Added Dartium changes onto 45.0.2454.104

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

Index: Source/bindings/core/dart/shared_lib/DartNativeExtensionsPosix.cpp
diff --git a/Source/core/svg/SVGPointTearOff.cpp b/Source/bindings/core/dart/shared_lib/DartNativeExtensionsPosix.cpp
similarity index 54%
copy from Source/core/svg/SVGPointTearOff.cpp
copy to Source/bindings/core/dart/shared_lib/DartNativeExtensionsPosix.cpp
index 706d26dab6c52256d253def792931381f8ebb77b..9cc1e4c28385daa2e054da55f7215c901f2f109f 100644
--- a/Source/core/svg/SVGPointTearOff.cpp
+++ b/Source/bindings/core/dart/shared_lib/DartNativeExtensionsPosix.cpp
@@ -29,47 +29,52 @@
  */
 
 #include "config.h"
+#include "bindings/core/dart/shared_lib/DartNativeExtensions.h"
 
-#include "core/svg/SVGPointTearOff.h"
+#if defined(ENABLE_DART_NATIVE_EXTENSIONS)
+#if OS(POSIX)
+#include "wtf/text/StringUTF8Adaptor.h"
+#include <dlfcn.h>
+#include <string>
 
-#include "bindings/core/v8/ExceptionState.h"
-#include "core/dom/ExceptionCode.h"
-#include "core/svg/SVGElement.h"
-#include "core/svg/SVGMatrixTearOff.h"
 
 namespace blink {
 
-SVGPointTearOff::SVGPointTearOff(PassRefPtrWillBeRawPtr<SVGPoint> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName)
-    : SVGPropertyTearOff<SVGPoint>(target, contextElement, propertyIsAnimVal, attributeName)
+Dart_Handle DartNativeExtensions::loadExtensionLibrary(const String& libraryPath, const String& libraryName, void** libraryHandle)
 {
-}
-
-void SVGPointTearOff::setX(float f, ExceptionState& exceptionState)
-{
-    if (isImmutable()) {
-        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
-        return;
+    String libraryFile = libraryPath;
+#if OS(MACOSX)
+    libraryFile.append("lib");
+    libraryFile.append(libraryName);
+    libraryFile.append(".dylib");
+#else
+    libraryFile.append("lib");
+    libraryFile.append(libraryName);
+    libraryFile.append(".so");
+#endif
+    StringUTF8Adaptor utf8LibraryFile(libraryFile);
+    std::string utf8LibraryFileStr(utf8LibraryFile.data(), utf8LibraryFile.length());
+    *libraryHandle = dlopen(utf8LibraryFileStr.c_str(), RTLD_LAZY);
+    if (!*libraryHandle) {
+        return Dart_NewApiError(dlerror());
     }
-
-    target()->setX(f);
-    commitChange();
+    return Dart_Null();
 }
 
-void SVGPointTearOff::setY(float f, ExceptionState& exceptionState)
+Dart_Handle DartNativeExtensions::resolveSymbol(void* libHandle, const String& symbolName, void** symbol)
 {
-    if (isImmutable()) {
-        exceptionState.throwDOMException(NoModificationAllowedError, "The attribute is read-only.");
-        return;
+    StringUTF8Adaptor utf8Symbol(symbolName);
+    std::string utf8SymbolStr(utf8Symbol.data(), utf8Symbol.length());
+    dlerror();
+    *symbol = dlsym(libHandle, utf8SymbolStr.c_str());
+    const char* error = dlerror();
+    if (error) {
+        return Dart_NewApiError(error);
     }
-
-    target()->setY(f);
-    commitChange();
+    return Dart_Null();
 }
 
-PassRefPtrWillBeRawPtr<SVGPointTearOff> SVGPointTearOff::matrixTransform(PassRefPtrWillBeRawPtr<SVGMatrixTearOff> matrix)
-{
-    FloatPoint point = target()->matrixTransform(matrix->value());
-    return SVGPointTearOff::create(SVGPoint::create(point), 0, PropertyIsNotAnimVal);
 }
 
-}
+#endif // OS(POSIX)
+#endif // defined(ENABLE_DART_NATIVE_EXTENSIONS)