Remove unnecessary module that contained a single string used in one place.

BUG=none
TEST=none

Change-Id: I3cee01abf6159f9e632c4929538c13554e4c2dfb
Reviewed-on: https://chromium-review.googlesource.com/804147Reviewed-by: Tommi <tommi@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521119}

chrome/browser/BUILD.gn

@@ -631,8 +631,6 @@ split_static_library("browser") {
     "media/media_engagement_session.h",
     "media/media_storage_id_salt.cc",
     "media/media_storage_id_salt.h",
-    "media/media_url_constants.cc",
-    "media/media_url_constants.h",
     "media/midi_permission_context.cc",
     "media/midi_permission_context.h",
     "media/midi_sysex_permission_context.cc",

chrome/browser/media/media_url_constants.cc

-// Copyright 2015 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/media/media_url_constants.h"
-
-const char kUploadURL[] = "https://clients2.google.com/cr/report";

chrome/browser/media/media_url_constants.h

-// Copyright 2015 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_MEDIA_MEDIA_URL_CONSTANTS_H_
-#define CHROME_BROWSER_MEDIA_MEDIA_URL_CONSTANTS_H_
-
-extern const char kUploadURL[];
-
-#endif  // CHROME_BROWSER_MEDIA_MEDIA_URL_CONSTANTS_H_

chrome/browser/media/webrtc/webrtc_log_uploader.cc

@@ -18,7 +18,6 @@
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/media/media_url_constants.h"
 #include "chrome/browser/media/webrtc/webrtc_log_list.h"
 #include "chrome/browser/media/webrtc/webrtc_log_util.h"
 #include "chrome/common/partial_circular_buffer.h"
@@ -472,6 +471,7 @@ void WebRtcLogUploader::UploadCompressedLog(
             "Not implemented, it would be good to do so."
         })");
 
+  constexpr char kUploadURL[] = "https://clients2.google.com/cr/report";
   std::unique_ptr<net::URLFetcher> url_fetcher(net::URLFetcher::Create(
       GURL(kUploadURL), net::URLFetcher::POST, this, traffic_annotation));
   url_fetcher->SetUploadData(content_type, *post_data);