Support merged Dart-JS callstacks

Source/bindings/common/StackTrace.cpp

 /*
  * Copyright (C) 2014 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 11 matching lines @@
  * 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/common/Dictionary.h"
+#include "bindings/common/StackTrace.h"
 
 namespace WebCore {
 
-void ConversionContext::resetPerPropertyContext()
+StackTraces::StackTraces(StackTrace trace, ScriptState* scriptState)
 {
-    if (m_dirty) {
-        m_dirty = false;
-        m_isNullable = false;
-        m_propertyTypeName = "";
+    add(trace, scriptState);
+}
+
+
+StackTrace StackTraces::lookup(ScriptState* scriptState) const
+{
+    StackTraceMap::const_iterator it = m_traces.find(scriptState);
+    if (it != m_traces.end())
+        return it->value;
+    ASSERT_NOT_REACHED();
+    return StackTrace();
+}
+
+void StackTraces::add(const StackTrace& trace, ScriptState* scriptState)
+{
+    m_traces.set(scriptState, trace);
+}
+
+void StackTraces::add(const StackTraces& traces)
+{
+    for (const_iterator it = traces.begin(); it != traces.end(); ++it) {
+        m_traces.set(it->key, it->value);
     }
 }
 
-ConversionContext& ConversionContext::setConversionType(const String& typeName, bool isNullable)
-{
-    ASSERT(!m_dirty);
-    m_dirty = true;
-    m_isNullable = isNullable;
-    m_propertyTypeName = typeName;
-
-    return *this;
-}
-
-void ConversionContext::throwTypeError(const String& detail)
-{
-    exceptionState().throwTypeError(detail);
-}
-
-Dictionary::~Dictionary()
-{
-}
-
 } // namespace WebCore