Block empty space selection

Source/core/editing/VisibleSelection.cpp

Index: Source/core/editing/VisibleSelection.cpp
diff --git a/Source/core/editing/VisibleSelection.cpp b/Source/core/editing/VisibleSelection.cpp
index 6a79d0460bdb1014b6a2de6b0ee85b7dc1819002..e677c388e3fc85deb1a654ebbaa1e3f2e7b6c449 100644
--- a/Source/core/editing/VisibleSelection.cpp
+++ b/Source/core/editing/VisibleSelection.cpp
@@ -356,6 +356,13 @@ void VisibleSelection::setStartAndEndFromBaseAndExtentRespectingGranularity(Text
             // last word to the line break (also RightWordIfOnBoundary);
             VisiblePosition start = VisiblePosition(m_start, m_affinity);
             VisiblePosition originalEnd(m_end, m_affinity);
+
+            if (!isContentEditable() && isStartOfWordASpace(start)) {
+                start = start.next();
+                if (comparePositions(start, originalEnd) >= 0)
+                    originalEnd = originalEnd.next();
+            }

[Yuta Kitamura, 2014/05/07 11:09:08]

It's totally unclear to me why |start| and |end| need to be
updated in this fashion.

+
             EWordSide side = RightWordIfOnBoundary;
             if (isEndOfEditableOrNonEditableContent(start) || (isEndOfLine(start) && !isStartOfLine(start) && !isEndOfParagraph(start)))
                 side = LeftWordIfOnBoundary;