[Android] Move screenshot and video_recorder into devil.

build/android/pylib/screenshot.py

Index: build/android/pylib/screenshot.py
diff --git a/build/android/pylib/screenshot.py b/build/android/pylib/screenshot.py
deleted file mode 100644
index b3d17e2e00afefc6f25acf6bdfb0ec2a3a285e87..0000000000000000000000000000000000000000
--- a/build/android/pylib/screenshot.py
+++ /dev/null
@@ -1,91 +0,0 @@
-# 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 logging
-import os
-import tempfile
-import time
-
-from devil.android import device_signal
-from devil.utils import cmd_helper
-
-
-class VideoRecorder(object):
-  """Records a screen capture video from an Android Device (KitKat or newer).
-
-  Args:
-    device: DeviceUtils instance.
-    host_file: Path to the video file to store on the host.
-    megabits_per_second: Video bitrate in megabits per second. Allowed range
-                         from 0.1 to 100 mbps.
-    size: Video frame size tuple (width, height) or None to use the device
-          default.
-    rotate: If True, the video will be rotated 90 degrees.
-  """
-  def __init__(self, device, megabits_per_second=4, size=None,
-               rotate=False):
-    self._device = device
-    self._device_file = (
-        '%s/screen-recording.mp4' % device.GetExternalStoragePath())
-    self._recorder = None
-    self._recorder_stdout = None
-    self._is_started = False
-
-    self._args = ['adb']
-    if str(self._device):
-      self._args += ['-s', str(self._device)]
-    self._args += ['shell', 'screenrecord', '--verbose']
-    self._args += ['--bit-rate', str(megabits_per_second * 1000 * 1000)]
-    if size:
-      self._args += ['--size', '%dx%d' % size]
-    if rotate:
-      self._args += ['--rotate']
-    self._args += [self._device_file]
-
-  def Start(self):
-    """Start recording video."""
-    self._recorder_stdout = tempfile.mkstemp()[1]
-    self._recorder = cmd_helper.Popen(
-        self._args, stdout=open(self._recorder_stdout, 'w'))
-    if not self._device.GetPids('screenrecord'):
-      raise RuntimeError('Recording failed. Is your device running Android '
-                         'KitKat or later?')
-
-  def IsStarted(self):
-    if not self._is_started:
-      for line in open(self._recorder_stdout):
-        self._is_started = line.startswith('Content area is ')
-        if self._is_started:
-          break
-    return self._is_started
-
-  def Stop(self):
-    """Stop recording video."""
-    os.remove(self._recorder_stdout)
-    self._is_started = False
-    if not self._recorder:
-      return
-    if not self._device.KillAll('screenrecord', signum=device_signal.SIGINT,
-                                quiet=True):
-      logging.warning('Nothing to kill: screenrecord was not running')
-    self._recorder.wait()
-
-  def Pull(self, host_file=None):
-    """Pull resulting video file from the device.
-
-    Args:
-      host_file: Path to the video file to store on the host.
-    Returns:
-      Output video file name on the host.
-    """
-    # TODO(jbudorick): Merge filename generation with the logic for doing so in
-    # DeviceUtils.
-    host_file_name = (
-        host_file
-        or 'screen-recording-%s.mp4' % time.strftime('%Y%m%dT%H%M%S',
-                                                     time.localtime()))
-    host_file_name = os.path.abspath(host_file_name)
-    self._device.PullFile(self._device_file, host_file_name)
-    self._device.RunShellCommand('rm -f "%s"' % self._device_file)
-    return host_file_name