[test] call willSendRequest in dispatchWillSendRequest

third_party/WebKit/Source/web/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 6008 matching lines @@
 {
     registerMockedHttpURLLoad("foo_with_image.html");
     registerMockedHttpURLLoad("white-1x1.png");
     TestSameDocumentWithImageWebFrameClient client;
     FrameTestHelpers::WebViewHelper webViewHelper;
     webViewHelper.initializeAndLoad(m_baseURL + "foo_with_image.html", true, &client, nullptr, nullptr, &configureLoadsImagesAutomatically);
 
     WebCache::clear();
     FrameTestHelpers::loadFrame(webViewHelper.webView()->mainFrame(), m_baseURL + "foo_with_image.html");
 
-    // 2 images are requested, and each triggers 2 willSendRequest() calls,
-    // once for preloading and once for the real request.
-    EXPECT_EQ(client.numOfImageRequests(), 4);
+    // 2 images are requested, and each triggers 1 willSendRequest() calls for
+    // the preload. The real requests are served from MemoryCache.
+    EXPECT_EQ(client.numOfImageRequests(), 2);
 }
 
 TEST_P(ParameterizedWebFrameTest, WebNodeImageContents)
 {
     FrameTestHelpers::WebViewHelper webViewHelper;
     webViewHelper.initializeAndLoad("about:blank", true);
     WebFrame* frame = webViewHelper.webView()->mainFrame();
 
     static const char bluePNG[] = "<img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAGElEQVQYV2NkYPj/n4EIwDiqEF8oUT94AFIQE/cCn90IAAAAAElFTkSuQmCC\">";
 
@@ skipping 2896 matching lines @@
     FrameTestHelpers::WebViewHelper helper;
     helper.initializeAndLoad(url, true);
     Platform::current()->getURLLoaderMockFactory()->setLoaderDelegate(nullptr);
 
     Document* document = toLocalFrame(helper.webView()->page()->mainFrame())->document();
     EXPECT_TRUE(document->isImageDocument());
     EXPECT_EQ(Resource::DecodeError, toImageDocument(document)->cachedImage()->getStatus());
 }
 
 } // namespace blink