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

Source/web/tests/WebDocumentTest.cpp

Index: Source/web/tests/WebDocumentTest.cpp
diff --git a/Source/web/tests/WebDocumentTest.cpp b/Source/web/tests/WebDocumentTest.cpp
index 0a8d828deb9e70c5c1597f26ded685db5a06623a..2953bbe93a9e56974c3bb8301dc5ccda2a343012 100644
--- a/Source/web/tests/WebDocumentTest.cpp
+++ b/Source/web/tests/WebDocumentTest.cpp
@@ -182,4 +182,28 @@ TEST(WebDocumentTest, HideAndShowTransitionElements)
     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());
+}
+
 }