Let revision script add commit dates.

tools/push-to-trunk/test_scripts.py

Index: tools/push-to-trunk/test_scripts.py
diff --git a/tools/push-to-trunk/test_scripts.py b/tools/push-to-trunk/test_scripts.py
index 28d67b8ddea9fd6365c349957289772fc8812e80..108d1519e0ef8b4740a713167b4b81b81eb3ca3b 100644
--- a/tools/push-to-trunk/test_scripts.py
+++ b/tools/push-to-trunk/test_scripts.py
@@ -1191,6 +1191,7 @@ LOG=N
           "Version 3.3.1.1 (merged 12)\n\nReview URL: fake.com\n"),
       Git("log -1 --format=%s hash2", ""),
       Git("svn find-rev hash2", "234"),
+      Git("log -1 --format=%ci hash2", "18:15"),
       Git("checkout -f HEAD -- %s" % TEST_CONFIG[VERSION_FILE], "",
           cb=ResetVersion(22, 5)),
       Git("reset --hard svn/3.21", ""),
@@ -1201,6 +1202,7 @@ LOG=N
       Git("log -1 --format=%B hash3", ""),
       Git("log -1 --format=%s hash3", ""),
       Git("svn find-rev hash3", "123"),
+      Git("log -1 --format=%ci hash3", "03:15"),
       Git("checkout -f HEAD -- %s" % TEST_CONFIG[VERSION_FILE], "",
           cb=ResetVersion(22, 5)),
       Git("reset --hard svn/trunk", ""),
@@ -1211,6 +1213,7 @@ LOG=N
       Git("log -1 --format=%B hash6", ""),
       Git("log -1 --format=%s hash6", ""),
       Git("svn find-rev hash6", "345"),
+      Git("log -1 --format=%ci hash6", ""),
       Git("checkout -f HEAD -- %s" % TEST_CONFIG[VERSION_FILE], "",
           cb=ResetVersion(22, 5)),
       Git("status -s -uno", ""),
@@ -1247,15 +1250,15 @@ LOG=N
     expected_json = [
       {"bleeding_edge": "", "patches_merged": "", "version": "3.22.3",
        "chromium_revision": "4567", "branch": "trunk", "revision": "345",
-       "review_link": "",
+       "review_link": "", "date": "",
        "revision_link": "https://code.google.com/p/v8/source/detail?r=345"},
       {"patches_merged": "", "bleeding_edge": "", "version": "3.21.2",
        "chromium_revision": "", "branch": "3.21", "revision": "123",
-       "review_link": "",
+       "review_link": "", "date": "03:15",
        "revision_link": "https://code.google.com/p/v8/source/detail?r=123"},
       {"patches_merged": "12", "bleeding_edge": "", "version": "3.3.1.1",
        "chromium_revision": "", "branch": "3.3", "revision": "234",
-       "review_link": "fake.com",
+       "review_link": "fake.com", "date": "18:15",
        "revision_link": "https://code.google.com/p/v8/source/detail?r=234"},
     ]
     self.assertEquals(expected_json, json.loads(FileToText(json_output)))