Plugins: Remove left over references to chrome://plugins

chrome/common/render_messages.h

 // Copyright (c) 2012 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.
 
 // Multiply-included file, no traditional include guard.
 #include <stdint.h>
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
@@ skipping 458 matching lines @@
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_PluginComponentUpdateFailure)
 
 // Notifies a missing plugin placeholder that we have started the component
 // download.
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_PluginComponentUpdateDownloading)
 
 // Notifies a missing plugin placeholder that the user cancelled downloading
 // the plugin.
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_CancelledDownloadingPlugin)
 
-// Tells the browser to open chrome://plugins in a new tab. We use a separate
-// message because renderer processes aren't allowed to directly navigate to
-// chrome:// URLs.
-IPC_MESSAGE_ROUTED0(ChromeViewHostMsg_OpenAboutPlugins)
-
 // Tells the browser to show the Flash permission bubble in the same tab.
 IPC_MESSAGE_ROUTED0(ChromeViewHostMsg_ShowFlashPermissionBubble)
 
 // Tells the browser that there was an error loading a plugin.
 IPC_MESSAGE_ROUTED1(ChromeViewHostMsg_CouldNotLoadPlugin,
                     base::FilePath /* plugin_path */)
 
 // Notification that the page has an OpenSearch description document
 // associated with it.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_PageHasOSDD,
@@ skipping 94 matching lines @@
 // process so that they can be assigned to an Instant renderer.
 IPC_MESSAGE_CONTROL2(ChromeViewMsg_SetSearchURLs,
                      std::vector<GURL> /* search_urls */,
                      GURL /* new_tab_page_url */)
 
 #if BUILDFLAG(ENABLE_PLUGINS)
 // Sent by the renderer to check if crash reporting is enabled.
 IPC_SYNC_MESSAGE_CONTROL0_1(ChromeViewHostMsg_IsCrashReportingEnabled,
                             bool /* enabled */)
 #endif