Add MediaError.message

third_party/WebKit/Source/core/html/BUILD.gn

 # Copyright 2016 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.
 
 import("//build/split_static_library.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 
 blink_core_sources("html") {
   split_count = 5
 
@@ skipping 363 matching lines @@
     "media/HTMLMediaElementControlsList.cpp",
     "media/HTMLMediaElementControlsList.h",
     "media/HTMLMediaSource.cpp",
     "media/HTMLMediaSource.h",
     "media/MediaControls.cpp",
     "media/MediaControls.h",
     "media/MediaCustomControlsFullscreenDetector.cpp",
     "media/MediaCustomControlsFullscreenDetector.h",
     "media/MediaDocument.cpp",
     "media/MediaDocument.h",
+    "media/MediaError.cpp",
     "media/MediaError.h",
     "media/MediaFragmentURIParser.cpp",
     "media/MediaFragmentURIParser.h",
     "parser/AtomicHTMLToken.cpp",
     "parser/AtomicHTMLToken.h",
     "parser/BackgroundHTMLInputStream.cpp",
     "parser/BackgroundHTMLInputStream.h",
     "parser/BackgroundHTMLParser.cpp",
     "parser/BackgroundHTMLParser.h",
     "parser/CSSPreloadScanner.cpp",
@@ skipping 142 matching lines @@
     "track/vtt/VTTToken.h",
     "track/vtt/VTTTokenizer.cpp",
     "track/vtt/VTTTokenizer.h",
   ]
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }