Model each Dart library as its own ScriptState when devtools are enabled.

Source/bindings/dart/DartInjectedScriptHost.cpp

-// Copyright 2011, Google Inc.
+// Copyright 2013, 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
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //    * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // 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 "DartErrorEvent.h"
+#include "DartInjectedScriptHost.h"
 
-#include "DartBlob.h"
-#include "DartWindow.h"
+#include "bindings/dart/DartController.h"
+#include "bindings/dart/DartHandleProxy.h"
+#include "bindings/dart/DartScriptState.h"
 #include "bindings/dart/V8Converter.h"
-#include "bindings/v8/ScriptController.h"
+#include "bindings/v8/V8HiddenPropertyName.h"
 
 namespace WebCore {
 
-namespace DartErrorEventInternal {
+/**
+ * Returns true if the expression passed in my args was evaluated as Dart code.
+ */
+v8::Handle<v8::Value> DartInjectedScriptHost::evaluateIfDartContext(v8::Handle<v8::Object> v8InjectedScriptHost, v8::Handle<v8::String> expression)
+{
+    ASSERT(!v8::Context::GetCurrent().IsEmpty());
 
-void errorGetter(Dart_NativeArguments args)
-{
-    // Tricky to implement because V8 appears to implement by setting a V8HiddenValue
-    /*
-    {
-    v8::Handle<v8::Value> error = info.Holder()->GetHiddenValue(V8HiddenPropertyName::error());
+    ScriptState* currentScriptState = 0;
+    v8::Local<v8::Value> scriptStateWrapper = v8InjectedScriptHost->GetHiddenValue(V8HiddenPropertyName::scriptState());
+    if (!scriptStateWrapper.IsEmpty() && scriptStateWrapper->IsExternal())
+        currentScriptState = static_cast<ScriptState*>(v8::External::Cast(*scriptStateWrapper)->Value());
+    else
+        currentScriptState = ScriptState::current();
 
-    if (!error.IsEmpty()) {
-        v8SetReturnValue(info, error);
-        return;
+    ScriptExecutionContext* scriptExecutionContext = currentScriptState->scriptExecutionContext();
+    ASSERT(scriptExecutionContext);
+
+    if (!currentScriptState->isJavaScript()) {
+        DartScriptState* dartScriptState = static_cast<DartScriptState*>(currentScriptState);
+        DartIsolateScope scope(dartScriptState->isolate());
+        DartApiScope apiScope;
+
+        Dart_Handle target = Dart_GetLibraryFromId(dartScriptState->libraryId());
+        return DartHandleProxy::evaluate(target, V8Converter::stringToDart(expression), Dart_Null());
     }
-        ErrorEvent* receiver = DartDOMWrapper::receiver< ErrorEvent >(args);
-
-        DartUtilities::setDartStringReturnValue(args, receiver->error());
-        return;
-    }
-    */
-    DART_UNIMPLEMENTED();
+    return v8::Handle<v8::Value>();
 }
 
-}
-
-}
+} // namespace WebCore