Added Dartium changes onto 45.0.2454.104

Source/bindings/core/dart/shared_lib/DartNativeExtensions.cpp

Index: Source/bindings/core/dart/shared_lib/DartNativeExtensions.cpp
diff --git a/Source/core/svg/SVGPointTearOff.cpp b/Source/bindings/core/dart/shared_lib/DartNativeExtensions.cpp
similarity index 54%
copy from Source/core/svg/SVGPointTearOff.cpp
copy to Source/bindings/core/dart/shared_lib/DartNativeExtensions.cpp
index 706d26dab6c52256d253def792931381f8ebb77b..742722d49681e665f325c38d61ee36a5a12e3b29 100644
--- a/Source/core/svg/SVGPointTearOff.cpp
+++ b/Source/bindings/core/dart/shared_lib/DartNativeExtensions.cpp
@@ -30,46 +30,54 @@
 
 #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());
 
-void SVGPointTearOff::setX(float f, ExceptionState& exceptionState)
-{
-    if (isImmutable()) {
-        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
-        return;
+    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);
     }
 
-    target()->setX(f);
-    commitChange();
-}
+    void* libraryHandle = 0;
+    Dart_Handle result = loadExtensionLibrary(path, name, &libraryHandle);
+    if (Dart_IsError(result)) {
+        return result;
+    }
 
-void SVGPointTearOff::setY(float f, ExceptionState& exceptionState)
-{
-    if (isImmutable()) {
-        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
-        return;
+    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;
     }
 
-    target()->setY(f);
-    commitChange();
+    return (*fn)(parentLibrary);
 }
-
-PassRefPtrWillBeRawPtr<SVGPointTearOff> SVGPointTearOff::matrixTransform(PassRefPtrWillBeRawPtr<SVGMatrixTearOff> matrix)
+#else
+Dart_Handle DartNativeExtensions::loadExtension(const String& url, Dart_Handle parentLibrary)
 {
-    FloatPoint point = target()->matrixTransform(matrix->value());
-    return SVGPointTearOff::create(SVGPoint::create(point), 0, PropertyIsNotAnimVal);
+    return Dart_NewApiError("Native extensions are not enabled.");
 }
+#endif // defined(ENABLE_DART_NATIVE_EXTENSIONS)
 
 }
+
+