Revert of Added common layout framework for system menu rows.

ui/views/view.cc

Index: ui/views/view.cc
diff --git a/ui/views/view.cc b/ui/views/view.cc
index d5da6b5b07f827138f42f7776b2f301d3001f928..3cb42dca9dab0b6b57422f07348b4cc15293f3fa 100644
--- a/ui/views/view.cc
+++ b/ui/views/view.cc
@@ -128,10 +128,6 @@
 
   ViewStorage::GetInstance()->ViewRemoved(this);
 
-  // Some layout managers hold a reference to the host that they are installed
-  // to and may need to access this during destruction.
-  layout_manager_.reset();
-
   for (Views::const_iterator i(children_.begin()); i != children_.end(); ++i) {
     (*i)->parent_ = NULL;
     if (!(*i)->owned_by_client_)