Mark printing code as basic printing and/or print preview code.

chrome/browser/renderer_context_menu/render_view_context_menu.cc

 // 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/render_view_context_menu.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 1611 matching lines @@
 
   return false;
 }
 
 void RenderViewContextMenu::ExecuteCommand(int id, int event_flags) {
   RenderViewContextMenuBase::ExecuteCommand(id, event_flags);
   if (command_executed_)
     return;
   command_executed_ = true;
 
-  RenderFrameHost* render_frame_host = GetRenderFrameHost();
-
   // Process extension menu items.
   if (ContextMenuMatcher::IsExtensionsCustomCommandId(id)) {
     extension_items_.ExecuteCommand(id, source_web_contents_, params_);
     return;
   }
 
   if (id >= IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_FIRST &&
       id <= IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_LAST) {
     ProtocolHandlerRegistry::ProtocolHandlerList handlers =
         GetHandlersForLinkUrl();
@@ skipping 245 matching lines @@
       DCHECK(platform_app->is_platform_app());
 
       apps::AppLoadService::Get(GetProfile())
           ->RestartApplication(platform_app->id());
       break;
     }
 
     case IDC_PRINT: {
 #if defined(ENABLE_PRINTING)
       if (params_.media_type != WebContextMenuData::MediaTypeNone) {
+        RenderFrameHost* render_frame_host = GetRenderFrameHost();
         if (render_frame_host) {
           render_frame_host->Send(new PrintMsg_PrintNodeUnderContextMenu(
               render_frame_host->GetRoutingID()));
         }
         break;
       }
 
       printing::StartPrint(
           source_web_contents_,
           GetPrefs(browser_context_)->GetBoolean(prefs::kPrintPreviewDisabled),
           !params_.selection_text.empty());
-#endif  // ENABLE_PRINTING
+#endif  // defined(ENABLE_PRINTING)
       break;
     }
 
     case IDC_ROUTE_MEDIA: {
 #if defined(ENABLE_MEDIA_ROUTER)
       if (!media_router::MediaRouterEnabled(browser_context_))
         return;
 
       Browser* browser =
           chrome::FindBrowserWithWebContents(source_web_contents_);
@@ skipping 263 matching lines @@
   source_web_contents_->GetRenderViewHost()->
       ExecuteMediaPlayerActionAtLocation(location, action);
 }
 
 void RenderViewContextMenu::PluginActionAt(
     const gfx::Point& location,
     const WebPluginAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecutePluginActionAtLocation(location, action);
 }