Added Dartium changes onto 45.0.2454.104

Source/bindings/core/dart/DartCallback.cpp

Index: Source/bindings/core/dart/DartCallback.cpp
diff --git a/Source/web/DatabaseClientImpl.cpp b/Source/bindings/core/dart/DartCallback.cpp
similarity index 57%
copy from Source/web/DatabaseClientImpl.cpp
copy to Source/bindings/core/dart/DartCallback.cpp
index c53821321d294dc939f450faf90e71862ee59bfa..ef8058a26c401fa5756abad21b402c01f6c40d66 100644
--- a/Source/web/DatabaseClientImpl.cpp
+++ b/Source/bindings/core/dart/DartCallback.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013 Google Inc. All rights reserved.
+ * Copyright (C) 2006-2011 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
@@ -29,43 +29,48 @@
  */
 
 #include "config.h"
-#include "web/DatabaseClientImpl.h"
+#include "bindings/core/dart/DartCallback.h"
 
-#include "core/dom/Document.h"
-#include "core/dom/ExecutionContext.h"
-#include "public/web/WebContentSettingsClient.h"
-#include "web/WebLocalFrameImpl.h"
+#include "bindings/core/dart/DartController.h"
+#include "bindings/core/dart/DartDOMData.h"
+#include "bindings/core/dart/DartUtilities.h"
 
 namespace blink {
 
-PassOwnPtrWillBeRawPtr<DatabaseClientImpl> DatabaseClientImpl::create()
+DartCallback::DartCallback(Dart_Handle object, Dart_Handle& exception)
 {
-    return adoptPtrWillBeNoop(new DatabaseClientImpl());
+    if (!Dart_IsClosure(object)) {
+        exception = Dart_NewStringFromCString("Callback must be a function");
+        m_callback = 0;
+        return;
+    }
+    m_callback = Dart_NewPersistentHandle(object);
 }
 
-DatabaseClientImpl::~DatabaseClientImpl()
+DartCallback::~DartCallback()
 {
-}
+    if (!m_callback || !isIsolateAlive())
+        return;
 
-DEFINE_TRACE(DatabaseClientImpl)
-{
-    DatabaseClient::trace(visitor);
+    DartIsolateScope scope(isolate());
+    Dart_DeletePersistentHandle(m_callback);
 }
 
-bool DatabaseClientImpl::allowDatabase(ExecutionContext* executionContext, const String& name, const String& displayName, unsigned long estimatedSize)
+bool DartCallback::handleEvent(int argc, Dart_Handle* argv)
 {
-    ASSERT(executionContext->isContextThread());
-    Document* document = toDocument(executionContext);
-    WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(document->frame());
-    if (!webFrame)
+    ASSERT(isolate() == Dart_CurrentIsolate());
+    ASSERT(m_callback);
+
+    ExecutionContext* context = DartDOMData::current()->scriptExecutionContext();
+    DartController* dartController = DartController::retrieve(context);
+
+    Dart_Handle result = dartController->callFunction(Dart_HandleFromPersistent(m_callback), argc, argv);
+    if (Dart_IsError(result)) {
+        DartUtilities::reportProblem(context, result);
         return false;
-    if (webFrame->contentSettingsClient())
-        return webFrame->contentSettingsClient()->allowDatabase(name, displayName, estimatedSize);
+    }
+
     return true;
 }
 
-DatabaseClientImpl::DatabaseClientImpl()
-{
 }
-
-} // namespace blink