Revert "Revert "Support multiple DOM isolates and tweak devtools frontend to better handle large #s…

Source/bindings/core/dart/DartScriptState.cpp

 /*
  * Copyright (C) 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
@@ skipping 21 matching lines @@
 #include "bindings/core/dart/DartScriptState.h"
 
 #include "bindings/core/dart/DartScriptPromise.h"
 #include "bindings/core/dart/DartScriptPromiseResolver.h"
 #include "bindings/core/dart/DartUtilities.h"
 #include "platform/SharedBuffer.h"
 #include <dart_debugger_api.h>
 
 namespace blink {
 
-DartScriptState::DartScriptState(Dart_Isolate isolate, intptr_t libraryId, V8ScriptState* v8ScriptState)
+DartScriptState::DartScriptState(Dart_Isolate isolate, intptr_t libraryId, V8ScriptState* v8ScriptState, const String& isolateName)
 {
     m_isolate = isolate;
     m_libraryId = libraryId;
-    m_libraryUrl = DartUtilities::toString(Dart_GetLibraryURL(libraryId));
+    String libraryUrl = DartUtilities::toString(Dart_GetLibraryURL(libraryId));
+    if (!isolateName.isEmpty()) {
+        m_name = String::format("%s - %s", isolateName.utf8().data(), libraryUrl.utf8().data());
+    } else {
+        m_name = libraryUrl;
+    }
     m_v8ScriptState = v8ScriptState;
 }
 
 bool DartScriptState::contextIsValid() const
 {
     if (m_v8ScriptState)
         return m_v8ScriptState->contextIsValid();
     return true;
 }
 
@@ skipping 67 matching lines @@
 
 #ifndef NDEBUG
 void DartScriptState::assertPrimaryKeyValidOrInjectable(PassRefPtr<SharedBuffer> buffer, const Vector<blink::WebBlobInfo>* blobInfo, IDBKey* key, const IDBKeyPath& keyPath)
 {
     // FIXMEDART: Implement without Dart<->V8 conversion.
     return v8ScriptState()->assertPrimaryKeyValidOrInjectable(buffer, blobInfo, key, keyPath);
 }
 #endif
 
 } // namespace blink