Navigation transitions (web to native app): Revert exit transition (Blink side)

Source/web/tests/WebDocumentTest.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 "public/web/WebDocument.h"
 
 #include "core/CSSPropertyNames.h"
 #include "core/dom/NodeRenderStyle.h"
@@ skipping 164 matching lines @@
 
     // Show transition elements
     frame->document().showTransitionElements("#foo");
     FrameTestHelpers::pumpPendingRequestsDoNotUse(frame);
     coreDoc->updateRenderTreeIfNeeded();
     transitionStyle = transitionElement->renderStyle();
     ASSERT_TRUE(transitionStyle);
     EXPECT_EQ(transitionStyle->opacity(), 1);
 }
 
+
+TEST(WebDocumentTest, SetIsTransitionDocument)
+{
+    std::string baseURL = "http://www.test.com:0/";
+    const char* htmlURL = "transition_exit.html";
+    const char* cssURL = "transition_exit.css";
+    URLTestHelpers::registerMockedURLLoad(toKURL(baseURL + htmlURL), WebString::fromUTF8(htmlURL));
+    URLTestHelpers::registerMockedURLLoad(toKURL(baseURL + cssURL), WebString::fromUTF8(cssURL));
+
+    WebViewHelper webViewHelper;
+    webViewHelper.initializeAndLoad(baseURL + htmlURL);
+
+    WebFrame* frame = webViewHelper.webView()->mainFrame();
+    Document* coreDoc = toLocalFrame(webViewHelper.webViewImpl()->page()->mainFrame())->document();
+
+    ASSERT_FALSE(coreDoc->isTransitionDocument());
+
+    frame->document().setIsTransitionDocument(true);
+    ASSERT_TRUE(coreDoc->isTransitionDocument());
+
+    frame->document().setIsTransitionDocument(false);
+    ASSERT_FALSE(coreDoc->isTransitionDocument());
 }
+
+}