Revert of Avoid style clobbering in setCompositionFromExistingText.

Source/web/WebViewImpl.h

 /*
  * 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 492 matching lines @@
 
     // Exposed for tests.
     unsigned numLinkHighlights() { return m_linkHighlights.size(); }
     LinkHighlightImpl* linkHighlight(int i) { return m_linkHighlights[i].get(); }
 
     WebSettingsImpl* settingsImpl();
 
     // Returns the bounding box of the block type node touched by the WebPoint.
     WebRect computeBlockBound(const WebPoint&, bool ignoreClipping);
 
+    // Exposed for tests.
+    WebVector<WebCompositionUnderline> compositionUnderlines() const;
+
     WebLayerTreeView* layerTreeView() const { return m_layerTreeView; }
 
     bool matchesHeuristicsForGpuRasterizationForTesting() const { return m_matchesHeuristicsForGpuRasterization; }
 
     void setTopControlsHeight(float height, bool topControlsShrinkLayoutSize) override;
     void updateTopControlsState(WebTopControlsState constraint, WebTopControlsState current, bool animate) override;
 
     TopControls& topControls();
     // Called anytime top controls layout height or content offset have changed.
     void didUpdateTopControls();
@@ skipping 246 matching lines @@
 };
 
 DEFINE_TYPE_CASTS(WebViewImpl, WebWidget, widget, widget->isWebView(), widget.isWebView());
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif