Remove RuntimeObject.lib dependency in Windows 10 Web MIDI backend

media/midi/BUILD.gn

 # 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//media/midi/midi_options.gni")
 import("//testing/test.gni")
@@ skipping 119 matching lines @@
 
   if (is_mac) {
     libs += [
       "CoreAudio.framework",
       "CoreFoundation.framework",
       "CoreMIDI.framework",
     ]
   }
 
   if (is_win) {
-    deps += [ "//device/usb" ]
-
     if (midi_use_winrt) {
       sources += [
         "midi_manager_winrt.cc",
         "midi_manager_winrt.h",
       ]
-
-      # TODO(crbug.com/642602): This adds runtime dependency to libraries that
-      # may not be available on Windows 7. Should eventually remove this and
-      # load functions dynamically (as in base::win::IsWindows10TabletMode).
-      libs += [ "runtimeobject.lib" ]
     } else {
+      deps += [ "//device/usb" ]
       sources += [
         "midi_manager_win.cc",
         "midi_manager_win.h",
       ]
     }
   }
 
   if (use_alsa && use_udev) {
     deps += [
       "//crypto",
@@ skipping 45 matching lines @@
     sources += [ "midi_manager_alsa_unittest.cc" ]
   }
 
   if (use_x11) {
     deps += [ "//tools/xdisplaycheck" ]
   }
 
   # This target should not require the Chrome executable to run.
   assert_no_deps = [ "//chrome" ]
 }