Polish launcher tooltip visibility (2nd try).

ash/shell.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/shell.h"
 
 #include <algorithm>
 #include <string>
 
 #include "ash/accelerators/focus_manager_factory.h"
@@ skipping 603 matching lines @@
   FOR_EACH_OBSERVER(ShellObserver, observers_, OnLockStateChanged(locked));
 }
 
 void Shell::CreateLauncher() {
   if (launcher_.get())
     return;
 
   aura::Window* default_container =
       GetPrimaryRootWindowController()->
       GetContainer(internal::kShellWindowId_DefaultContainer);
-  launcher_.reset(new Launcher(default_container));
+  launcher_.reset(new Launcher(default_container, shelf_));
 
   launcher_->SetFocusCycler(focus_cycler_.get());
   shelf_->SetLauncher(launcher_.get());
   if (panel_layout_manager_)
     panel_layout_manager_->SetLauncher(launcher_.get());
 
   launcher_->widget()->Show();
 }
 
 void Shell::AddShellObserver(ShellObserver* observer) {
@@ skipping 156 matching lines @@
 }
 
 void Shell::ShowCursor(bool visible) {
   RootWindowList root_windows = GetAllRootWindows();
   for (RootWindowList::iterator iter = root_windows.begin();
        iter != root_windows.end(); ++iter)
     (*iter)->ShowCursor(visible);
 }
 
 }  // namespace ash