Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/core/dart/shared_lib/DartNativeExtensionsWin.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 10 matching lines @@
  * 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 "sky/engine/config.h"
-#include "sky/engine/core/animation/animatable/AnimatableLengthPoint3D.h"
+#include "config.h"
+#include "bindings/core/dart/shared_lib/DartNativeExtensions.h"
+
+#if defined(ENABLE_DART_NATIVE_EXTENSIONS)
+#if OS(WIN)
+#include "wtf/text/StringUTF8Adaptor.h"
+#include <string>
+
 
 namespace blink {
 
-PassRefPtr<AnimatableValue> AnimatableLengthPoint3D::interpolateTo(const AnimatableValue* value, double fraction) const
+Dart_Handle DartNativeExtensions::loadExtensionLibrary(const String& libraryPath, const String& libraryName, void** libraryHandle)
 {
-    const AnimatableLengthPoint3D* lengthPoint = toAnimatableLengthPoint3D(value);
-    return AnimatableLengthPoint3D::create(
-        AnimatableValue::interpolate(this->x(), lengthPoint->x(), fraction),
-        AnimatableValue::interpolate(this->y(), lengthPoint->y(), fraction),
-        AnimatableValue::interpolate(this->z(), lengthPoint->z(), fraction));
+    String libraryFile = libraryPath;
+    libraryFile.append(libraryName);
+    libraryFile.append(".dll");
+
+    *libraryHandle = LoadLibraryW(libraryFile.characters16());
+    if (!*libraryHandle) {
+        return Dart_NewApiError("Error loading library.");
+    }
+    return Dart_Null();
 }
 
-bool AnimatableLengthPoint3D::equalTo(const AnimatableValue* value) const
+Dart_Handle DartNativeExtensions::resolveSymbol(void* libHandle, const String& symbolName, void** symbol)
 {
-    const AnimatableLengthPoint3D* lengthPoint = toAnimatableLengthPoint3D(value);
-    return x()->equals(lengthPoint->x()) && y()->equals(lengthPoint->y()) && z()->equals(lengthPoint->z());
+    *symbol = GetProcAddress(reinterpret_cast<HMODULE>(libHandle), symbolName.characters16());
+    if (!*symbol) {
+        return Dart_NewApiError("Error resolving symbol.");
+    }
+    return Dart_Null();
 }
 
 }
+
+#endif // OS(WIN)
+#endif // defined(ENABLE_DART_NATIVE_EXTENSIONS)