Move ScriptWrappable and dependencies to platform/bindings

third_party/WebKit/Source/platform/bindings/V8ObjectConstructor.h

Index: third_party/WebKit/Source/platform/bindings/V8ObjectConstructor.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/V0CustomElementBinding.h b/third_party/WebKit/Source/platform/bindings/V8ObjectConstructor.h
similarity index 60%
copy from third_party/WebKit/Source/bindings/core/v8/V0CustomElementBinding.h
copy to third_party/WebKit/Source/platform/bindings/V8ObjectConstructor.h
index 268df98e9ddb395237473dcd8e91c91b05ff4c75..323853903272c93d334a05918efd02cd4fee7cee 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V0CustomElementBinding.h
+++ b/third_party/WebKit/Source/platform/bindings/V8ObjectConstructor.h
@@ -28,31 +28,56 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef V0CustomElementBinding_h
-#define V0CustomElementBinding_h
+#ifndef V8ObjectConstructor_h
+#define V8ObjectConstructor_h
 
-#include <memory>
-
-#include "bindings/core/v8/ScopedPersistent.h"
+#include "platform/PlatformExport.h"
+#include "platform/bindings/V8PerIsolateData.h"
 #include "platform/wtf/Allocator.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 
-class V0CustomElementBinding {
-  USING_FAST_MALLOC(V0CustomElementBinding);
+class ConstructorMode {
+  STACK_ALLOCATED();
 
  public:
-  static std::unique_ptr<V0CustomElementBinding> Create(
-      v8::Isolate*,
-      v8::Local<v8::Object> prototype);
-  ~V0CustomElementBinding();
+  enum Mode { kWrapExistingObject, kCreateNewObject };
+
+  ConstructorMode(v8::Isolate* isolate) : isolate_(isolate) {
+    V8PerIsolateData* data = V8PerIsolateData::From(isolate_);
+    previous_ = data->constructor_mode_;
+    data->constructor_mode_ = kWrapExistingObject;
+  }
+
+  ~ConstructorMode() {
+    V8PerIsolateData* data = V8PerIsolateData::From(isolate_);
+    data->constructor_mode_ = previous_;
+  }
+
+  static bool Current(v8::Isolate* isolate) {
+    return V8PerIsolateData::From(isolate)->constructor_mode_;
+  }
 
  private:
-  V0CustomElementBinding(v8::Isolate*, v8::Local<v8::Object> prototype);
-  ScopedPersistent<v8::Object> prototype_;
+  v8::Isolate* isolate_;
+  bool previous_;
+};
+
+class PLATFORM_EXPORT V8ObjectConstructor {
+  STATIC_ONLY(V8ObjectConstructor);
+
+ public:
+  static v8::MaybeLocal<v8::Object> NewInstance(
+      v8::Isolate*,
+      v8::Local<v8::Function>,
+      int argc = 0,
+      v8::Local<v8::Value> argv[] = nullptr);
+
+  static void IsValidConstructorMode(
+      const v8::FunctionCallbackInfo<v8::Value>&);
 };
 
 }  // namespace blink
 
-#endif  // V0CustomElementBinding_h
+#endif  // V8ObjectConstructor_h