Labels don't need to respond to mouse clicks and doing so can interfere with button clicks, for e...

views/controls/label.cc

Index: views/controls/label.cc
===================================================================
--- views/controls/label.cc	(revision 91278)
+++ views/controls/label.cc	(working copy)
@@ -215,6 +215,10 @@
   return kViewClassName;
 }
 
+bool Label::HitTest(const gfx::Point& l) const {
+  return false;
+}
+
 void Label::OnMouseMoved(const MouseEvent& event) {
   UpdateContainsMouse(event);
 }