Added Dartium changes onto 45.0.2454.104

Source/bindings/core/dart/DartDOMWrapper.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
+// 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 "bindings/core/dart/DartDOMWrapper.h"
+
+#include "bindings/core/dart/DartUtilities.h"
+#include "core/html/HTMLFormControlElement.h"
+#include "core/html/LabelableElement.h"
+#include "wtf/StringExtras.h"
+#include "wtf/text/WTFString.h"
+
+#include <stdio.h>
+
+namespace blink {
+
+Dart_PersistentHandle DartDOMWrapper::dartClass(
+    DartDOMData* domData, intptr_t cid)
+{
+    ASSERT(cid < NumWebkitClassIds);
+
+    ClassTable* table = domData->classHandleCache();
+
+    Dart_PersistentHandle persistentType = (*table)[cid];
+
+    if (persistentType)
+        return persistentType;
+
+    // Slow path: we have not encountered this type yet. Look up the registered wrapper.
+    Dart_Handle htmlLibrary = domData->htmlLibrary();
+    Dart_Handle type = Dart_Null();
+    Dart_Handle getType = Dart_NewStringFromCString("_getType");
+    intptr_t searchid = cid;
+    while (searchid > 0 && Dart_IsNull(type)) {
+        const char* keyName = DartWebkitClassInfo[searchid].jsName;
+        Dart_Handle key = Dart_NewStringFromCString(keyName);
+        type = Dart_Invoke(htmlLibrary, getType, 1, &key);
+        if (Dart_IsError(type)) {
+            DartUtilities::reportProblem(domData->scriptExecutionContext(), type);
+            break;
+        }
+
+        if (Dart_IsNull(type)) {
+            searchid = DartWebkitClassInfo[searchid].base_class_id;
+        }
+    }
+    if ((searchid <= 0) || Dart_IsError(type) || !Dart_IsType(type) || Dart_IsNull(type)) {
+        Dart_Handle error;
+        if (Dart_IsError(type)) {
+            error = type;
+        } else {
+            char message[256];
+            snprintf(message, 256, "Unsupported native browser type: %s", DartWebkitClassInfo[cid].jsName);
+            error = Dart_NewApiError(message);
+        }
+        DartUtilities::reportProblem(domData->scriptExecutionContext(), error);
+        type = Dart_GetType(htmlLibrary, Dart_NewStringFromCString("_UnsupportedBrowserObject"), 0, 0);
+    }
+
+    persistentType = Dart_NewPersistentHandle(type);
+    (*table)[cid] = persistentType;
+
+    return persistentType;
+}
+
+}