Keep only base/extractor.[cc|h].

statsreport/build.scons

-# Copyright 2008-2009 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-# ========================================================================
-
-Import('env')
-
-# Create a local clone, so the parent environment is
-# unaffected by changes made here.
-local_env = env.Clone()
-
-local_env.Append(
-    CCFLAGS = [
-        '/we4018',
-        '/we4365',
-
-        # enumerator in switch is not explicitly handled by a case label
-        '/wd4061',
-        ],
-)
-
-inputs = [
-    'aggregator.cc',
-    'aggregator-win32.cc',
-    'const-win32.cc',
-    'formatter.cc',
-    'metrics.cc',
-    'persistent_iterator-win32.cc',
-    ]
-
-# Build these into a library.
-local_env.ComponentStaticLibrary('statsreport', inputs)