Android: renames pylib.constants.CHROME_DIR to DIR_SOURCE_ROOT.

build/android/pylib/base/base_test_runner.py

Index: build/android/pylib/base/base_test_runner.py
diff --git a/build/android/pylib/base/base_test_runner.py b/build/android/pylib/base/base_test_runner.py
index 559fa38f4d1bc7743a8e307261f1d71dd331dcde..662cb34934d66fa6d4e9b969f5fa55ef434bc4cd 100644
--- a/build/android/pylib/base/base_test_runner.py
+++ b/build/android/pylib/base/base_test_runner.py
@@ -98,12 +98,12 @@ class BaseTestRunner(object):
     Args:
       test_data_paths: A list of files or directories relative to |dest_dir|
           which should be copied to the device. The paths must exist in
-          |CHROME_DIR|.
+          |DIR_SOURCE_ROOT|.
       dest_dir: Absolute path to copy to on the device.
     """
     for p in test_data_paths:
       self.adb.PushIfNeeded(
-          os.path.join(constants.CHROME_DIR, p),
+          os.path.join(constants.DIR_SOURCE_ROOT, p),
           os.path.join(dest_dir, p))
 
   def LaunchTestHttpServer(self, document_root, port=None,