Fix RenderWidgetHostViewGuest leak.

chrome/browser/apps/web_view_browsertest.cc

 // Copyright 2013 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/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/chrome_content_browser_client.h"
 #include "chrome/browser/prerender/prerender_link_manager.h"
@@ skipping 1199 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestResizeWebviewResizesContent) {
   TestHelper("testResizeWebviewResizesContent",
              "web_view/shim",
              NO_TEST_SERVER);
 }
 
 // This test makes sure we do not crash if app is closed while interstitial
 // page is being shown in guest.
-// Disabled under LeakSanitizer due to memory leaks. http://crbug.com/321662
-#if defined(LEAK_SANITIZER)
-#define MAYBE_InterstitialTeardown DISABLED_InterstitialTeardown
-#else
-#define MAYBE_InterstitialTeardown InterstitialTeardown
-#endif
-IN_PROC_BROWSER_TEST_F(WebViewTest, MAYBE_InterstitialTeardown) {
+IN_PROC_BROWSER_TEST_F(WebViewTest, InterstitialTeardown) {
 #if defined(OS_WIN)
   // Flaky on XP bot http://crbug.com/297014
   if (base::win::GetVersion() <= base::win::VERSION_XP)
     return;
 #endif
 
   // Start a HTTPS server so we can load an interstitial page inside guest.
   net::SpawnedTestServer::SSLOptions ssl_options;
   ssl_options.server_certificate =
       net::SpawnedTestServer::SSLOptions::CERT_MISMATCHED_NAME;
@@ skipping 1070 matching lines @@
 // http://crbug.com/403325
 #define MAYBE_WebViewInBackgroundPage \
     DISABLED_WebViewInBackgroundPage
 #else
 #define MAYBE_WebViewInBackgroundPage WebViewInBackgroundPage
 #endif
 IN_PROC_BROWSER_TEST_F(WebViewTest, MAYBE_WebViewInBackgroundPage) {
   ASSERT_TRUE(RunExtensionTest("platform_apps/web_view/background"))
       << message_;
 }