Text selection handles now take into account pinch viewport's offset.

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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 2245 matching lines @@
         range = Range::create(selectedRange->endContainer()->document(),
             selectedRange->endContainer(),
             selectedRange->endOffset(),
             selectedRange->endContainer(),
             selectedRange->endOffset());
         focus = frame->editor().firstRectForRange(range.get());
     }
 
     IntRect scaledAnchor(frame->view()->contentsToWindow(anchor));
     IntRect scaledFocus(frame->view()->contentsToWindow(focus));
+
+    if (pinchVirtualViewportEnabled()) {
+        IntPoint pinchViewportOffset =
+            roundedIntPoint(page()->frameHost().pinchViewport().visibleRect().location());
+        scaledAnchor.moveBy(-pinchViewportOffset);
+        scaledFocus.moveBy(-pinchViewportOffset);
+    }
+
     scaledAnchor.scale(pageScaleFactor());
     scaledFocus.scale(pageScaleFactor());
     anchor = scaledAnchor;
     focus = scaledFocus;
 
     if (!selection.selection().isBaseFirst())
         std::swap(anchor, focus);
     return true;
 }
 
@@ skipping 1833 matching lines @@
     const PageScaleConstraints& constraints = m_pageScaleConstraintsSet.pageDefinedConstraints();
 
     if (!mainFrameImpl() || !mainFrameImpl()->frameView())
         return false;
 
     return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width
         || (constraints.minimumScale == constraints.maximumScale && constraints.minimumScale != -1);
 }
 
 } // namespace blink