Add running unit tests to run-bindings-tests.

third_party/WebKit/Tools/Scripts/webkitpy/common/webkit_finder.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/common/webkit_finder.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/common/webkit_finder.py b/third_party/WebKit/Tools/Scripts/webkitpy/common/webkit_finder.py
index 5393a0e3a817205d11bc4bba37a11dc01fd624a4..18fce80002bee0f53568c08a196505f4454530da 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/common/webkit_finder.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/common/webkit_finder.py
@@ -30,6 +30,47 @@ import os
 import sys
 
 
+def add_typ_dir_to_sys_path():
+    path_to_typ = get_typ_dir()
+    if path_to_typ not in sys.path:
+        sys.path.append(path_to_typ)
+
+
+def add_bindings_scripts_dir_to_sys_path():
+    path_to_bindings_scripts = get_bindings_scripts_dir()
+    if path_to_bindings_scripts not in sys.path:
+        sys.path.append(path_to_bindings_scripts)
+
+
+def get_bindings_scripts_dir():
+    return os.path.join(get_source_dir(), 'bindings', 'scripts')
+
+
+def get_blink_dir():
+    return os.path.dirname(os.path.dirname(get_scripts_dir()))
+
+
+def get_chromium_src_dir():
+    return os.path.dirname(os.path.dirname(get_blink_dir()))
+
+
+def get_scripts_dir():
+    return os.path.dirname(
+        os.path.dirname(os.path.dirname(os.path.realpath(__file__))))
+
+
+def get_source_dir():
+    return os.path.join(get_blink_dir(), 'Source')
+
+
+def get_typ_dir():
+    return os.path.join(get_chromium_src_dir(), 'third_party', 'typ')
+
+
+def get_webkitpy_thirdparty_dir():
+    return os.path.join(get_scripts_dir(), 'webkitpy', 'thirdparty')
+
+
 class WebKitFinder(object):
 
     def __init__(self, filesystem):