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

Source/web/WebDocument.cpp

Index: Source/web/WebDocument.cpp
diff --git a/Source/web/WebDocument.cpp b/Source/web/WebDocument.cpp
index d5cc1b13e5b84d82bdf21191c3b0ae85cdc08159..087b67759fc2ad49cae757890162d9f388ba48bc 100644
--- a/Source/web/WebDocument.cpp
+++ b/Source/web/WebDocument.cpp
@@ -289,13 +289,34 @@ void WebDocument::setIsTransitionDocument()
     unwrap<Document>()->setIsTransitionDocument();
 }
 
+// TODO(zhenw): This will be removed once the Chrome side implementation is done
 void WebDocument::beginExitTransition(const WebString& cssSelector)
 {
     RefPtrWillBeRawPtr<Document> document = unwrap<Document>();
-    document->hideTransitionElements(cssSelector);
+    document->onTransitionElementOpacity(cssSelector, 0.0);
     document->styleEngine()->enableExitTransitionStylesheets();
 }
 
+void WebDocument::beginExitTransition(const WebString& cssSelector, const bool exitToActivity)
+{
+    RefPtrWillBeRawPtr<Document> document = unwrap<Document>();
+    if (!exitToActivity)
+        document->onTransitionElementOpacity(cssSelector, 0.0);
+    document->styleEngine()->enableExitTransitionStylesheets();
+}
+
+void WebDocument::revertExitTransition()
+{
+    RefPtrWillBeRawPtr<Document> document = unwrap<Document>();
+    document->styleEngine()->disableExitTransitionStylesheets();
+}
+
+void WebDocument::onTransitionElementOpacity(const WebString& cssSelector, const double opacity)
+{
+    RefPtrWillBeRawPtr<Document> document = unwrap<Document>();
+    document->onTransitionElementOpacity(cssSelector, opacity);

[esprehn, 2014/10/15 18:01:26]

onFoo is not a verb.

[Zhen Wang, 2014/10/15 19:50:58]

Done.

+}
+
 WebAXObject WebDocument::accessibilityObject() const
 {
     const Document* document = constUnwrap<Document>();