Obey --wait-for-debugger in the render process.

content/renderer/renderer_main.cc

 // Copyright (c) 2011 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 "base/base_switches.h"
 #include "base/command_line.h"
+#include "base/debug/debugger.h"
 #include "base/debug/trace_event.h"
 #include "base/i18n/rtl.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/memory/ref_counted.h"
 #include "base/metrics/field_trial.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/stats_counters.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
@@ skipping 67 matching lines @@
   }
 #endif  // !defined(OFFICIAL_BUILD)
 
 
   // This parameter causes a null pointer crash (crash reporter trigger).
   if (command_line.HasSwitch(switches::kRendererCrashTest)) {
     int* bad_pointer = NULL;
     *bad_pointer = 0;
   }
 
-  if (command_line.HasSwitch(switches::kRendererStartupDialog)) {
+  if (command_line.HasSwitch(switches::kWaitForDebugger))
+    base::debug::WaitForDebugger(60, true);
+
+  if (command_line.HasSwitch(switches::kRendererStartupDialog))
     ChildProcess::WaitForDebugger("Renderer");
-  }
 }
 
 // This is a simplified version of the browser Jankometer, which measures
 // the processing time of tasks on the render thread.
 class RendererMessageLoopObserver : public MessageLoop::TaskObserver {
  public:
   RendererMessageLoopObserver()
       : process_times_(base::Histogram::FactoryGet(
             "Chrome.ProcMsgL RenderThread",
             1, 3600000, 50, base::Histogram::kUmaTargetedHistogramFlag)) {}
@@ skipping 120 matching lines @@
         pool->Recycle();
       TRACE_EVENT_BEGIN_ETW("RendererMain.START_MSG_LOOP", 0, 0);
       MessageLoop::current()->Run();
       TRACE_EVENT_END_ETW("RendererMain.START_MSG_LOOP", 0, 0);
     }
   }
   platform.PlatformUninitialize();
   TRACE_EVENT_END_ETW("RendererMain", 0, "");
   return 0;
 }