Fix mistake in r229993.

build/android/buildbot/bb_host_steps.py

 #!/usr/bin/env python
 # 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 os
 import sys
 
 import bb_utils
 import bb_annotations
 
 sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
 from pylib import constants
 
 
 SLAVE_SCRIPTS_DIR = os.path.join(bb_utils.BB_BUILD_DIR, 'scripts', 'slave')
 VALID_HOST_TESTS = set(['check_webview_licenses', 'findbugs'])
 EXPERIMENTAL_TARGETS = ['android_experimental']
 
+DIR_BUILD_ROOT = os.path.dirname(constants.DIR_SOURCE_ROOT)
+
 # Short hand for RunCmd which is used extensively in this file.
 RunCmd = bb_utils.RunCmd
 
 
 def SrcPath(*path):
   return os.path.join(constants.DIR_SOURCE_ROOT, *path)
 
 
 def CheckWebViewLicenses(_):
   bb_annotations.PrintNamedStep('check_licenses')
@@ skipping 21 matching lines @@
 def Compile(options):
   RunHooks(options.target)
   cmd = [os.path.join(SLAVE_SCRIPTS_DIR, 'compile.py'),
          '--build-tool=ninja',
          '--compiler=goma',
          '--target=%s' % options.target,
          '--goma-dir=%s' % bb_utils.GOMA_DIR]
   build_targets = options.build_targets.split(',')
   bb_annotations.PrintNamedStep('compile')
   for build_target in build_targets:
-    RunCmd(cmd + ['--build-args=%s' % build_target], halt_on_failure=True)
+    RunCmd(cmd + ['--build-args=%s' % build_target],
+        halt_on_failure=True,
+        cwd=DIR_BUILD_ROOT)
   if options.experimental:
     for compile_target in EXPERIMENTAL_TARGETS:
       bb_annotations.PrintNamedStep('Experimental Compile %s' % compile_target)
       RunCmd(cmd + ['--build-args=%s' % compile_target],
              flunk_on_failure=False,
-             cwd=constants.DIR_SOURCE_ROOT)
+             cwd=DIR_BUILD_ROOT)
 
 
 def ZipBuild(options):
   bb_annotations.PrintNamedStep('zip_build')
   RunCmd([
       os.path.join(SLAVE_SCRIPTS_DIR, 'zip_build.py'),
       '--src-dir', constants.DIR_SOURCE_ROOT,
       '--build-dir', SrcPath('out'),
       '--exclude-files', 'lib.target,gen,android_webview,jingle_unittests']
-      + bb_utils.EncodeProperties(options), cwd=constants.DIR_SOURCE_ROOT)
+      + bb_utils.EncodeProperties(options), cwd=DIR_BUILD_ROOT)
 
 
 def ExtractBuild(options):
   bb_annotations.PrintNamedStep('extract_build')
   RunCmd(
       [os.path.join(SLAVE_SCRIPTS_DIR, 'extract_build.py'),
        '--build-dir', SrcPath('build'), '--build-output-dir',
        SrcPath('out')] + bb_utils.EncodeProperties(options),
-       warning_code=1, cwd=constants.DIR_SOURCE_ROOT)
+       warning_code=1, cwd=DIR_BUILD_ROOT)
 
 
 def FindBugs(options):
   bb_annotations.PrintNamedStep('findbugs')
   build_type = []
   if options.target == 'Release':
     build_type = ['--release-build']
   RunCmd([SrcPath('build', 'android', 'findbugs_diff.py')] + build_type)
   RunCmd([SrcPath(
       'tools', 'android', 'findbugs_plugin', 'test',
@@ skipping 43 matching lines @@
     return sys.exit('Unused args %s' % args)
 
   setattr(options, 'target', options.factory_properties.get('target', 'Debug'))
 
   if options.steps:
     bb_utils.RunSteps(options.steps.split(','), GetHostStepCmds(), options)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))