IDL: Add any support to IDL dictionary and use it in CustomEventInit

Source/bindings/core/v8/ScriptValue.cpp

 /*
  * Copyright (C) 2008, 2009, 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "bindings/core/v8/ScriptValue.h"
 
 #include "bindings/core/v8/ScriptState.h"
+#include "bindings/core/v8/SerializedScriptValueFactory.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "platform/JSONValues.h"
 
 namespace blink {
 
 v8::Local<v8::Value> ScriptValue::v8Value() const
 {
     if (isEmpty())
         return v8::Local<v8::Value>();
 
     ASSERT(isolate()->InContext());
 
     // This is a check to validate that you don't return a ScriptValue to a world different
     // from the world that created the ScriptValue.
     // Probably this could be:
     //   if (&m_scriptState->world() == &DOMWrapperWorld::current(isolate()))
     //       return v8::Local<v8::Value>();
     // instead of triggering RELEASE_ASSERT.
     RELEASE_ASSERT(&m_scriptState->world() == &DOMWrapperWorld::current(isolate()));
     return m_value->newLocal(isolate());
 }
 
 v8::Local<v8::Value> ScriptValue::v8ValueUnsafe() const
 {
     if (isEmpty())
         return v8::Local<v8::Value>();
     return m_value->newLocal(isolate());
 }
 
+v8::Local<v8::Value> ScriptValue::v8ValueFor(ScriptState* targetScriptState)
+{
+    if (isEmpty())
+        return v8::Local<v8::Value>();
+    v8::Isolate* isolate = targetScriptState->isolate();
+    if (&m_scriptState->world() == &targetScriptState->world())
+        return m_value->newLocal(isolate);
+
+    ASSERT(isolate->InContext());
+    ASSERT(!m_scriptState->world().isWorkerWorld());
+    ASSERT(!targetScriptState->world().isWorkerWorld());

[haraken, 2015/05/20 00:43:42]

Are these isWorkerWorld checks useful?

[bashi, 2015/05/20 00:52:22]

I thought someone may misuse v8ValueFor() in workers, but it seems it unlikely
happens. Removed.

+    v8::Local<v8::Value> value = m_value->newLocal(isolate);
+    RefPtr<SerializedScriptValue> serialized = SerializedScriptValueFactory::instance().createAndSwallowExceptions(isolate, value);
+    return serialized->deserialize();
+}
+
 bool ScriptValue::toString(String& result) const
 {
     if (isEmpty())
         return false;
 
     ScriptState::Scope scope(m_scriptState.get());
     v8::Local<v8::Value> string = v8Value();
     if (string.IsEmpty() || !string->IsString())
         return false;
     result = toCoreString(v8::Local<v8::String>::Cast(string));
     return true;
 }
 
 ScriptValue ScriptValue::createNull(ScriptState* scriptState)
 {
     return ScriptValue(scriptState, v8::Null(scriptState->isolate()));
 }
 
 } // namespace blink