Adding a command line flag to specify renderer process limit

content/browser/renderer_host/render_process_host_browsertest.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_BROWSERTEST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_BROWSERTEST_H_
 #pragma once
 
+#include "base/command_line.h"
 #include "base/process.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "content/public/common/content_switches.h"
 
 
 class GURL;
 
 class RenderProcessHostTest : public InProcessBrowserTest {
  public:
   RenderProcessHostTest();
 
   int RenderProcessHostCount();
   base::ProcessHandle ShowSingletonTab(const GURL& page);
+  void TestProcessOverflow();
+};
+
+class RenderProcessHostTestWithCommandLine : public RenderProcessHostTest {
+ protected:
+  virtual void SetUpCommandLine(CommandLine* command_line) {
+    InProcessBrowserTest::SetUpCommandLine(command_line);
+    command_line->AppendSwitchASCII(switches::kRendererProcessLimit, "1");
+  }
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_BROWSERTEST_H_