Switch the inheritance of WebViewClient from WebWidgetClient to protected.

third_party/WebKit/Source/web/PageOverlayTest.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "web/PageOverlay.h"
 
 #include "core/frame/FrameView.h"
 #include "core/layout/LayoutView.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/GraphicsContext.h"
@@ skipping 53 matching lines @@
     Color m_color;
 };
 
 class PageOverlayTest : public ::testing::Test {
 protected:
     enum CompositingMode { AcceleratedCompositing, UnacceleratedCompositing };
 
     void initialize(CompositingMode compositingMode)
     {
         m_helper.initialize(
-            false /* enableJavascript */, nullptr /* webFrameClient */, nullptr /* webViewClient */,
+            false /* enableJavascript */, nullptr /* webFrameClient */, nullptr /* webViewClient */, nullptr /* webWidgetClient */,
             compositingMode == AcceleratedCompositing ? enableAcceleratedCompositing : disableAcceleratedCompositing);
         webViewImpl()->resize(WebSize(viewportWidth, viewportHeight));
         webViewImpl()->updateAllLifecyclePhases();
         ASSERT_EQ(compositingMode == AcceleratedCompositing, webViewImpl()->isAcceleratedCompositingActive());
     }
 
     WebViewImpl* webViewImpl() const { return m_helper.webViewImpl(); }
 
     PassOwnPtr<PageOverlay> createSolidYellowOverlay()
     {
@@ skipping 58 matching lines @@
 {
     initialize(AcceleratedCompositing);
     OwnPtr<PageOverlay> pageOverlay = createSolidYellowOverlay();
     pageOverlay->update();
     webViewImpl()->updateAllLifecyclePhases();
     EXPECT_EQ(LayoutRect(0, 0, viewportWidth, viewportHeight), pageOverlay->visualRect());
 }
 
 } // namespace
 } // namespace blink