Revert 182991

tools/telemetry/telemetry/core/web_contents.py

-# Copyright (c) 2012 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.
-
-DEFAULT_WEB_CONTENTS_TIMEOUT = 60
-
-# TODO(achuith, dtu, nduca): Add unit tests specifically for WebContents,
-# independent of Tab.
-class WebContents(object):
-  """Represents web contents in the browser"""
-  def __init__(self, inspector_backend):
-    self._inspector_backend = inspector_backend
-
-  def __del__(self):
-    self.Disconnect()
-
-  def Disconnect(self):
-    self._inspector_backend.Disconnect()
-
-  def WaitForDocumentReadyStateToBeComplete(self,
-      timeout=DEFAULT_WEB_CONTENTS_TIMEOUT):
-    self._inspector_backend.WaitForDocumentReadyStateToBeComplete(timeout)
-
-  def WaitForDocumentReadyStateToBeInteractiveOrBetter(self,
-      timeout=DEFAULT_WEB_CONTENTS_TIMEOUT):
-    self._inspector_backend.WaitForDocumentReadyStateToBeInteractiveOrBetter(
-        timeout)
-
-  def ExecuteJavaScript(self, expr, timeout=DEFAULT_WEB_CONTENTS_TIMEOUT):
-    """Executes expr in JavaScript. Does not return the result.
-
-    If the expression failed to evaluate, EvaluateException will be raised.
-    """
-    self._inspector_backend.ExecuteJavaScript(expr, timeout)
-
-  def EvaluateJavaScript(self, expr, timeout=DEFAULT_WEB_CONTENTS_TIMEOUT):
-    """Evalutes expr in JavaScript and returns the JSONized result.
-
-    Consider using ExecuteJavaScript for cases where the result of the
-    expression is not needed.
-
-    If evaluation throws in JavaScript, a Python EvaluateException will
-    be raised.
-
-    If the result of the evaluation cannot be JSONized, then an
-    EvaluationException will be raised.
-    """
-    return self._inspector_backend.EvaluateJavaScript(expr, timeout)
-
-  @property
-  def message_output_stream(self):
-    return self._inspector_backend.message_output_stream
-
-  @message_output_stream.setter
-  def message_output_stream(self, stream):
-    self._inspector_backend.message_output_stream = stream
-
-  @property
-  def timeline_model(self):
-    return self._inspector_backend.timeline_model
-
-  def StartTimelineRecording(self):
-    self._inspector_backend.StartTimelineRecording()
-
-  def StopTimelineRecording(self):
-    self._inspector_backend.StopTimelineRecording()