[chromedriver] Load the automation extension as a component extension.

chrome/test/chromedriver/test/run_java_tests.py

Index: chrome/test/chromedriver/test/run_java_tests.py
diff --git a/chrome/test/chromedriver/test/run_java_tests.py b/chrome/test/chromedriver/test/run_java_tests.py
index 76ecaf33e1e05852f7fb77ef9812f6d80597be3b..5b7b3beee3bc87bb2b489df815cad6cb901c1448 100755
--- a/chrome/test/chromedriver/test/run_java_tests.py
+++ b/chrome/test/chromedriver/test/run_java_tests.py
@@ -105,8 +105,11 @@ def _Run(java_tests_src_dir, test_filter,
 
   jvm_args = []
   if debug:
-    jvm_args += ['-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,'
-                 'address=33081']
+    transport = 'dt_socket'
+    if util.IsWindows():
+      transport = 'dt_shmem'
+    jvm_args += ['-agentlib:jdwp=transport=%s,server=y,suspend=y,'
+                 'address=33081' % transport]
     # Unpack the sources into the test directory and add to the class path
     # for ease of debugging, particularly with jdb.
     util.Unzip(os.path.join(java_tests_src_dir, 'test-nodeps-srcs.jar'),