Simplify tests by using Web*Impl types directly.

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

 /*
  * Copyright (C) 2015 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 111 matching lines @@
         webViewImpl()->handleInputEvent(generateEvent(WebInputEvent::GestureScrollEnd));
     }
 
     Element* getElementById(const WebString& id)
     {
         return static_cast<Element*>(
             webViewImpl()->mainFrame()->document().getElementById(id));
     }
 
 
-    WebViewImpl* webViewImpl() const { return m_helper.webViewImpl(); }
-    LocalFrame* frame() const { return m_helper.webViewImpl()->mainFrameImpl()->frame(); }
-    VisualViewport& visualViewport() const { return m_helper.webViewImpl()->page()->frameHost().visualViewport(); }
+    WebViewImpl* webViewImpl() const { return m_helper.webView(); }
+    LocalFrame* frame() const { return m_helper.webView()->mainFrameImpl()->frame(); }
+    VisualViewport& visualViewport() const { return m_helper.webView()->page()->frameHost().visualViewport(); }
 
 private:
     std::string m_baseURL;
     FrameTestHelpers::WebViewHelper m_helper;
 };
 
 #define EXPECT_POINT_EQ(expected, actual)               \
     do {                                                \
         EXPECT_DOUBLE_EQ((expected).x(), (actual).x()); \
         EXPECT_DOUBLE_EQ((expected).y(), (actual).y()); \
@@ skipping 680 matching lines @@
 
         ASSERT_EQ(80.f, webView->topControls().contentOffset());
         EXPECT_EQ(expectedRootOffset, rootViewport->scrollPosition().y());
 
         webView->handleInputEvent(
             generateEvent(WebInputEvent::GestureScrollEnd));
     }
 }
 
 } // namespace blink