Implement rotate*() methods in DOMMatrix.

Source/core/dom/DOMMatrixReadOnly.cpp

Index: Source/core/dom/DOMMatrixReadOnly.cpp
diff --git a/Source/core/dom/DOMMatrixReadOnly.cpp b/Source/core/dom/DOMMatrixReadOnly.cpp
index 40de8340d88080c989cec20dd278657950403d6c..abdb408eef73b0725faa03a55e15a61f60dc7ea9 100644
--- a/Source/core/dom/DOMMatrixReadOnly.cpp
+++ b/Source/core/dom/DOMMatrixReadOnly.cpp
@@ -38,4 +38,19 @@ DOMMatrix* DOMMatrixReadOnly::scaleNonUniform(double sx, double sy, double sz,
     return DOMMatrix::create(this)->scaleNonUniformSelf(sx, sy, sz, ox, oy, oz);
 }
 
+DOMMatrix* DOMMatrixReadOnly::rotate(double angle, double ox, double oy)
+{
+    return DOMMatrix::create(this)->rotateSelf(angle, ox, oy);
+}
+
+DOMMatrix* DOMMatrixReadOnly::rotateFromVector(double x, double y)
+{
+    return DOMMatrix::create(this)->rotateFromVectorSelf(x, y);
+}
+
+DOMMatrix* DOMMatrixReadOnly::rotateAxisAngle(double x, double y, double z, double angle)
+{
+    return DOMMatrix::create(this)->rotateAxisAngleSelf(x, y, z, angle);
+}
+
 } // namespace blink