Delete tools/telemetry.

tools/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend_list.py

Index: tools/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend_list.py
diff --git a/tools/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend_list.py b/tools/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend_list.py
deleted file mode 100644
index 7e1f8fb179495dc6ad6d78ed18adff77bf6bfd67..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend_list.py
+++ /dev/null
@@ -1,124 +0,0 @@
-# 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 collections
-from telemetry.core import exceptions
-
-
-def DebuggerUrlToId(debugger_url):
-  return debugger_url.split('/')[-1]
-
-
-class InspectorBackendList(collections.Sequence):
-  """A dynamic sequence of active InspectorBackends."""
-
-  def __init__(self, browser_backend):
-    """Constructor.
-
-    Args:
-      browser_backend: The BrowserBackend instance to query for
-          InspectorBackends.
-    """
-    self._browser_backend = browser_backend
-    self._devtools_context_map_backend = None
-    # A list of filtered contexts.
-    self._filtered_context_ids = []
-    # A cache of inspector backends, by context ID.
-    self._wrapper_dict = {}
-
-  @property
-  def _devtools_client(self):
-    return self._browser_backend.devtools_client
-
-  @property
-  def app(self):
-    return self._browser_backend.app
-
-  def GetContextInfo(self, context_id):
-    return self._devtools_context_map_backend.GetContextInfo(context_id)
-
-  def ShouldIncludeContext(self, _):
-    """Override this method to control which contexts are included."""
-    return True
-
-  def CreateWrapper(self, inspector_backend_instance):
-    """Override to return the wrapper API over InspectorBackend.
-
-    The wrapper API is the public interface for InspectorBackend. It
-    may expose whatever methods are desired on top of that backend.
-    """
-    raise NotImplementedError
-
-  # TODO(nednguyen): Remove this method and turn inspector_backend_list API to
-  # dictionary-like API (crbug.com/398467)
-  def __getitem__(self, index):
-    self._Update()
-    if index >= len(self._filtered_context_ids):
-      raise exceptions.DevtoolsTargetCrashException(
-          self.app,
-          'Web content with index %s may have crashed. '
-          'filtered_context_ids = %s' % (
-              index, repr(self._filtered_context_ids)))
-    context_id = self._filtered_context_ids[index]
-    return self.GetBackendFromContextId(context_id)
-
-  def GetTabById(self, identifier):
-    self._Update()
-    return self.GetBackendFromContextId(identifier)
-
-  def GetBackendFromContextId(self, context_id):
-    self._Update()
-    if context_id not in self._wrapper_dict:
-      try:
-        backend = self._devtools_context_map_backend.GetInspectorBackend(
-            context_id)
-      except exceptions.Error as e:
-        self._HandleDevToolsConnectionError(e)
-        raise e
-      # Propagate KeyError from GetInspectorBackend call.
-
-      wrapper = self.CreateWrapper(backend)
-      self._wrapper_dict[context_id] = wrapper
-    return self._wrapper_dict[context_id]
-
-  def IterContextIds(self):
-    self._Update()
-    return iter(self._filtered_context_ids)
-
-  def __iter__(self):
-    self._Update()
-    for context_id in self._filtered_context_ids:
-      yield self.GetTabById(context_id)
-
-  def __len__(self):
-    self._Update()
-    return len(self._filtered_context_ids)
-
-  def _Update(self):
-    backends_map = self._devtools_client.GetUpdatedInspectableContexts()
-    self._devtools_context_map_backend = backends_map
-
-    # Clear context ids that do not appear in the inspectable contexts.
-    context_ids = [context['id'] for context in backends_map.contexts]
-    self._filtered_context_ids = [context_id
-                                  for context_id in self._filtered_context_ids
-                                  if context_id in context_ids]
-    # Add new context ids.
-    for context in backends_map.contexts:
-      if (context['id'] not in self._filtered_context_ids and
-          self.ShouldIncludeContext(context)):
-        self._filtered_context_ids.append(context['id'])
-
-    # Clean up any backends for contexts that have gone away.
-    for context_id in self._wrapper_dict.keys():
-      if context_id not in self._filtered_context_ids:
-        del self._wrapper_dict[context_id]
-
-  def _HandleDevToolsConnectionError(self, error):
-    """Called when handling errors in connecting to the DevTools websocket.
-
-    This can be overwritten by sub-classes to add more debugging information to
-    errors.
-    """
-    pass