Make WebNode::to<Type>() (and toConst) casts contain type asserts.

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

 /*
  * Copyright (C) 2010 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 5327 matching lines @@
 TEST_P(ParameterizedWebFrameTest, SlowSpellcheckMarkerPosition)
 {
     registerMockedHttpURLLoad("spell.html");
     FrameTestHelpers::WebViewHelper webViewHelper(this);
     webViewHelper.initializeAndLoad(m_baseURL + "spell.html");
 
     StubbornSpellCheckClient spellcheck;
     webViewHelper.webView()->setSpellCheckClient(&spellcheck);
 
     WebLocalFrameImpl* frame = toWebLocalFrameImpl(webViewHelper.webView()->mainFrame());
-    WebInputElement webInputElement = frame->document().getElementById("data").to<WebInputElement>();
     Document* document = frame->frame()->document();
     Element* element = document->getElementById("data");
 
     webViewHelper.webView()->settings()->setAsynchronousSpellCheckingEnabled(true);
     webViewHelper.webView()->settings()->setUnifiedTextCheckerEnabled(true);
     webViewHelper.webView()->settings()->setEditingBehavior(WebSettings::EditingBehaviorWin);
 
     element->focus();
     NonThrowableExceptionState exceptionState;
     document->execCommand("InsertText", false, "wellcome ", exceptionState);
     EXPECT_FALSE(exceptionState.hadException());
-    webInputElement.setSelectionRange(0, 0);
     document->execCommand("InsertText", false, "he", exceptionState);
     EXPECT_FALSE(exceptionState.hadException());
 
     spellcheck.kick();
 
     WebVector<uint32_t> documentMarkers;
     webViewHelper.webView()->spellingMarkers(&documentMarkers);
     EXPECT_EQ(0U, documentMarkers.size());
 }
 
@@ skipping 22 matching lines @@
 TEST_P(ParameterizedWebFrameTest, SpellcheckResultErasesMarkers)
 {
     registerMockedHttpURLLoad("spell.html");
     FrameTestHelpers::WebViewHelper webViewHelper(this);
     webViewHelper.initializeAndLoad(m_baseURL + "spell.html");
 
     StubbornSpellCheckClient spellcheck;
     webViewHelper.webView()->setSpellCheckClient(&spellcheck);
 
     WebLocalFrameImpl* frame = toWebLocalFrameImpl(webViewHelper.webView()->mainFrame());
-    WebInputElement webInputElement = frame->document().getElementById("data").to<WebInputElement>();
     Document* document = frame->frame()->document();
     Element* element = document->getElementById("data");
 
     webViewHelper.webView()->settings()->setAsynchronousSpellCheckingEnabled(true);
     webViewHelper.webView()->settings()->setUnifiedTextCheckerEnabled(true);
     webViewHelper.webView()->settings()->setEditingBehavior(WebSettings::EditingBehaviorWin);
 
     element->focus();
     NonThrowableExceptionState exceptionState;
     document->execCommand("InsertText", false, "welcome ", exceptionState);
@@ skipping 11 matching lines @@
 TEST_P(ParameterizedWebFrameTest, SpellcheckResultsSavedInDocument)
 {
     registerMockedHttpURLLoad("spell.html");
     FrameTestHelpers::WebViewHelper webViewHelper(this);
     webViewHelper.initializeAndLoad(m_baseURL + "spell.html");
 
     StubbornSpellCheckClient spellcheck;
     webViewHelper.webView()->setSpellCheckClient(&spellcheck);
 
     WebLocalFrameImpl* frame = toWebLocalFrameImpl(webViewHelper.webView()->mainFrame());
-    WebInputElement webInputElement = frame->document().getElementById("data").to<WebInputElement>();
     Document* document = frame->frame()->document();
     Element* element = document->getElementById("data");
 
     webViewHelper.webView()->settings()->setAsynchronousSpellCheckingEnabled(true);
     webViewHelper.webView()->settings()->setUnifiedTextCheckerEnabled(true);
     webViewHelper.webView()->settings()->setEditingBehavior(WebSettings::EditingBehaviorWin);
 
     element->focus();
     NonThrowableExceptionState exceptionState;
     document->execCommand("InsertText", false, "wellcome ", exceptionState);
@@ skipping 2776 matching lines @@
 
 TEST_F(WebFrameTest, MaxFramesDetach)
 {
     registerMockedHttpURLLoad("max-frames-detach.html");
     FrameTestHelpers::WebViewHelper webViewHelper;
     WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(m_baseURL + "max-frames-detach.html", true);
     webViewImpl->mainFrameImpl()->collectGarbage();
 }
 
 } // namespace blink