Close the permission bubble when use clicks 'esc'

chrome/browser/ui/views/website_settings/permissions_bubble_view.cc

 // Copyright 2014 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/website_settings/permissions_bubble_view.h"
 
 #include "base/strings/string16.h"
 #include "chrome/browser/ui/views/website_settings/permission_selector_view.h"
 #include "chrome/browser/ui/views/website_settings/permission_selector_view_observer.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_request.h"
@@ skipping 208 matching lines @@
     bool customization_mode)
     : views::BubbleDelegateView(anchor, views::BubbleBorder::TOP_LEFT),
       owner_(owner),
       allow_(NULL),
       deny_(NULL),
       allow_combobox_(NULL) {
   DCHECK(!requests.empty());
 
   RemoveAllChildViews(true);
   customize_comboboxes_.clear();
-  set_close_on_esc(false);
+  set_close_on_esc(true);
   set_close_on_deactivate(false);
 
   SetLayoutManager(new views::BoxLayout(
       views::BoxLayout::kVertical, kBubbleOuterMargin, 0, kItemMajorSpacing));
 
   // TODO(gbillock): support other languages than English.
   hostname_ = net::FormatUrl(requests[0]->GetRequestingHostname(),
                              "en",
                              net::kFormatUrlOmitUsernamePassword |
                              net::kFormatUrlOmitTrailingSlashOnBareHostname,
@@ skipping 239 matching lines @@
 
 void PermissionBubbleViewViews::Deny() {
   if (delegate_)
     delegate_->Deny();
 }
 
 void PermissionBubbleViewViews::SetCustomizationMode() {
   if (delegate_)
     delegate_->SetCustomizationMode();
 }