[Linux views]Fix the return value of WidgetGtk::HandleKeyboardEvent().

views/widget/widget_gtk.cc

 // Copyright (c) 2010 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 "views/widget/widget_gtk.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 #include <X11/extensions/shape.h>
 
@@ skipping 861 matching lines @@
 
   // Always reset |should_handle_menu_key_release_| unless we are handling a
   // VKEY_MENU key release event. It ensures that VKEY_MENU accelerator can only
   // be activated when handling a VKEY_MENU key release event which is preceded
   // by an unhandled VKEY_MENU key press event.
   if (key_code != base::VKEY_MENU || event->type != GDK_KEY_RELEASE)
     should_handle_menu_key_release_ = false;
 
   if (event->type == GDK_KEY_PRESS) {
     // VKEY_MENU is triggered by key release event.
+    // FocusManager::OnKeyEvent() returns false when the key has been consumed.
     if (key_code != base::VKEY_MENU)
-      handled = focus_manager_->OnKeyEvent(key);
+      handled = !focus_manager_->OnKeyEvent(key);
     else
       should_handle_menu_key_release_ = true;
   } else if (key_code == base::VKEY_MENU && should_handle_menu_key_release_ &&
              (key.GetFlags() & ~Event::EF_ALT_DOWN) == 0) {
     // Trigger VKEY_MENU when only this key is pressed and released, and both
     // press and release events are not handled by others.
     Accelerator accelerator(base::VKEY_MENU, false, false, false);
     handled = focus_manager_->ProcessAccelerator(accelerator);
   }
 
@@ skipping 716 matching lines @@
     GtkWindow* window = GTK_WINDOW(element->data);
     DCHECK(window);
     RootView *root_view = FindRootView(window);
     if (root_view)
       root_view->NotifyLocaleChanged();
   }
   g_list_free(window_list);
 }
 
 }  // namespace views