Increase the slop value for text selection offsets

ui/touch_selection/touch_selection_controller.cc

Index: ui/touch_selection/touch_selection_controller.cc
diff --git a/ui/touch_selection/touch_selection_controller.cc b/ui/touch_selection/touch_selection_controller.cc
index a5facdcba480a20084fc5b5cb08e7080aeffd779..ea5db91a766055c25968c6ea1f9eec101dc2fe66 100644
--- a/ui/touch_selection/touch_selection_controller.cc
+++ b/ui/touch_selection/touch_selection_controller.cc
@@ -14,10 +14,10 @@ namespace {
 gfx::Vector2dF ComputeLineOffsetFromBottom(const SelectionBound& bound) {
   gfx::Vector2dF line_offset =
       gfx::ScaleVector2d(bound.edge_top() - bound.edge_bottom(), 0.5f);
-  // An offset of 5 DIPs is sufficient for most line sizes. For small lines,
+  // An offset of 8 DIPs is sufficient for most line sizes. For small lines,
   // using half the line height avoids synthesizing a point on a line above
   // (or below) the intended line.
-  const gfx::Vector2dF kMaxLineOffset(5.f, 5.f);
+  const gfx::Vector2dF kMaxLineOffset(8.f, 8.f);
   line_offset.SetToMin(kMaxLineOffset);
   line_offset.SetToMax(-kMaxLineOffset);
   return line_offset;