[ash] Hide tooltip when mouse button is pressed

ash/launcher/launcher_tooltip_manager.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/launcher/launcher_tooltip_manager.h"
 
 #include "ash/launcher/launcher_view.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
@@ skipping 238 matching lines @@
 
 void LauncherTooltipManager::OnMouseEvent(ui::MouseEvent* event) {
   DCHECK(event);
   DCHECK(event->target());
   if (!widget_ || !widget_->IsVisible())
     return;
 
   DCHECK(view_);
   DCHECK(launcher_view_);
 
+  // Pressing the mouse button anywhere should close the tooltip.
+  if (event->type() == ui::ET_MOUSE_PRESSED) {
+    CloseSoon();
+    return;
+  }
+
   aura::Window* target = static_cast<aura::Window*>(event->target());
   if (widget_->GetNativeWindow()->GetRootWindow() != target->GetRootWindow()) {
     CloseSoon();
     return;
   }
 
   gfx::Point location_in_launcher_view = event->location();
   aura::Window::ConvertPointToTarget(
       target, launcher_view_->GetWidget()->GetNativeWindow(),
       &location_in_launcher_view);
@@ skipping 98 matching lines @@
   new_timer->Start(
       FROM_HERE,
       base::TimeDelta::FromMilliseconds(delay_in_ms),
       this,
       &LauncherTooltipManager::ShowInternal);
   timer_.reset(new_timer);
 }
 
 }  // namespace internal
 }  // namespace ash