[Nearby] Update comments to reflect new chrome://nearby-internals URL.

Also add necessary doc header to ../logging.h.

Change-Id: I0ce55ea6804296e8bb1b66f47b91bbb16e1f198a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2364578Reviewed-by: Josh Nohle <nohle@chromium.org>
Commit-Queue: Ryan Hansberry <hansberry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#800210}

chrome/browser/nearby_sharing/logging/logging.h

+// Copyright 2020 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.
+
 #ifndef CHROME_BROWSER_NEARBY_SHARING_LOGGING_LOGGING_H_
 #define CHROME_BROWSER_NEARBY_SHARING_LOGGING_LOGGING_H_
 
@@ -7,7 +11,7 @@
 
 // Use the NS_LOG() macro for all logging related to Nearby Sharing so the debug
 // page can reflect all logs related to this feature in the internal debug WebUI
-// (chrome://nearby-sharing-internals).
+// (chrome://nearby-internals).
 #define NS_LOG(severity) \
   ScopedLogMessage(__FILE__, __LINE__, logging::LOG_##severity).stream()
 

chrome/browser/ui/webui/nearby_internals/nearby_internals_ui.h

@@ -7,7 +7,7 @@
 
 #include "ui/webui/mojo_web_ui_controller.h"
 
-// The WebUI controller for chrome://nearby-sharing-internals.
+// The WebUI controller for chrome://nearby-internals.
 class NearbyInternalsUI : public ui::MojoWebUIController {
  public:
   explicit NearbyInternalsUI(content::WebUI* web_ui);