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

Source/core/loader/DocumentLoader.cpp

Index: Source/core/loader/DocumentLoader.cpp
diff --git a/Source/core/loader/DocumentLoader.cpp b/Source/core/loader/DocumentLoader.cpp
index 83ddc49d44fbb1da20b5fc1e9bf998d2f496947d..01270e11977fa0a59e51d1cee1c57e253b15ad54 100644
--- a/Source/core/loader/DocumentLoader.cpp
+++ b/Source/core/loader/DocumentLoader.cpp
@@ -297,7 +297,7 @@ bool DocumentLoader::isRedirectAfterPost(const ResourceRequest& newRequest, cons
     return false;
 }
 
-bool DocumentLoader::shouldContinueForNavigationPolicy(const ResourceRequest& request, ContentSecurityPolicyCheck shouldCheckMainWorldContentSecurityPolicy)
+bool DocumentLoader::shouldContinueForNavigationPolicy(const ResourceRequest& request, ContentSecurityPolicyCheck shouldCheckMainWorldContentSecurityPolicy, bool isTransitionNavigation)
 {
     // Don't ask if we are loading an empty URL.
     if (request.url().isEmpty() || m_substituteData.isValid())
@@ -316,7 +316,7 @@ bool DocumentLoader::shouldContinueForNavigationPolicy(const ResourceRequest& re
     }
 
     NavigationPolicy policy = m_triggeringAction.policy();
-    policy = frameLoader()->client()->decidePolicyForNavigation(request, this, policy);
+    policy = frameLoader()->client()->decidePolicyForNavigation(request, this, policy, isTransitionNavigation);
     if (policy == NavigationPolicyCurrentTab)
         return true;
     if (policy == NavigationPolicyIgnore)