DevTools: Async call stacks for window.postMessage()

Source/bindings/core/v8/ScriptFunctionCall.cpp

Index: Source/bindings/core/v8/ScriptFunctionCall.cpp
diff --git a/Source/bindings/core/v8/ScriptFunctionCall.cpp b/Source/bindings/core/v8/ScriptFunctionCall.cpp
index 4f4af8f0f0f174e5af1483b8de97f91eab205e2e..02742942d6fc1e0b27fa466852c53344e199eec9 100644
--- a/Source/bindings/core/v8/ScriptFunctionCall.cpp
+++ b/Source/bindings/core/v8/ScriptFunctionCall.cpp
@@ -45,7 +45,7 @@ namespace blink {
 void ScriptCallArgumentHandler::appendArgument(const ScriptValue& argument)
 {
     if (argument.scriptState() != m_scriptState) {
-        ASSERT_NOT_REACHED();
+        appendArgument();

[yurys, 2014/07/21 12:45:32]

Looks like it should be done in a separate patch.

[aandrey, 2014/07/22 11:08:43]

Done. Extracted to http://crrev.com/412443002

         return;
     }
     m_arguments.append(argument);
@@ -111,11 +111,21 @@ void ScriptCallArgumentHandler::appendArgument(const Vector<ScriptValue>& argume
     v8::Isolate* isolate = m_scriptState->isolate();
     ScriptState::Scope scope(m_scriptState.get());
     v8::Handle<v8::Array> result = v8::Array::New(isolate, argument.size());
-    for (size_t i = 0; i < argument.size(); ++i)
-        result->Set(v8::Integer::New(isolate, i), argument[i].v8Value());
+    for (size_t i = 0; i < argument.size(); ++i) {
+        if (argument[i].scriptState() != m_scriptState)
+            result->Set(v8::Integer::New(isolate, i), v8::Undefined(isolate));
+        else
+            result->Set(v8::Integer::New(isolate, i), argument[i].v8Value());
+    }
     m_arguments.append(ScriptValue(m_scriptState.get(), result));
 }
 
+void ScriptCallArgumentHandler::appendArgument()
+{
+    v8::Isolate* isolate = m_scriptState->isolate();
+    m_arguments.append(ScriptValue(m_scriptState.get(), v8::Undefined(isolate)));
+}
+
 ScriptFunctionCall::ScriptFunctionCall(const ScriptValue& thisObject, const String& name)
     : ScriptCallArgumentHandler(thisObject.scriptState())
     , m_thisObject(thisObject)