Remove Frame::host() method

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

 /*
  * Copyright (C) 2011, 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 4108 matching lines @@
   webView->setOpenedByDOM();
 
   LocalFrame* mainFrame = toLocalFrame(page->mainFrame());
   EXPECT_FALSE(mainFrame->domWindow()->closed());
 
   mainFrame->domWindow()->close(nullptr);
   // The window should be marked closed...
   EXPECT_TRUE(mainFrame->domWindow()->closed());
   // EXPECT_TRUE(page->isClosing());
   // ...but not yet detached.
-  EXPECT_TRUE(mainFrame->host());
+  EXPECT_TRUE(mainFrame->page());
 
   {
     ScopedPageSuspender suspender;
     EXPECT_TRUE(page->suspended());
   }
 }
 
 TEST_P(WebViewTest, ForceAndResetViewport) {
   registerMockedHttpURLLoad("200-by-300.html");
   WebViewImpl* webViewImpl =
@@ skipping 288 matching lines @@
   EXPECT_FALSE(frameView->visualViewportSuppliesScrollbars());
   if (RuntimeEnabledFeatures::rootLayerScrollingEnabled()) {
     EXPECT_NE(nullptr,
               frameView->layoutViewportScrollableArea()->verticalScrollbar());
   } else {
     EXPECT_NE(nullptr, frameView->verticalScrollbar());
   }
 }
 
 }  // namespace blink