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

chrome/browser/renderer_context_menu/context_menu_content_type_factory.cc

Index: chrome/browser/renderer_context_menu/context_menu_content_type_factory.cc
diff --git a/chrome/browser/renderer_context_menu/context_menu_content_type_factory.cc b/chrome/browser/renderer_context_menu/context_menu_content_type_factory.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7fa1fd2acff348f26a3e78f8ae25727e0f1c525c
--- /dev/null
+++ b/chrome/browser/renderer_context_menu/context_menu_content_type_factory.cc
@@ -0,0 +1,49 @@
+// 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/renderer_context_menu/context_menu_content_type_factory.h"
+
+#include "chrome/browser/app_mode/app_mode_utils.h"
+#include "chrome/browser/guestview/webview/context_menu_content_type_webview.h"
+#include "chrome/browser/guestview/webview/webview_guest.h"
+#include "chrome/browser/renderer_context_menu/context_menu_content_type.h"
+#include "chrome/browser/renderer_context_menu/context_menu_content_type_app_mode.h"
+#include "chrome/browser/renderer_context_menu/context_menu_content_type_extension_popup.h"
+#include "chrome/browser/renderer_context_menu/context_menu_content_type_panel.h"
+#include "chrome/browser/renderer_context_menu/context_menu_content_type_platform_app.h"
+#include "content/public/browser/render_frame_host.h"
+#include "content/public/browser/web_contents.h"
+#include "extensions/browser/view_type_utils.h"
+#include "extensions/common/extension.h"
+
+ContextMenuContentTypeFactory::ContextMenuContentTypeFactory() {
+}
+
+ContextMenuContentTypeFactory::~ContextMenuContentTypeFactory() {
+}
+
+// static.
+ContextMenuContentType* ContextMenuContentTypeFactory::Create(
+    content::WebContents* web_contents,
+    content::RenderFrameHost* render_frame_host,
+    const content::ContextMenuParams& params) {
+  if (WebViewGuest::FromWebContents(web_contents))
+    return new ContextMenuContentTypeWebView(render_frame_host, params);
+
+  if (chrome::IsRunningInForcedAppMode())
+    return new ContextMenuContentTypeAppMode(render_frame_host, params);
+
+  const extensions::ViewType view_type = extensions::GetViewType(web_contents);
+
+  if (view_type == extensions::VIEW_TYPE_APP_WINDOW)
+    return new ContextMenuContentTypePlatformApp(render_frame_host, params);
+
+  if (view_type == extensions::VIEW_TYPE_EXTENSION_POPUP)
+    return new ContextMenuContentTypeExtensionPopup(render_frame_host, params);
+
+  if (view_type == extensions::VIEW_TYPE_PANEL)
+    return new ContextMenuContentTypePanel(render_frame_host, params);
+
+  return new ContextMenuContentType(render_frame_host, params, true);
+}