Renderer-side changes for NoState Prefetch

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 44900c503d5a46d869bd335d49f37958e2b0c9ce..ee9bec6a8a6de107dd070595a0dc671111ffc1fb 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -193,6 +193,7 @@
 #include "core/loader/FrameLoaderClient.h"
 #include "core/loader/ImageLoader.h"
 #include "core/loader/NavigationScheduler.h"
+#include "core/loader/PrerendererClient.h"
 #include "core/loader/appcache/ApplicationCacheHost.h"
 #include "core/observer/ResizeObserverController.h"
 #include "core/page/ChromeClient.h"
@@ -1320,6 +1321,15 @@ PageVisibilityState Document::pageVisibilityState() const
     return m_frame->page()->visibilityState();
 }
 
+bool Document::isPrefetchOnly() const
+{
+    if (!m_frame || !m_frame->page())
+        return false;
+
+    PrerendererClient* prerendererClient = PrerendererClient::from(m_frame->page());
+    return prerendererClient && prerendererClient->isPrefetchOnly();
+}
+
 String Document::visibilityState() const
 {
     return pageVisibilityStateString(pageVisibilityState());