third_party/mojo: stop syncing from the Mojo repository.

This CL:
- removes the scripts for syncing and relevant comments.
- adds a note in README.chromium that it has been forked from the Mojo repo.

BUG=None

Review URL: https://codereview.chromium.org/1338793003

Cr-Commit-Position: refs/heads/master@{#348760}

4 files changed, 2 insertions, 139 deletions

diff --git a/mojo/tools/rev_sdk.py b/mojo/tools/rev_sdk.py
deleted file mode 100755
index fa222d8..0000000
--- a/mojo/tools/rev_sdk.py
+++ /dev/null
@@ -1,101 +0,0 @@
-#!/usr/bin/env python
-# 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.
-
-'''Tool to roll Mojo into Chromium. See:
-https://github.com/domokit/mojo/wiki/Rolling-code-between-chromium-and-mojo#mojo---chromium-updates-sdk--edk
-'''
-
-import os
-import sys
-from utils import commit
-from utils import chromium_root_dir
-from utils import system
-
-sdk_prefix_in_chromium = 'third_party/mojo/src'
-sdk_dirs_to_clone = [
-  'mojo/edk',
-  'mojo/public',
-  'nacl_bindings',
-]
-
-sdk_dirs_to_not_clone = [
-  'mojo/public/cpp/application',
-  'mojo/public/interfaces/application',
-  'mojo/public/interfaces/network',
-  'mojo/public/java/application',
-]
-
-# Individual files to preserve within the target repository during roll. These
-# are relative to |sdk_prefix_in_chromium| but are not maintained in the mojo
-# repository.
-preserved_chromium_files = [
-  'mojo/edk/DEPS',
-  'mojo/public/DEPS',
-  'mojo/public/c/gpu/DEPS',
-  'mojo/public/platform/nacl/DEPS',
-  'nacl_bindings/DEPS',
-]
-
-# A dictionary mapping dirs to clone to their destination locations in Chromium.
-dirs_to_clone = {}
-
-for sdk_dir in sdk_dirs_to_clone:
-  sdk_dir_in_chromium = os.path.join(sdk_prefix_in_chromium, sdk_dir)
-  dirs_to_clone[sdk_dir] = sdk_dir_in_chromium
-
-def rev(source_dir, chromium_dir, mojo_revision):
-  src_commit = system(['git', 'rev-parse', mojo_revision],
-                      cwd=source_dir).strip()
-
-  for input_dir, dest_dir in dirs_to_clone.iteritems():
-    if os.path.exists(os.path.join(chromium_dir, dest_dir)):
-      print 'removing directory %s' % dest_dir
-      system(['git', 'rm', '-r', dest_dir], cwd=chromium_dir)
-    print 'cloning directory %s into %s' % (input_dir, dest_dir)
-    files = system(['git', 'ls-files', input_dir], cwd=source_dir)
-    for f in files.splitlines():
-      # Don't copy presubmit files over since the code is read-only on the
-      # chromium side.
-      if os.path.basename(f) == 'PRESUBMIT.py':
-        continue
-
-      exclude = False
-      for excluded in sdk_dirs_to_not_clone:
-        if f.startswith(excluded):
-          exclude = True
-          break
-      if exclude:
-        continue
-
-      # Clone |f| into Chromium under |dest_dir| at its location relative to
-      # |input_dir|.
-      f_relpath = os.path.relpath(f, input_dir)
-      dest_path = os.path.join(chromium_dir, dest_dir, f_relpath)
-      system(['mkdir', '-p', os.path.dirname(dest_path)])
-      system(['cp', os.path.join(source_dir, f), dest_path])
-    os.chdir(chromium_dir)
-    system(['git', 'add', dest_dir], cwd=chromium_dir)
-
-  mojo_public_dest_dir = os.path.join(sdk_prefix_in_chromium, 'mojo/public')
-  version_filename = os.path.join(mojo_public_dest_dir, 'VERSION')
-  with open(version_filename, 'w') as version_file:
-    version_file.write(src_commit)
-  system(['git', 'add', version_filename], cwd=chromium_dir)
-
-  # Reset preserved files that were blown away.
-  for rel_path in preserved_chromium_files:
-    preserved_path = os.path.join(sdk_prefix_in_chromium, rel_path)
-    system(['git', 'reset', '--', preserved_path])
-    system(['git', 'checkout', preserved_path])
-
-  commit('Update mojo sdk to rev ' + src_commit, cwd=chromium_dir)
-
-if len(sys.argv) < 2:
-  print 'usage: rev_sdk.py <mojo source dir> [<mojo revision>]'
-  sys.exit(1)
-
-# Allow override of the roll revision.
-revision = sys.argv[2] if len(sys.argv) == 3 else 'origin/HEAD'
-rev(sys.argv[1], chromium_root_dir, revision)
diff --git a/mojo/tools/utils.py b/mojo/tools/utils.py
deleted file mode 100755
index 740b363..0000000
--- a/mojo/tools/utils.py
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/usr/bin/env python
-# 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 fnmatch
-import os
-import subprocess
-
-chromium_root_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)),
-                                 os.pardir, os.pardir)
-
-def commit(message, cwd=None):
-  subprocess.call(['git', 'commit', '-a', '-m', message], cwd=cwd)
-
-def system(command, cwd=None):
-  return subprocess.check_output(command, cwd=cwd)
-
-def find(patterns, start='.'):
-  for path, dirs, files in os.walk(start):
-    for basename in files + dirs:
-      if any([fnmatch.fnmatch(basename, pattern) for pattern in patterns]):
-        filename = os.path.join(path, basename)
-        yield filename
-
-def filter_file(path, predicate):
-  with open(path, 'r+') as f:
-    lines = f.readlines()
-    new_lines = [line for line in lines if predicate(line)]
-    f.seek(0)
-    f.truncate()
-    f.write(''.join(new_lines))
diff --git a/third_party/mojo/OWNERS b/third_party/mojo/OWNERS
index e807a4f..0c5328c 100644
--- a/third_party/mojo/OWNERS
+++ b/third_party/mojo/OWNERS
@@ -1,8 +1,3 @@
-# The code underneath src/ is being canonically developed in the mojo
-# repository; please land changes there or they will be blown away by the next
-# sync.
-# See https://groups.google.com/a/chromium.org/d/msg/chromium-dev/nAwEbgCrUio/73AA2fnfcpEJ
-# for more details.
 ben@chromium.org
 jam@chromium.org
 jamesr@chromium.org
diff --git a/third_party/mojo/README.chromium b/third_party/mojo/README.chromium
index e912cb6..c429d21 100644
--- a/third_party/mojo/README.chromium
+++ b/third_party/mojo/README.chromium
@@ -12,4 +12,5 @@ plugin processes that can support multiple types of sandboxed content, such as
 HTML, Pepper, or NaCl.
 
 Local Modifications:
-None.
+This library has been forked from the Mojo repository and will be moved out of
+third_party soon.