Set 'ResourceRequest::requestorOrigin' in Blink.

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

Index: third_party/WebKit/Source/core/loader/FrameLoadRequest.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameLoadRequest.cpp b/third_party/WebKit/Source/core/loader/FrameLoadRequest.cpp
index 9c4ad94d0bc066d6f3a534f17b09d35c6851f147..cd85218399bfc5aacbf4d3402c36335d881b9b86 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoadRequest.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameLoadRequest.cpp
@@ -46,15 +46,20 @@ FrameLoadRequest::FrameLoadRequest(Document* originDocument, const ResourceReque
     , m_shouldSetOpener(MaybeSetOpener)
     , m_shouldCheckMainWorldContentSecurityPolicy(shouldCheckMainWorldContentSecurityPolicy)
 {
+    printf("FrameLoadRequest: %s\n", resourceRequest.url().getString().utf8().data());

[nasko, 2016/07/18 23:34:43]

nit: Those will be gone before commit, right ;)

+
     // These flags are passed to a service worker which controls the page.
     m_resourceRequest.setFetchRequestMode(WebURLRequest::FetchRequestModeNavigate);
     m_resourceRequest.setFetchCredentialsMode(WebURLRequest::FetchCredentialsModeInclude);
     m_resourceRequest.setFetchRedirectMode(WebURLRequest::FetchRedirectModeManual);
 
     if (originDocument) {
+        printf("Origin document: %s!\n", originDocument->url().getString().utf8().data());
         m_resourceRequest.setRequestorOrigin(SecurityOrigin::create(originDocument->url()));
     } else {
-        if (m_resourceRequest.frameType() == WebURLRequest::FrameTypeTopLevel) {
+        if (m_substituteData.isValid()) {
+            m_resourceRequest.setRequestorOrigin(SecurityOrigin::createUnique());
+        } else if (m_resourceRequest.frameType() == WebURLRequest::FrameTypeTopLevel) {
             m_resourceRequest.setRequestorOrigin(SecurityOrigin::create(resourceRequest.url()));
         }
     }