Add CT isolate file and CT script that will be run on swarming slaves

content/test/ct/path_util.py

Index: content/test/ct/path_util.py
diff --git a/content/test/gpu/gpu_tests/path_util.py b/content/test/ct/path_util.py
similarity index 81%
copy from content/test/gpu/gpu_tests/path_util.py
copy to content/test/ct/path_util.py
index 1a4326950583dbab76404a4988d087d98cf66be9..b7b06d5f76f8693263d0a95ffdf655fa9d25c80c 100644
--- a/content/test/gpu/gpu_tests/path_util.py
+++ b/content/test/ct/path_util.py
@@ -6,16 +6,12 @@ import os
 import sys
 
 
-def GetChromiumSrcDir():
-  return os.path.abspath(os.path.join(
-      os.path.dirname(__file__), os.pardir, os.pardir, os.pardir, os.pardir))
-
-
-def GetGpuTestDir():
-  return os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
-
-
 def AddDirToPathIfNeeded(*path_parts):
   path = os.path.abspath(os.path.join(*path_parts))
   if os.path.isdir(path) and path not in sys.path:
     sys.path.append(path)
+
+
+def GetChromiumSrcDir():
+  return os.path.abspath(os.path.join(
+      os.path.dirname(__file__), os.pardir, os.pardir, os.pardir))