Fix a build failure caused by the patch of https://bugs.webkit.org/show_bug.cgi?id=41244

chrome/renderer/form_autocomplete_browsertest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/render_messages.h"
 #include "chrome/test/render_view_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebString.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebURLError.h"
 #include "webkit/glue/form_data.h"
 
 using webkit_glue::FormData;
-using WebKit::WebCompositionCommand;
 using WebKit::WebFrame;
 using WebKit::WebString;
 using WebKit::WebTextDirection;
 using WebKit::WebURLError;
 
 typedef RenderViewTest FormAutocompleteTest;
 
 // Tests that submitting a form generates a FormSubmitted message
 // with the form fields.
 TEST_F(FormAutocompleteTest, NormalFormSubmit) {
@@ skipping 86 matching lines @@
   EXPECT_FALSE(form.autoComplete());
 
   // Submit the form.
   ExecuteJavaScript("document.getElementById('myForm').submit();");
   ProcessPendingMessages();
 
   // No FormSubmitted message should have been sent.
   EXPECT_FALSE(render_thread_.sink().GetFirstMessageMatching(
       ViewHostMsg_FormSubmitted::ID));
 }