Revert 245139 "Add libwebm in third_party."

Causing 'check_license' failure on 'Linux' builder
http://build.chromium.org/p/chromium/builders/Linux/builds/46649

> Add libwebm in third_party.
> 
> libwebm will be used by chromoting client to generate WebM stream for
> MediaSource API.
> 
> BUG=321825
> 
> Review URL: https://codereview.chromium.org/134643003

TBR=sergeyu@chromium.org

Review URL: https://codereview.chromium.org/139993005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245187 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -293,10 +293,6 @@ deps = {
   "src/third_party/html_office":
      Var("chromium_git") +
          "/chromium/html-office-public.git@1d04f3dfbd8bd604190dfb6f5a030d30233ba6ea",
-
-  "src/third_party/libwebm/source":
-    Var("chromium_git") +
-      "/webm/libwebm.git@5efd6e3c1df766c08294ad19168e71522ee0d808",
 }
 
 

third_party/libwebm/OWNERS

-sergeyu@chromium.org
-tomfinegan@chromium.org

third_party/libwebm/README.chromium

-Name: WebM container parser and writer.
-Short Name: libwebm
-URL: http://www.webmproject.org/code/
-Version: unknown
-License: BSD
-License File: source/LICENSE.TXT
-Security Critical: No
-
-Description:
-libwebm is a library to read and write WebM files. It's used in Chrome Remote
-Desktop to generate WebM stream that can be fed to the MedisSource API. It's
-_not_ used in Chrome to parse WebM files (there is a separate parser in
-src/media).

third_party/libwebm/libwebm.gyp

-# 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.
-
-{
-  'includes': [
-    'libwebm.gypi',
-  ],
-  'targets': [
-    {
-      'target_name': 'libwebm',
-      'type': 'static_library',
-      'sources': [
-        '<@(libwebm_sources)'
-      ]
-    },  # target libwebm
-  ]
-}

third_party/libwebm/libwebm.gypi

-# 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.
-
-{
-  'variables': {
-    'libwebm_sources': [
-      'source/mkvmuxer.cpp',
-      'source/mkvmuxerutil.cpp',
-      'source/mkvwriter.cpp',
-    ],
-  }
-}
-
-if (is_android) {
-  arm_use_neon = false
-  # Our version of arm_neon_optional from common.gypi. This is not used in the
-  # current build so is commented out for now.
-  #arm_optionally_use_neon = false
-} else {
-  arm_use_neon = true
-  #arm_optionally_use_neon = true
-}
-
-if (arm_version == 6) {
-  arm_arch = "armv6"
-  arm_tune = ""
-  arm_float_abi = "softfp"
-  arm_fpu = "vfp"
-  # Thumb is a reduced instruction set available on some ARM processors that
-  # has increased code density.
-  arm_use_thumb = false
-
-} else if (arm_version == 7) {
-  arm_arch = "armv7-a"
-  arm_tune = "cortex-a8"
-  arm_float_abi = "softfp"
-  arm_use_thumb = true
-
-  if (arm_use_neon) {
-    arm_fpu = "neon"
-  } else {
-    arm_fpu = "vfpv3-d16"
-  }
-}

third_party/libwebm/libwebm_nacl.gyp

-# 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.
-
-{
-  'includes': [
-    'libwebm.gypi',
-    '../../native_client/build/untrusted.gypi',
-  ],
-  'targets': [
-    {
-      'target_name': 'libwebm_nacl',
-      'type': 'none',
-      'variables': {
-        'nlib_target': 'libwebm_nacl.a',
-        'build_glibc': 0,
-        'build_newlib': 0,
-        'build_pnacl_newlib': 1,
-      },
-      'dependencies': [
-        '../../native_client/tools.gyp:prep_toolchain',
-      ],
-      'sources': [
-        '<@(libwebm_sources)',
-      ],
-    },  # target libwebm_nacl
-  ]
-}