Adding a command line flag to specify renderer process limit

chrome/browser/extensions/isolated_app_browsertest.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/utf_string_conversions.h"
 #include "chrome/browser/automation/automation_util.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 157 matching lines @@
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(2), "app1=3"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(2), "app2=4"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(2), "nonAppFrame=6"));
 }
 
 // Ensure that an isolated app never shares a process with WebUIs, non-isolated
 // extensions, and normal webpages.  None of these should ever comingle
 // RenderProcessHosts even if we hit the process limit.
 IN_PROC_BROWSER_TEST_F(IsolatedAppTest, ProcessOverflow) {
   // Set max renderers to 1 to force running out of processes.
-  content::RenderProcessHost::SetMaxRendererProcessCountForTest(1);
+  content::RenderProcessHost::SetMaxRendererProcessCount(1);
 
   host_resolver()->AddRule("*", "127.0.0.1");
   ASSERT_TRUE(test_server()->Start());
 
   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app1")));
   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app2")));
   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("hosted_app")));
   ASSERT_TRUE(
       LoadExtension(test_data_dir_.AppendASCII("api_test/app_process")));
 
@@ skipping 105 matching lines @@
   EXPECT_NE(hosted1_host, web1_host);
   EXPECT_NE(hosted1_host, extension1_host);
 
   // Web pages only share with each other.
   EXPECT_EQ(web1_host, web2_host);
   EXPECT_NE(web1_host, extension1_host);
 
   // Extensions only share with each other.
   EXPECT_EQ(extension1_host, extension2_host);
 }