[Autofill] Migrate ContentAutofillDriver<-->AutofillAgent IPCs to mojo.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index 7990a805b8ef0cbcf2b4ae48677474120e8ba555..6385fc43ddd205d4207bf21b6af84294efed41cf 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -2660,6 +2660,10 @@
             # TODO(dbeam): log webui URLs on iOS and test them.
             'browser/ui/webui/log_web_ui_url_browsertest.cc',
           ],
+        }, { # else: OS != "ios"
+          'dependencies': [
+            '../mojo/mojo_base.gyp:mojo_common_lib',
+          ],
         }],
         ['OS!="android" and OS!="ios"', {
           'sources': [