content: Remove unused speex related code.

build/gn_migration.gypi

 # Copyright (c) 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.
 
 # This file defines five targets that we are using to track the progress of the
 # GYP->GN migration:
 #
 # 'both_gn_and_gyp' lists what GN is currently capable of building and should
 # match the 'both_gn_and_gyp' target in //BUILD.gn.
 #
@@ skipping 309 matching lines @@
             '../third_party/WebKit/Source/wtf/wtf_tests.gyp:wtf_unittests_apk',
             # TODO(GYP): Are these needed, or will they be pulled in automatically?
             #"//third_party/android_tools:android_gcm_java",
             #"//third_party/android_tools:uiautomator_java",
             #"//third_party/android_tools:android_support_v13_java",
             #"//third_party/android_tools:android_support_v7_appcompat_java",
             #"//third_party/android_tools:android_support_v7_mediarouter_java",
             #"//third_party/mesa",
             #"//third_party/mockito:mockito_java",
             #"//third_party/openmax_dl/dl",
-            #"//third_party/speex",
             #"//ui/android:ui_java",
 
             # TODO(GYP): Are these needed?
             #"//chrome/test:test_support_unit",
             #"//third_party/smhasher:murmurhash3",
             #"//ui/message_center:test_support",
           ],
           'dependencies!': [
             '../breakpad/breakpad.gyp:symupload',
             '../chrome/chrome.gyp:browser_tests',
@@ skipping 96 matching lines @@
             #"//pdf",
             #"//storage/browser",
             #"//third_party/brotli",
             #"//third_party/flac",
             #"//third_party/hunspell",
             #//third_party/iccjpeg",
             #"//third_party/libphonenumber",
             #"//third_party/ots",
             #"//third_party/qcms",
             #"//third_party/smhasher:murmurhash3",
-            #"//third_party/speex",
             #"//third_party/webrtc/system_wrappers",
             #"//ui/native_theme",
             #"//ui/snapshot",
             #"//ui/surface",
           ],
           'dependencies!': [
             #"//chrome",  # TODO(GYP)
             #"//chrome/test:browser_tests",  # TODO(GYP)
             #"//chrome/test:interactive_ui_tests",  # TODO(GYP)
             #"//chrome/test:sync_integration_tests",  # TODO(GYP)
@@ skipping 261 matching lines @@
           'dependencies': [
             # TODO(GYP): All of these targets need to be ported over.
             '../components/components.gyp:policy_win64',
           ]
         }],
       ],
     },
   ]
 }