Export BindingSecurity checks via WebFrame

Source/web/WebLocalFrameImpl.cpp

Index: Source/web/WebLocalFrameImpl.cpp
diff --git a/Source/web/WebLocalFrameImpl.cpp b/Source/web/WebLocalFrameImpl.cpp
index 02c239e5269994f4437674fb7456c484e56fdd65..224d445e24820954ef1276705fde3a125d594447 100644
--- a/Source/web/WebLocalFrameImpl.cpp
+++ b/Source/web/WebLocalFrameImpl.cpp
@@ -85,6 +85,7 @@
 #include "config.h"
 #include "web/WebLocalFrameImpl.h"
 
+#include "bindings/core/v8/BindingSecurity.h"
 #include "bindings/core/v8/DOMWrapperWorld.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
@@ -199,6 +200,7 @@
 #include "public/web/WebHistoryItem.h"
 #include "public/web/WebIconURL.h"
 #include "public/web/WebInputElement.h"
+#include "public/web/WebKit.h"
 #include "public/web/WebNode.h"
 #include "public/web/WebPerformance.h"
 #include "public/web/WebPlugin.h"
@@ -947,6 +949,11 @@ v8::Local<v8::Context> WebLocalFrameImpl::mainWorldScriptContext() const
     return scriptState->context();
 }
 
+bool WebFrame::scriptCanAccess(WebFrame* target)
+{
+    return BindingSecurity::shouldAllowAccessToFrame(mainThreadIsolate(), toCoreFrame(target), DoNotReportSecurityError);
+}
+
 void WebLocalFrameImpl::reload(bool ignoreCache)
 {
     // TODO(clamy): Remove this function once RenderFrame calls load for all