Rework tree APIs to reflect Google style and more const-correctness....

views/controls/native_control_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/controls/native_control_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
 #include "views/focus/focus_manager.h"
@@ skipping 49 matching lines @@
     // The view becomes visible after native control is created.
     // Layout now.
     Layout();
   }
 }
 
 void NativeControlGtk::Focus() {
   DCHECK(native_view());
   gtk_widget_grab_focus(native_view());
 
-  GetParent()->NotifyAccessibilityEvent(AccessibilityTypes::EVENT_FOCUS);
+  parent()->NotifyAccessibilityEvent(AccessibilityTypes::EVENT_FOCUS);
 }
 
 void NativeControlGtk::NativeControlCreated(GtkWidget* native_control) {
   Attach(native_control);
 
-  // Update the newly created GtkWdigetwith any resident enabled state.
+  // Update the newly created GtkWidget with any resident enabled state.
   gtk_widget_set_sensitive(native_view(), IsEnabled());
 
   // Listen for focus change event to update the FocusManager focused view.
   g_signal_connect(native_control, "focus-in-event",
                    G_CALLBACK(CallFocusIn), this);
 }
 
 // static
 gboolean NativeControlGtk::CallFocusIn(GtkWidget* widget,
                                        GdkEventFocus* event,
                                        NativeControlGtk* control) {
   FocusManager* focus_manager =
       FocusManager::GetFocusManagerForNativeView(widget);
   if (!focus_manager) {
     // TODO(jcampan): http://crbug.com/21378 Reenable this NOTREACHED() when the
     // options page is only based on views.
     // NOTREACHED();
     NOTIMPLEMENTED();
     return false;
   }
   focus_manager->SetFocusedView(control->focus_view());
   return false;
 }
 
 }  // namespace views