Added Dartium changes onto 45.0.2454.104

Source/bindings/core/dart/shared_lib/DartNativeExtensions.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 12 matching lines @@
  * 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 "core/svg/SVGPointTearOff.h"
+#include "bindings/core/dart/shared_lib/DartNativeExtensions.h"
 
-#include "bindings/core/v8/ExceptionState.h"
-#include "core/dom/ExceptionCode.h"
-#include "core/svg/SVGElement.h"
-#include "core/svg/SVGMatrixTearOff.h"
+#include "bindings/core/dart/DartUtilities.h"
 
 namespace blink {
 
-SVGPointTearOff::SVGPointTearOff(PassRefPtrWillBeRawPtr<SVGPoint> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName)
-    : SVGPropertyTearOff<SVGPoint>(target, contextElement, propertyIsAnimVal, attributeName)
+#if defined(ENABLE_DART_NATIVE_EXTENSIONS)
+Dart_Handle DartNativeExtensions::loadExtension(const String& url, Dart_Handle parentLibrary)
 {
+    String userUri = url.substring(String("dart-ext:").length());
+
+    String name;
+    String path;
+    size_t index = userUri.reverseFind('/');
+    if (index == kNotFound) {
+        name = userUri;
+        path = "./";
+    } else if (index == userUri.length() - 1) {
+        return Dart_NewApiError("Extension name missing.");
+    } else {
+        name = userUri.substring(index + 1);
+        path = userUri.substring(0, index + 1);
+    }
+
+    void* libraryHandle = 0;
+    Dart_Handle result = loadExtensionLibrary(path, name, &libraryHandle);
+    if (Dart_IsError(result)) {
+        return result;
+    }
+
+    String initFunctionName = name + "_Init";
+
+    typedef Dart_Handle (*InitFunctionType)(Dart_Handle library);
+    InitFunctionType fn;
+    result = resolveSymbol(libraryHandle, initFunctionName, reinterpret_cast<void**>(&fn));
+    if (Dart_IsError(result)) {
+        return result;
+    }
+
+    return (*fn)(parentLibrary);
+}
+#else
+Dart_Handle DartNativeExtensions::loadExtension(const String& url, Dart_Handle parentLibrary)
+{
+    return Dart_NewApiError("Native extensions are not enabled.");
+}
+#endif // defined(ENABLE_DART_NATIVE_EXTENSIONS)
+
 }
 
-void SVGPointTearOff::setX(float f, ExceptionState& exceptionState)
-{
-    if (isImmutable()) {
-        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
-        return;
-    }
 
-    target()->setX(f);
-    commitChange();
-}
-
-void SVGPointTearOff::setY(float f, ExceptionState& exceptionState)
-{
-    if (isImmutable()) {
-        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
-        return;
-    }
-
-    target()->setY(f);
-    commitChange();
-}
-
-PassRefPtrWillBeRawPtr<SVGPointTearOff> SVGPointTearOff::matrixTransform(PassRefPtrWillBeRawPtr<SVGMatrixTearOff> matrix)
-{
-    FloatPoint point = target()->matrixTransform(matrix->value());
-    return SVGPointTearOff::create(SVGPoint::create(point), 0, PropertyIsNotAnimVal);
-}
-
-}