Move data URI image resources to be async loaded.

Source/web/tests/ActivityLoggerTest.cpp

 // Copyright 2014 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 "config.h"
 
 #include "FrameTestHelpers.h"
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/ScriptSourceCode.h"
 #include "bindings/core/v8/V8Binding.h"
@@ skipping 494 matching lines @@
     const char* code =
         "document.write('<iframe src=\\\'data:text/html;charset=utf-8,A\\\'></iframe>');"
         "document.write('<img src=\\\'data:text/html;charset=utf-8,B\\\'></img>');"
         "document.write('<link rel=\\\'stylesheet\\\' href=\\\'data:text/html;charset=utf-8,C\\\'></link>');"
         "document.write('<script src=\\\'data:text/html;charset=utf-8,D\\\'></script>');"
         "document.close();"
         "var xhr = new XMLHttpRequest(); xhr.open('GET', 'data:text/html;charset=utf-8,E'); xhr.send();";
     const char* expectedActivities =
         "blinkAddElement | iframe | data:text/html;charset=utf-8,A\n"
         "blinkRequestResource | Main resource | data:text/html;charset=utf-8,A\n"
-        "blinkRequestResource | Image | data:text/html;charset=utf-8,B\n"
         "blinkAddElement | link | stylesheet | data:text/html;charset=utf-8,C\n"
         "blinkRequestResource | CSS stylesheet | data:text/html;charset=utf-8,C\n"
         "blinkAddElement | script | data:text/html;charset=utf-8,D\n"
         "blinkRequestResource | Script | data:text/html;charset=utf-8,D\n"
-        "blinkRequestResource | XMLHttpRequest | data:text/html;charset=utf-8,E";
+        "blinkRequestResource | XMLHttpRequest | data:text/html;charset=utf-8,E\n"
+        "blinkRequestResource | Image | data:text/html;charset=utf-8,B";
     executeScriptInMainWorld(code);
     ASSERT_TRUE(verifyActivities(""));
     executeScriptInIsolatedWorld(code);
     ASSERT_TRUE(verifyActivities(expectedActivities));
 }
 
 } // namespace blink