Separate out logic to handle different category/group of context menu items from RVContextMenu class

chrome/browser/guestview/webview/context_menu_content_type_webview.cc

Index: chrome/browser/guestview/webview/context_menu_content_type_webview.cc
diff --git a/chrome/browser/guestview/webview/context_menu_content_type_webview.cc b/chrome/browser/guestview/webview/context_menu_content_type_webview.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1c9f90d649e17b8b3cc7cf00005dce5d6140ad11
--- /dev/null
+++ b/chrome/browser/guestview/webview/context_menu_content_type_webview.cc
@@ -0,0 +1,30 @@
+// 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/guestview/webview/context_menu_content_type_webview.h"
+
+ContextMenuContentTypeWebView::ContextMenuContentTypeWebView(
+    content::RenderFrameHost* render_frame_host,
+    const content::ContextMenuParams& params)
+    : ContextMenuContentType(render_frame_host, params, true) {
+}
+
+ContextMenuContentTypeWebView::~ContextMenuContentTypeWebView() {
+}
+
+bool ContextMenuContentTypeWebView::SupportsGroup(int group) {
+  switch (group) {
+    case ITEM_GROUP_PAGE:
+    case ITEM_GROUP_FRAME:
+    case ITEM_GROUP_LINK:
+    case ITEM_GROUP_SEARCH_PROVIDER:
+    case ITEM_GROUP_PRINT:
+    case ITEM_GROUP_ALL_EXTENSION:
+    case ITEM_GROUP_CURRENT_EXTENSION:
+    case ITEM_GROUP_PRINT_PREVIEW:
+      return false;
+    default:
+      return ContextMenuContentType::SupportsGroup(group);
+  }
+}