Removes files from //build that we don't need

build/android/pylib/base/test_collection.py

-# Copyright 2013 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 threading
-
-class TestCollection(object):
-  """A threadsafe collection of tests.
-
-  Args:
-    tests: List of tests to put in the collection.
-  """
-
-  def __init__(self, tests=None):
-    if not tests:
-      tests = []
-    self._lock = threading.Lock()
-    self._tests = []
-    self._tests_in_progress = 0
-    # Used to signal that an item is available or all items have been handled.
-    self._item_available_or_all_done = threading.Event()
-    for t in tests:
-      self.add(t)
-
-  def _pop(self):
-    """Pop a test from the collection.
-
-    Waits until a test is available or all tests have been handled.
-
-    Returns:
-      A test or None if all tests have been handled.
-    """
-    while True:
-      # Wait for a test to be available or all tests to have been handled.
-      self._item_available_or_all_done.wait()
-      with self._lock:
-        # Check which of the two conditions triggered the signal.
-        if self._tests_in_progress == 0:
-          return None
-        try:
-          return self._tests.pop(0)
-        except IndexError:
-          # Another thread beat us to the available test, wait again.
-          self._item_available_or_all_done.clear()
-
-  def add(self, test):
-    """Add a test to the collection.
-
-    Args:
-      test: A test to add.
-    """
-    with self._lock:
-      self._tests.append(test)
-      self._item_available_or_all_done.set()
-      self._tests_in_progress += 1
-
-  def test_completed(self):
-    """Indicate that a test has been fully handled."""
-    with self._lock:
-      self._tests_in_progress -= 1
-      if self._tests_in_progress == 0:
-        # All tests have been handled, signal all waiting threads.
-        self._item_available_or_all_done.set()
-
-  def __iter__(self):
-    """Iterate through tests in the collection until all have been handled."""
-    while True:
-      r = self._pop()
-      if r is None:
-        break
-      yield r
-
-  def __len__(self):
-    """Return the number of tests currently in the collection."""
-    return len(self._tests)
-
-  def test_names(self):
-    """Return a list of the names of the tests currently in the collection."""
-    with self._lock:
-      return list(t.test for t in self._tests)