Update includes to new header locations.

chrome/renderer/autofill/autofill_browsertest.cc

 // Copyright (c) 2011 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 "base/utf_string_conversions.h"
 #include "chrome/common/autofill_messages.h"
 #include "chrome/test/base/chrome_render_view_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputElement.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "webkit/glue/form_data.h"
 #include "webkit/glue/form_field.h"
 
 using WebKit::WebDocument;
 using WebKit::WebFrame;
 using WebKit::WebInputElement;
 using WebKit::WebString;
 using webkit_glue::FormData;
 using webkit_glue::FormField;
 
@@ skipping 139 matching lines @@
   const IPC::Message* message2 =
       render_thread_->sink().GetUniqueMessageMatching(
           AutofillHostMsg_FillAutofillFormData::ID);
 
   // No message should be sent in this case.  |firstname| is filled directly.
   ASSERT_EQ(static_cast<IPC::Message*>(NULL), message2);
   EXPECT_EQ(firstname.value(), WebKit::WebString::fromUTF8("David"));
 }
 
 }  // namespace autofill