Apply all blink changes between @202695 and tip of trunk

Source/bindings/core/dart/DartUtilities.cpp

 // Copyright 2011, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //    * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //    * Redistributions in binary form must reproduce the above
@@ skipping 18 matching lines @@
 
 #include "config.h"
 #include "bindings/core/dart/DartUtilities.h"
 
 #if OS(ANDROID)
 #include <sys/system_properties.h>
 #endif
 
 #include "bindings/core/dart/DartController.h"
 #include "bindings/core/dart/DartDOMData.h"
+#include "bindings/core/dart/DartJsInterop.h"
 #include "bindings/core/dart/DartScriptDebugServer.h"
 #include "bindings/core/dart/DartScriptState.h"
 #include "bindings/core/dart/V8Converter.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/SerializedScriptValueFactory.h"
 #include "bindings/core/v8/V8Binding.h"
+#include "bindings/core/v8/V8Node.h"
 #include "bindings/core/v8/V8PerIsolateData.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/DOMDataView.h"
 #include "core/dom/Document.h"
 #include "core/events/ErrorEvent.h"
 #include "core/fetch/FetchInitiatorTypeNames.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
 #include "core/inspector/ScriptArguments.h"
@@ skipping 502 matching lines @@
     Dart_Handle dartType = Dart_GetType(DartDOMData::current()->htmlLibrary(),
         Dart_NewStringFromCString(typeName), 0, 0);
     ASSERT(!Dart_IsError(dartType));
 
     return dartType;
 }
 
 bool DartUtilities::isNode(Dart_Handle handle)
 {
     Dart_Handle dartType = DartUtilities::getDartHtmlType("Node");
-    return objectIsType(handle, dartType);
+    if (!objectIsType(handle, dartType)) {
+        return false;
+    }
+    // Some dart:html Node instances may not really be Node objects.
+    Dart_Handle exception = 0;
+    v8::Handle<v8::Value> v8Node = JsInterop::fromDart(DartDOMData::current(), handle, exception);
+    if (exception) {
+        return false;
+    }
+    return V8Node::hasInstance(v8Node, v8::Isolate::GetCurrent());
 }
 
-Node* DartUtilities::dartNodeToNativeNode(void* value)
+Node* DartUtilities::dartNodeToNativeNode(Dart_Handle handle)
 {
-    return static_cast<Node*>(value);
+    Dart_Handle exception = 0;
+    v8::Handle<v8::Value> v8Node = JsInterop::fromDart(DartDOMData::current(), handle, exception);
+    ASSERT(!exception);
+    ASSERT(V8Node::hasInstance(v8Node, v8::Isolate::GetCurrent()));
+    Node* node = V8Node::toImpl(v8Node.As<v8::Object>());
+    return node;
 }
 
 bool DartUtilities::isMessagePort(Dart_Handle handle)
 {
     Dart_Handle dartType = DartUtilities::getDartHtmlType("MessagePort");
     return objectIsType(handle, dartType);
 }
 
 MessagePort* DartUtilities::dartMessagePortToNativeMessagePort(void* value)
 {
@@ skipping 811 matching lines @@
     if (!v) {
         return 0;
     }
     ASSERT(valueLen > 0 && static_cast<size_t>(valueLen) > strlen(v));
     strncpy(value, v, valueLen);
     value[valueLen - 1] = '\0';
     return strlen(value);
 #endif
 }
 }