Remove setSurfaceReady from WebLayerTreeView.

Source/web/tests/WebFrameTest.cpp

 /*
  * 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 4260 matching lines @@
     EXPECT_EQ(startRect, initialStartRect);
     EXPECT_EQ(endRect, initialEndRect);
 }
 #endif
 
 class CompositedSelectionBoundsTestLayerTreeView : public WebLayerTreeView {
 public:
     CompositedSelectionBoundsTestLayerTreeView() : m_selectionCleared(false) { }
     virtual ~CompositedSelectionBoundsTestLayerTreeView() { }
 
-    virtual void setSurfaceReady()  override { }
     virtual void setRootLayer(const WebLayer&)  override { }
     virtual void clearRootLayer()  override { }
     virtual void setViewportSize(const WebSize& deviceViewportSize)  override { }
     virtual WebSize deviceViewportSize() const  override { return WebSize(); }
     virtual void setDeviceScaleFactor(float) override { }
     virtual float deviceScaleFactor() const  override { return 1.f; }
     virtual void setBackgroundColor(WebColor)  override { }
     virtual void setHasTransparentBackground(bool)  override { }
     virtual void setVisible(bool)  override { }
     virtual void setPageScaleFactorAndLimits(float pageScaleFactor, float minimum, float maximum)  override { }
@@ skipping 2632 matching lines @@
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 
     // Neither should a page reload.
     localFrame->reload();
     EXPECT_EQ(4u, frameClient.provisionalLoadCount());
     EXPECT_FALSE(frameClient.wasLastProvisionalLoadATransition());
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 }
 
 } // namespace