Added regression test for event listeners memory leak.

webkit/tools/test_shell/node_leak_test.cc

 // Copyright (c) 2006-2008 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/command_line.h"
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "net/http/http_cache.h"
 #include "net/url_request/url_request_context.h"
@@ skipping 14 matching lines @@
 // can be printed upon termination.  This is only enabled in debug builds, so
 // it only makes sense to run this using a debug build.
 //
 // It will load a URL, visit about:blank, and then perform garbage collection.
 // The number of remaining (potentially leaked) nodes will be printed on exit.
 class NodeLeakTest : public TestShellTest {
  public:
   virtual void SetUp() {
     const CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
 
-    std::wstring js_flags =
-        parsed_command_line.GetSwitchValue(test_shell::kJavaScriptFlags);
-    js_flags += L" --expose-gc";
-    webkit_glue::SetJavaScriptFlags(js_flags);
-
     FilePath cache_path = FilePath::FromWStringHack(
         parsed_command_line.GetSwitchValue(test_shell::kCacheDir));
     if (cache_path.empty()) {
       PathService::Get(base::DIR_EXE, &cache_path);
       cache_path = cache_path.AppendASCII("cache");
     }
 
     if (parsed_command_line.HasSwitch(test_shell::kTestShellTimeOut)) {
       const std::wstring timeout_str = parsed_command_line.GetSwitchValue(
           test_shell::kTestShellTimeOut);
@@ skipping 29 matching lines @@
 };
 
 TEST_F(NodeLeakTest, TestURL) {
   const CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
   if (parsed_command_line.HasSwitch(kTestUrlSwitch)) {
     NavigateToURL(parsed_command_line.GetSwitchValue(kTestUrlSwitch).c_str());
   }
 }
 
 }  // namespace