Convert HTMLFrameOwnerElement and FocusController to use Frame.

Source/bindings/v8/custom/V8HTMLFrameElementCustom.cpp

Index: Source/bindings/v8/custom/V8HTMLFrameElementCustom.cpp
diff --git a/Source/bindings/v8/custom/V8HTMLFrameElementCustom.cpp b/Source/bindings/v8/custom/V8HTMLFrameElementCustom.cpp
index c9e108b54a5fbd38d36546a1f45ae6cca96a71e7..d6eda71d0357ae284e62a4bb57eef09d25e907e5 100644
--- a/Source/bindings/v8/custom/V8HTMLFrameElementCustom.cpp
+++ b/Source/bindings/v8/custom/V8HTMLFrameElementCustom.cpp
@@ -35,6 +35,7 @@
 #include "bindings/v8/BindingSecurity.h"
 #include "bindings/v8/ExceptionState.h"
 #include "bindings/v8/V8Binding.h"
+#include "core/frame/LocalFrame.h"
 #include "core/html/HTMLFrameElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 
@@ -48,7 +49,7 @@ void V8HTMLFrameElement::locationAttributeSetterCustom(v8::Local<v8::Value> valu
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, locationValue, value);
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "location", "HTMLFrameElement", info.Holder(), info.GetIsolate());
-    if (protocolIsJavaScript(stripLeadingAndTrailingHTMLSpaces(locationValue)) && !BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), frame->contentFrame(), exceptionState)) {
+    if (protocolIsJavaScript(stripLeadingAndTrailingHTMLSpaces(locationValue)) && !BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), toLocalFrame(frame->contentFrame()), exceptionState)) {
         exceptionState.throwIfNeeded();
         return;
     }