Give up focus if the focused view becomes unfocusable

chrome/browser/ui/views/autofill/tooltip_icon.cc

 // Copyright 2013 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 "chrome/browser/ui/views/autofill/tooltip_icon.h"
 
 #include "base/basictypes.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/ui/views/autofill/info_bubble.h"
 #include "grit/theme_resources.h"
@@ skipping 36 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(TooltipBubble);
 };
 
 }  // namespace
 
 TooltipIcon::TooltipIcon(const base::string16& tooltip)
     : tooltip_(tooltip),
       mouse_inside_(false),
       bubble_(NULL) {
   ChangeImageTo(IDR_AUTOFILL_TOOLTIP_ICON);
-  set_focusable(true);
+  SetFocusable(true);
 }
 
 TooltipIcon::~TooltipIcon() {
   HideBubble();
 }
 
 // static
 const char TooltipIcon::kViewClassName[] = "autofill/TooltipIcon";
 
 const char* TooltipIcon::GetClassName() const {
@@ skipping 63 matching lines @@
     return;
 
   ChangeImageTo(IDR_AUTOFILL_TOOLTIP_ICON);
 
   mouse_watcher_.reset();
   bubble_->Hide();
   bubble_ = NULL;
 }
 
 }  // namespace autofill