Make UseCounter take a LocaFrame instead of any Frame

third_party/WebKit/Source/core/frame/DOMWindow.cpp

Index: third_party/WebKit/Source/core/frame/DOMWindow.cpp
diff --git a/third_party/WebKit/Source/core/frame/DOMWindow.cpp b/third_party/WebKit/Source/core/frame/DOMWindow.cpp
index 494b9c9621af541389e29938ff45d6541bfcfb77..792f78ec63ec7d50d63e5d060caea628a4c826f3 100644
--- a/third_party/WebKit/Source/core/frame/DOMWindow.cpp
+++ b/third_party/WebKit/Source/core/frame/DOMWindow.cpp
@@ -223,15 +223,17 @@ void DOMWindow::postMessage(PassRefPtr<SerializedScriptValue> message,
                                            ->ToString());
   if (MixedContentChecker::IsMixedContent(source_document->GetSecurityOrigin(),
                                           target_url)) {
-    UseCounter::Count(GetFrame(), UseCounter::kPostMessageFromSecureToInsecure);
+    UseCounter::Count(source->GetFrame(),
+                      UseCounter::kPostMessageFromSecureToInsecure);
   } else if (MixedContentChecker::IsMixedContent(
                  GetFrame()->GetSecurityContext()->GetSecurityOrigin(),
                  source_document->Url())) {
-    UseCounter::Count(GetFrame(), UseCounter::kPostMessageFromInsecureToSecure);
+    UseCounter::Count(source->GetFrame(),
+                      UseCounter::kPostMessageFromInsecureToSecure);
     if (MixedContentChecker::IsMixedContent(
             GetFrame()->Tree().Top().GetSecurityContext()->GetSecurityOrigin(),
             source_document->Url())) {
-      UseCounter::Count(GetFrame(),
+      UseCounter::Count(source->GetFrame(),
                         UseCounter::kPostMessageFromInsecureToSecureToplevel);
     }
   }
@@ -240,7 +242,8 @@ void DOMWindow::postMessage(PassRefPtr<SerializedScriptValue> message,
           target_url, RedirectStatus::kNoRedirect,
           SecurityViolationReportingPolicy::kSuppressReporting)) {
     UseCounter::Count(
-        GetFrame(), UseCounter::kPostMessageOutgoingWouldBeBlockedByConnectSrc);
+        source->GetFrame(),
+        UseCounter::kPostMessageOutgoingWouldBeBlockedByConnectSrc);
   }
 
   MessageEvent* event =