Add path option(path2d) for hit regions on canvas2d.

Source/bindings/v8/Dictionary.cpp

Index: Source/bindings/v8/Dictionary.cpp
diff --git a/Source/bindings/v8/Dictionary.cpp b/Source/bindings/v8/Dictionary.cpp
index c39a8d627bb5fc24606e99272341294db6d0363a..d3c366385a01cd81295217c236fd669a8b9c1cf1 100644
--- a/Source/bindings/v8/Dictionary.cpp
+++ b/Source/bindings/v8/Dictionary.cpp
@@ -31,6 +31,7 @@
 #include "bindings/core/v8/V8EventTarget.h"
 #include "bindings/core/v8/V8MediaKeyError.h"
 #include "bindings/core/v8/V8MessagePort.h"
+#include "bindings/core/v8/V8Path2D.h"
 #include "bindings/core/v8/V8Storage.h"
 #include "bindings/core/v8/V8TextTrack.h"
 #include "bindings/core/v8/V8VoidCallback.h"
@@ -429,6 +430,16 @@ bool Dictionary::getWithUndefinedOrNullCheck(const String& key, RefPtrWillBeMemb
     return true;
 }
 
+bool Dictionary::getWithUndefinedOrNullCheck(const String& key, RefPtr<Path2D>& value) const
+{
+    v8::Local<v8::Value> v8Value;
+    if (!getKey(key, v8Value) || WebCore::isUndefinedOrNull(v8Value))
+        return false;
+
+    value = V8Path2D::toNativeWithTypeCheck(m_isolate, v8Value);
+    return true;
+}
+
 bool Dictionary::get(const String& key, RefPtr<Uint8Array>& value) const
 {
     v8::Local<v8::Value> v8Value;