Make sure pages that are closing but not yet closed are still suspended.

third_party/WebKit/Source/web/tests/ChromeClientImplTest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 12 matching lines @@
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/loader/FrameLoadRequest.h"
 #include "core/page/Page.h"
+#include "core/page/ScopedPageSuspender.h"
 #include "public/platform/WebInputEvent.h"
 #include "public/web/WebFrameClient.h"
 #include "public/web/WebLocalFrame.h"
 #include "public/web/WebView.h"
 #include "public/web/WebViewClient.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 #include "web/tests/FrameTestHelpers.h"
 
@@ skipping 218 matching lines @@
   void TearDown() override { m_webView->close(); }
 
   ViewCreatingClient m_webViewClient;
   WebViewImpl* m_webView;
   WebLocalFrame* m_mainFrame;
   FrameTestHelpers::TestWebFrameClient m_webFrameClient;
   Persistent<ChromeClientImpl> m_chromeClientImpl;
 };
 
 TEST_F(CreateWindowTest, CreateWindowFromSuspendedPage) {
-  m_webView->page()->setSuspended(true);
+  ScopedPageSuspender suspender;
   LocalFrame* frame = toWebLocalFrameImpl(m_mainFrame)->frame();
   FrameLoadRequest request(frame->document());
   WindowFeatures features;
   EXPECT_EQ(nullptr,
             m_chromeClientImpl->createWindow(frame, request, features,
                                              NavigationPolicyNewForegroundTab));
-  m_webView->page()->setSuspended(false);
 }
 
 }  // namespace blink