Revert of isActiveFocus() is a more meaningful name

Source/core/frame/PinchViewport.h

 /*
  * Copyright (C) 2013 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 77 matching lines @@
     void setScale(float);
     float scale() const { return m_scale; }
 
     void registerLayersWithTreeView(blink::WebLayerTreeView*) const;
     void clearLayersForTreeView(blink::WebLayerTreeView*) const;
 
     // The portion of the unzoomed frame visible in the inner "pinch" viewport, in partial CSS pixels.
     FloatRect visibleRect() const;
 private:
     // ScrollableArea implementation
-    virtual bool isActiveFocus() const OVERRIDE { return false; }
+    virtual bool isActive() const OVERRIDE { return false; }
     virtual int scrollSize(ScrollbarOrientation) const OVERRIDE;
     virtual bool isScrollCornerVisible() const OVERRIDE { return false; }
     virtual IntRect scrollCornerRect() const OVERRIDE { return IntRect(); }
     virtual IntPoint scrollPosition() const OVERRIDE { return flooredIntPoint(m_offset); }
     virtual IntPoint minimumScrollPosition() const OVERRIDE;
     virtual IntPoint maximumScrollPosition() const OVERRIDE;
     virtual int visibleHeight() const OVERRIDE { return visibleRect().height(); };
     virtual int visibleWidth() const OVERRIDE { return visibleRect().width(); };
     virtual IntSize contentsSize() const OVERRIDE;
     virtual bool scrollbarsCanBeActive() const OVERRIDE { return false; }
@@ skipping 30 matching lines @@
 
     // Offset of the pinch viewport from the main frame's origin, in CSS pixels.
     FloatPoint m_offset;
     float m_scale;
     IntSize m_size;
 };
 
 } // namespace WebCore
 
 #endif // PinchViewport_h