Navigation transitions: Added notifyTransitionsShown and setupTransitionsView to WebLocalFrame

Source/web/WebLocalFrameImpl.cpp

Index: Source/web/WebLocalFrameImpl.cpp
diff --git a/Source/web/WebLocalFrameImpl.cpp b/Source/web/WebLocalFrameImpl.cpp
index b052ed726f259bcd1677e81f63d0948ac1b6407a..1595d68a54e1a239addd00aa4edc359698eb2d8a 100644
--- a/Source/web/WebLocalFrameImpl.cpp
+++ b/Source/web/WebLocalFrameImpl.cpp
@@ -1224,6 +1224,13 @@ void WebLocalFrameImpl::extendSelectionAndDelete(int before, int after)
     frame()->inputMethodController().extendSelectionAndDelete(before, after);
 }
 
+void WebLocalFrameImpl::navigateToSandboxedMarkup(const WebData& markup)
+{
+    ASSERT(document().securityOrigin().isUnique());
+    frame()->loader().forceSandboxFlags(SandboxAll);
+    loadHTMLString(markup, document().url(), WebURL(), true);
+}
+
 void WebLocalFrameImpl::setCaretVisible(bool visible)
 {
     frame()->selection().setCaretVisible(visible);