Disable context menu for page_action and infobars

chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc

 // Copyright (c) 2011 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/gtk/browser_actions_toolbar_gtk.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/i18n/rtl.h"
@@ skipping 184 matching lines @@
     const SkBitmap& image = extension_->browser_action()->GetIcon(
         toolbar_->GetCurrentTabId());
     if (!image.isNull()) {
       return image;
     } else {
       return default_skbitmap_;
     }
   }
 
   MenuGtk* GetContextMenu() {
+    if (!extension_->ShowConfigureContextMenus())
+      return NULL;
+
     context_menu_model_ =
         new ExtensionContextMenuModel(extension_, toolbar_->browser(), this);
     context_menu_.reset(
         new MenuGtk(this, context_menu_model_.get()));
     return context_menu_.get();
   }
 
  private:
   // MenuGtk::Delegate implementation.
   virtual void StoppedShowing() {
@@ skipping 46 matching lines @@
       gtk_image_set_from_pixbuf(GTK_IMAGE(image_), image);
     }
   }
 
   static gboolean OnButtonPress(GtkWidget* widget,
                                 GdkEvent* event,
                                 BrowserActionButton* action) {
     if (event->button.button != 3)
       return FALSE;
 
+    MenuGtk* menu = action->GetContextMenu();
+    if (!menu)
+      return FALSE;
+
     action->button_->SetPaintOverride(GTK_STATE_ACTIVE);
-    action->GetContextMenu()->Popup(widget, event);
+    menu->Popup(widget, event);
 
     return TRUE;
   }
 
   static void OnClicked(GtkWidget* widget, BrowserActionButton* action) {
     if (action->ShowPopup(false))
       return;
 
     ExtensionService* service =
         action->toolbar_->browser()->profile()->GetExtensionService();
@@ skipping 649 matching lines @@
     item_index = model_->IncognitoIndexToOriginal(item_index);
 
   const Extension* extension = model_->GetExtensionByIndex(item_index);
   ExtensionButtonMap::iterator it = extension_button_map_.find(
       extension->id());
   if (it == extension_button_map_.end()) {
     NOTREACHED();
     return FALSE;
   }
 
-  it->second.get()->GetContextMenu()->PopupAsContext(event->time);
+  MenuGtk* menu = it->second.get()->GetContextMenu();
+  if (!menu)
+    return FALSE;
+
+  menu->PopupAsContext(event->time);
   return TRUE;
 }
 
 void BrowserActionsToolbarGtk::OnButtonShowOrHide(GtkWidget* sender) {
   if (!resize_animation_.is_animating())
     UpdateChevronVisibility();
 }