Deprecate window.postMessage(m, transferables, origin) overload.

third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp

Index: third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp b/third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp
index f50154fc5f688d6a14c42bbf4550985ce63dbff3..f13cfeba3afe62191e31dcaa72a31a41c59fcd2b 100644
--- a/third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/custom/V8WindowCustom.cpp
@@ -47,6 +47,7 @@
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/MessagePort.h"
+#include "core/frame/Deprecation.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/ImageBitmap.h"
 #include "core/frame/LocalDOMWindow.h"
@@ -198,7 +199,7 @@ void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>
     if (info.Length() > 2) {
         int transferablesArgIndex = 2;
         if (isLegacyTargetOriginDesignation(info[2])) {
-            UseCounter::countIfNotPrivateScript(info.GetIsolate(), window->frame(), UseCounter::WindowPostMessageWithLegacyTargetOriginArgument);
+            Deprecation::countDeprecationIfNotPrivateScript(info.GetIsolate(), window->document(), UseCounter::WindowPostMessageWithLegacyTargetOriginArgument);
             targetOriginArgIndex = 2;
             transferablesArgIndex = 1;
         }