Simplify tests by using Web*Impl types directly.

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

 /*
  * Copyright (C) 2011 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 105 matching lines @@
         FrameTestHelpers::loadFrame(mainFrameImpl(), url.utf8().data());
         SingleLinkRewritingDelegate delegate(parsedURL, WebString("local"));
         SimpleWebFrameSerializerClient serializerClient;
         WebFrameSerializer::serialize(
             mainFrameImpl(), &serializerClient, &delegate);
         return serializerClient.toString();
     }
 
     WebLocalFrameImpl* mainFrameImpl()
     {
-        return m_helper.webViewImpl()->mainFrameImpl();
+        return m_helper.webView()->mainFrameImpl();
     }
 
 private:
     FrameTestHelpers::WebViewHelper m_helper;
 };
 
 TEST_F(WebFrameSerializerTest, URLAttributeValues)
 {
     registerMockedImageURL("javascript:\"");
 
@@ skipping 22 matching lines @@
     EXPECT_EQ(expectedHTML, actualHTML);
 }
 
 TEST_F(WebFrameSerializerTest, FromUrlWithMinusMinus)
 {
     String actualHTML = serializeFile("http://www.test.com?--x--", "text_only_page.html");
     EXPECT_EQ("<!-- saved from url=(0030)http://www.test.com/?-%2Dx-%2D -->", actualHTML.substring(1, 60));
 }
 
 } // namespace blink