Set the target type when creating the request for main resource

Source/platform/network/ResourceRequest.cpp

Index: Source/platform/network/ResourceRequest.cpp
diff --git a/Source/platform/network/ResourceRequest.cpp b/Source/platform/network/ResourceRequest.cpp
index df5058789a58c51739925d6099e630a7d4f7a5ba..7c73c10ec557925f9a8ec8cccd26c2e0a5714bad 100644
--- a/Source/platform/network/ResourceRequest.cpp
+++ b/Source/platform/network/ResourceRequest.cpp
@@ -31,6 +31,23 @@ namespace WebCore {
 
 double ResourceRequest::s_defaultTimeoutInterval = INT_MAX;
 
+
+ResourceRequest ResourceRequest::createMainResourceRequest(const KURL& url, bool isMainFrame)
+{
+    ResourceRequest request = ResourceRequest(url);
+    request.setTargetTypeForMainResource(isMainFrame);
+    return request;
+}
+
+ResourceRequest ResourceRequest::createMainResourceRequest(
+    const KURL& url, bool isMainFrame, const Referrer& referrer,
+    ResourceRequestCachePolicy cachePolicy)
+{
+    ResourceRequest request = ResourceRequest(url, referrer, cachePolicy);
+    request.setTargetTypeForMainResource(isMainFrame);
+    return request;
+}
+
 PassOwnPtr<ResourceRequest> ResourceRequest::adopt(PassOwnPtr<CrossThreadResourceRequestData> data)
 {
     OwnPtr<ResourceRequest> request = adoptPtr(new ResourceRequest());
@@ -320,6 +337,11 @@ static const AtomicString& pragmaHeaderString()
     return pragmaHeader;
 }
 
+void ResourceRequest::setTargetTypeForMainResource(bool isMainFrame)
+{
+    m_targetType = isMainFrame ? TargetIsMainFrame : TargetIsSubframe;
+}
+
 const CacheControlHeader& ResourceRequest::cacheControlHeader() const
 {
     if (!m_cacheControlHeaderCache.parsed)