Navigation transitions: Initiate navigation transition and send serialized markup to Chrome

Source/core/loader/EmptyClients.h

Index: Source/core/loader/EmptyClients.h
diff --git a/Source/core/loader/EmptyClients.h b/Source/core/loader/EmptyClients.h
index f066f02cd9c80ae662493daa1d50157794b1633c..ae9f041d5cf6d5af0e04fe33774a8e8be1992e45 100644
--- a/Source/core/loader/EmptyClients.h
+++ b/Source/core/loader/EmptyClients.h
@@ -190,7 +190,7 @@ public:
     virtual void dispatchDidHandleOnloadEvents() OVERRIDE { }
     virtual void dispatchDidReceiveServerRedirectForProvisionalLoad() OVERRIDE { }
     virtual void dispatchWillClose() OVERRIDE { }
-    virtual void dispatchDidStartProvisionalLoad() OVERRIDE { }
+    virtual void dispatchDidStartProvisionalLoad(bool isTransitionNavigation) OVERRIDE { }
     virtual void dispatchDidReceiveTitle(const String&) OVERRIDE { }
     virtual void dispatchDidChangeIcons(IconType) OVERRIDE { }
     virtual void dispatchDidCommitLoad(LocalFrame*, HistoryItem*, HistoryCommitType) OVERRIDE { }
@@ -201,7 +201,7 @@ public:
     virtual void dispatchDidFirstVisuallyNonEmptyLayout() OVERRIDE { }
     virtual void dispatchDidChangeThemeColor() OVERRIDE { };
 
-    virtual NavigationPolicy decidePolicyForNavigation(const ResourceRequest&, DocumentLoader*, NavigationPolicy) OVERRIDE;
+    virtual NavigationPolicy decidePolicyForNavigation(const ResourceRequest&, DocumentLoader*, NavigationPolicy, bool isTransitionNavigation) OVERRIDE;
 
     virtual void dispatchWillSendSubmitEvent(HTMLFormElement*) OVERRIDE;
     virtual void dispatchWillSubmitForm(HTMLFormElement*) OVERRIDE;