SameSite: Correctly set requests' initiator for new tabs.

third_party/WebKit/Source/core/loader/FrameFetchContextTest.cpp

Index: third_party/WebKit/Source/core/loader/FrameFetchContextTest.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameFetchContextTest.cpp b/third_party/WebKit/Source/core/loader/FrameFetchContextTest.cpp
index 8e8aa81b628772857b19df076b07cbf2a646fc14..f65305645c75f6e3451fdfc75b14f5bf6de59ac0 100644
--- a/third_party/WebKit/Source/core/loader/FrameFetchContextTest.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameFetchContextTest.cpp
@@ -43,6 +43,7 @@
 #include "core/testing/DummyPageHolder.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/weborigin/KURL.h"
+#include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/WebAddressSpace.h"
 #include "public/platform/WebCachePolicy.h"
 #include "public/platform/WebInsecureRequestPolicy.h"
@@ -636,4 +637,32 @@ TEST_F(FrameFetchContextTest, SetIsExternalRequestForLocalDocument)
     }
 }
 
+TEST_F(FrameFetchContextTest, PopulateRequestorData)
+{
+    FrameFetchContext::provideDocumentToContext(*fetchContext, document.get());
+    KURL documentURL(ParsedURLString, "http://example.com/document.html");
+    document->setURL(documentURL);
+    document->setSecurityOrigin(SecurityOrigin::create(documentURL));
+
+    {
+        ResourceRequest request("http://not-example.com/");
+        request.setFrameType(WebURLRequest::FrameTypeNone);
+
+        fetchContext->populateRequestorDataIfNecessary(request);
+
+        EXPECT_TRUE(SecurityOrigin::create(document->url())->isSameSchemeHostPortAndSuborigin(request.requestorOrigin().get()));
+        EXPECT_EQ(document->firstPartyForCookies(), request.firstPartyForCookies());
+    }
+
+    {
+        ResourceRequest request("http://not-example.com/");
+        request.setFrameType(WebURLRequest::FrameTypeTopLevel);
+
+        fetchContext->populateRequestorDataIfNecessary(request);
+
+        EXPECT_TRUE(request.requestorOrigin()->isUnique());
+        EXPECT_EQ(KURL(), request.firstPartyForCookies());
+    }
+}
+
 } // namespace blink