third_party/mojo: Remove python/go/dart bindings.

third_party/mojo/src/mojo/public/tools/mojom_fetcher/pylib/fetcher/dependency.py

Index: third_party/mojo/src/mojo/public/tools/mojom_fetcher/pylib/fetcher/dependency.py
diff --git a/third_party/mojo/src/mojo/public/tools/mojom_fetcher/pylib/fetcher/dependency.py b/third_party/mojo/src/mojo/public/tools/mojom_fetcher/pylib/fetcher/dependency.py
deleted file mode 100644
index ea299b3a78d33f75b7d9c5d86a04c1a662fd910a..0000000000000000000000000000000000000000
--- a/third_party/mojo/src/mojo/public/tools/mojom_fetcher/pylib/fetcher/dependency.py
+++ /dev/null
@@ -1,180 +0,0 @@
-# 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 os
-
-
-class DuplicateDependencyFoundException(Exception):
-  """Two potentially matching files have been found that could satisfy this
-  dependency, so the right one cannot be selected automatically."""
-  pass
-
-
-class DependencyNotFoundException(Exception):
-  """The dependency hasn't been found on the local filesystem."""
-  pass
-
-
-class Dependency(object):
-  """Dependency represents an import request from one mojom file to another.
-  """
-  def __init__(self, repository, importer, imported):
-    self._repository = repository
-    self._importer_filename = os.path.normpath(importer)
-    self._imported_filename = os.path.normpath(imported)
-
-  def __str__(self):
-    return str(self.__dict__)
-
-  def __eq__(self, other):
-    return self.__dict__ == other.__dict__
-
-  def get_importer(self):
-    """Returns the name and full path of the file doing the import."""
-    return self._importer_filename
-
-  def get_imported(self):
-    """Returns the imported file (filename and path)."""
-    return self._imported_filename
-
-  def is_sdk_dep(self):
-    """Returns whether this dependency is from the mojo SDK."""
-    return (self._imported_filename.startswith("mojo/public/") or
-            self._imported_filename.startswith("//mojo/public/"))
-
-  def _is_in_external(self):
-    """Returns whether this dependency is under the external directory."""
-    common = os.path.commonprefix((self._repository.get_external_directory(),
-                                   self._importer_filename))
-    return common == self._repository.get_external_directory()
-
-  def maybe_is_a_url(self):
-    """Returns whether this dependency may be pointing to a downloadable
-    ressource."""
-    if self._is_in_external() and not self.is_sdk_dep():
-      # External dependencies may refer to other dependencies by relative path,
-      # so they can always be URLs.
-      return True
-
-    base, _ = self._imported_filename.split(os.path.sep, 1)
-    if not '.' in base:
-      # There is no dot separator in the first part of the path; it cannot be a
-      # URL.
-      return False
-    return True
-
-  def generate_candidate_urls(self):
-    """Generates possible paths where to download this dependency. It is
-    expected that at most one of them should work."""
-    candidates = []
-
-    base, _ = self._imported_filename.split(os.path.sep, 1)
-    if '.' in base and not base.startswith('.'):
-      # This import may be an absolute URL path (without scheme).
-      candidates.append(self._imported_filename)
-
-    # External dependencies may refer to other dependencies by relative path.
-    if self._is_in_external():
-      directory = os.path.relpath(os.path.dirname(self._importer_filename),
-                                  self._repository.get_external_directory())
-
-      # This is to handle the case where external dependencies use
-      # imports relative to a directory upper in the directory structure. As we
-      # don't know which directory, we need to go through all of them.
-      while len(directory) > 0:
-        candidates.append(os.path.join(directory, self._imported_filename))
-        directory = os.path.dirname(directory)
-    return candidates
-
-  def get_search_path_for_dependency(self):
-    """Return all possible search paths for this dependency."""
-
-    # Root directory and external directory are always included.
-    search_paths = set([self._repository.get_repo_root_directory(),
-                        self._repository.get_external_directory()])
-    # Local import paths
-    search_paths.add(os.path.dirname(self._importer_filename))
-
-    if self._is_in_external():
-      directory = os.path.dirname(self._importer_filename)
-
-      # This is to handle the case where external dependencies use
-      # imports relative to a directory upper in the directory structure. As we
-      # don't know which directory, we need to go through all of them.
-      while self._repository.get_external_directory() in directory:
-        search_paths.add(directory)
-        directory = os.path.dirname(directory)
-    return search_paths
-
-  def is_sdk_dep(self):
-    """Returns whether this dependency is from the mojo SDK."""
-    return self._imported_filename.startswith("mojo/public/")
-
-  def _os_path_exists(self, path):
-    return os.path.exists(path)
-
-  def get_target_and_import(self, extra_import_dirs):
-    """Returns a tuple (target, import_directory) for this dependency.
-    import_directory may be Null. extra_import_dirs lists directories that
-    should be searched for this dependency in addition to the ones directly
-    above the importing file.
-    """
-    directory = os.path.dirname(self.get_importer())
-    if self.is_sdk_dep():
-      return (os.path.dirname(self.get_imported()), None)
-
-    # We need to determine if it is a relative path or not
-    if self._os_path_exists(os.path.join(directory, self.get_imported())):
-      # This is a relative import path
-      dependency_path = os.path.normpath(os.path.join(directory,
-                                                      self.get_imported()))
-      return (target_from_path(os.path.relpath(dependency_path, directory)),
-              None)
-
-    if self._os_path_exists(
-        os.path.join(self._repository.get_external_directory(),
-                     self.get_imported())):
-      # This is an "absolute" external dependency, specified by full path
-      # relative to the external directory.
-      return (target_from_path(
-          "//" + os.path.join(self._repository.get_external_suffix(),
-                              self.get_imported())), None)
-
-    # We assume that the dependency is specified relative to a directory
-    # above this one, so we search all of them for a correspondence. If we
-    # find one, we return an import directory.
-    result = None
-    for import_dir_candidate in (list(self.get_search_path_for_dependency())
-                                  + extra_import_dirs):
-      dep_mojom_path = os.path.join(
-          import_dir_candidate, self.get_imported())
-      if self._os_path_exists(dep_mojom_path):
-        if result != None:
-          raise DuplicateDependencyFoundException(self.get_imported())
-        import_dir = os.path.relpath(import_dir_candidate, directory)
-        result = (target_from_path(os.path.relpath(
-            dep_mojom_path, directory)), import_dir)
-    if result == None:
-      raise DependencyNotFoundException(self.get_imported())
-    return result
-
-
-def group_target_name(directory):
-  """Returns the name of the group target for a given directory."""
-  return os.path.basename(directory)
-
-def _target_dir_from_path(path):
-  directory, filename = os.path.split(path)
-  target, _ = os.path.splitext(filename)
-  if target == group_target_name(directory):
-    target = target + "_mojom"
-  return directory, target
-
-def target_name_from_path(path):
-  return _target_dir_from_path(path)[1]
-
-
-def target_from_path(path):
-  return ':'.join(_target_dir_from_path(path))
-