << "gpu process running";
+
   TRACE_EVENT0("gpu", "GpuMain");
   base::trace_event::TraceLog::GetInstance()->SetProcessName("GPU Process");
   base::trace_event::TraceLog::GetInstance()->SetProcessSortIndex(
       kTraceEventGpuProcessSortIndex);
 
   const base::CommandLine& command_line = parameters.command_line;
   if (command_line.HasSwitch(switches::kGpuStartupDialog)) {
     ChildProcess::WaitForDebugger("Gpu");
   }
 
@@ skipping 436 matching lines @@
     return true;
   }
 
   return false;
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace.
 
 }  // namespace content