Propogate loading behavior data from Blink to content/

third_party/WebKit/public/web/WebFrameClient.h

Index: third_party/WebKit/public/web/WebFrameClient.h
diff --git a/third_party/WebKit/public/web/WebFrameClient.h b/third_party/WebKit/public/web/WebFrameClient.h
index 5fd21c9dc1ceb855c01633ff06731e3ecf9f89b1..3e33a93c3b32444dd0e23d4b9719caa538218ef0 100644
--- a/third_party/WebKit/public/web/WebFrameClient.h
+++ b/third_party/WebKit/public/web/WebFrameClient.h
@@ -49,6 +49,7 @@
 #include "public/platform/WebCommon.h"
 #include "public/platform/WebFileSystem.h"
 #include "public/platform/WebFileSystemType.h"
+#include "public/platform/WebLoadingData.h"
 #include "public/platform/WebSecurityOrigin.h"
 #include "public/platform/WebSetSinkIdCallbacks.h"
 #include "public/platform/WebStorageQuotaCallbacks.h"
@@ -488,6 +489,10 @@ public:
     // A performance timing event (e.g. first paint) occurred
     virtual void didChangePerformanceTiming() { }
 
+    // Blink exhibited a certain loading behavior that the browser process will
+    // use for segregated histograms.
+    virtual void didObserveLoadingBehavior(WebLoadingData) { }
+
 
     // Script notifications ------------------------------------------------