mac: Remove more media/base/mac glue unneeded now that we target 10.9

media/cast/BUILD.gn

 # Copyright 2014 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("//testing/test.gni")
 import("//third_party/protobuf/proto_library.gni")
 
@@ skipping 157 matching lines @@
 
   # iOS and OS X encoders
   if (is_ios || is_mac) {
     sources += [
       "sender/h264_vt_encoder.cc",
       "sender/h264_vt_encoder.h",
     ]
 
     libs += [
       "AudioToolbox.framework",
+      "CoreMedia.framework",
       "CoreVideo.framework",
+      "VideoToolbox.framework",
     ]
   }
 }
 
 source_set("receiver") {
   sources = [
     "cast_receiver.h",
     "net/rtp/cast_message_builder.cc",
     "net/rtp/cast_message_builder.h",
     "net/rtp/frame_buffer.cc",
@@ skipping 349 matching lines @@
     ":sender",
   ]
 }
 
 static_library("cast_receiver") {
   complete_static_lib = true
   deps = [
     ":receiver",
   ]
 }