Unify the code paths for handling mouse events when pointer is locked on

third_party/WebKit/Source/web/WebViewImpl.h

Index: third_party/WebKit/Source/web/WebViewImpl.h
diff --git a/third_party/WebKit/Source/web/WebViewImpl.h b/third_party/WebKit/Source/web/WebViewImpl.h
index f062e637951a82b1c90ec630f17e6994a690749e..506b24524b9b3ca8ccaf19af3a0a41788c95d448 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.h
+++ b/third_party/WebKit/Source/web/WebViewImpl.h
@@ -565,8 +565,6 @@ class WEB_EXPORT WebViewImpl final
                                     int targetMargin,
                                     int minimumMargin);
 
-  void pointerLockMouseEvent(const WebInputEvent&);
-
   // PageWidgetEventHandler functions
   void handleMouseLeave(LocalFrame&, const WebMouseEvent&) override;
   void handleMouseDown(LocalFrame&, const WebMouseEvent&) override;
@@ -688,8 +686,6 @@ class WEB_EXPORT WebViewImpl final
   Persistent<Node> m_mouseCaptureNode;
   RefPtr<UserGestureToken> m_mouseCaptureGestureToken;
 
-  RefPtr<UserGestureToken> m_pointerLockGestureToken;
-
   WebLayerTreeView* m_layerTreeView;
   std::unique_ptr<CompositorAnimationHost> m_animationHost;