Switch the inheritance of WebViewClient from WebWidgetClient to protected.

third_party/WebKit/Source/web/tests/CompositorWorkerTest.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 "core/frame/FrameView.h"
 #include "core/layout/api/LayoutViewItem.h"
 #include "core/layout/compositing/CompositedLayerMapping.h"
 #include "core/layout/compositing/PaintLayerCompositor.h"
 #include "core/page/Page.h"
 #include "platform/graphics/CompositorMutableProperties.h"
@@ skipping 13 matching lines @@
 #include <gtest/gtest.h>
 
 namespace blink {
 
 class CompositorWorkerTest : public testing::Test {
 public:
     CompositorWorkerTest()
         : m_baseURL("http://www.test.com/")
     {
         RuntimeEnabledFeatures::setCompositorWorkerEnabled(true);
-        m_helper.initialize(true, 0, &m_mockWebViewClient, &configureSettings);
+        m_helper.initialize(true, nullptr, &m_mockWebViewClient, nullptr, &configureSettings);
         webViewImpl()->resize(IntSize(320, 240));
     }
 
     ~CompositorWorkerTest() override
     {
         Platform::current()->getURLLoaderMockFactory()->unregisterAllURLs();
         WebCache::clear();
     }
 
     void navigateTo(const String& url)
@@ skipping 253 matching lines @@
     {
         const String& transformValue =  document->domWindow()->getComputedStyle(proxiedElement, String())->getPropertyValueInternal(CSSPropertyTransform);
         EXPECT_EQ("matrix3d(11, 12, 13, 14, 21, 22, 23, 24, 31, 32, 33, 34, 41, 42, 43, 44)", transformValue);
 
         const String& opacityValue = document->domWindow()->getComputedStyle(proxiedElement, String())->getPropertyValueInternal(CSSPropertyOpacity);
         EXPECT_EQ("0.8", opacityValue);
     }
 }
 
 } // namespace blink