Implement serialization/deserialization of geometry interfaces

third_party/WebKit/Source/core/geometry/DOMMatrixReadOnly.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/geometry/DOMMatrixReadOnly.h"
 
 #include "bindings/core/v8/V8ObjectBuilder.h"
 #include "core/css/CSSIdentifierValue.h"
 #include "core/css/CSSToLengthConversionData.h"
 #include "core/css/CSSValueList.h"
@@ skipping 111 matching lines @@
           "for a 3D matrix.");
       return nullptr;
     }
     return new DOMMatrixReadOnly(sequence, sequence.size());
   }
 
   NOTREACHED();
   return nullptr;
 }
 
+DOMMatrixReadOnly* DOMMatrixReadOnly::CreateForSerialization(double sequence[],
+                                                             int size) {
+  return new DOMMatrixReadOnly(sequence, size);
+}
+
 DOMMatrixReadOnly* DOMMatrixReadOnly::fromFloat32Array(
     NotShared<DOMFloat32Array> float32_array,
     ExceptionState& exception_state) {
   if (float32_array.View()->length() != 6 &&
       float32_array.View()->length() != 16) {
     exception_state.ThrowTypeError(
         "The sequence must contain 6 elements for a 2D matrix or 16 elements a "
         "for 3D matrix.");
     return nullptr;
   }
@@ skipping 15 matching lines @@
                                float64_array.View()->length());
 }
 
 DOMMatrixReadOnly* DOMMatrixReadOnly::fromMatrix(
     DOMMatrixInit& other,
     ExceptionState& exception_state) {
   if (!ValidateAndFixup(other, exception_state)) {
     DCHECK(exception_state.HadException());
     return nullptr;
   }
-
   if (other.is2D()) {
     double args[] = {other.m11(), other.m12(), other.m21(),
                      other.m22(), other.m41(), other.m42()};
     return new DOMMatrixReadOnly(args, 6);
   }
 
   double args[] = {other.m11(), other.m12(), other.m13(), other.m14(),
                    other.m21(), other.m22(), other.m23(), other.m24(),
                    other.m31(), other.m32(), other.m33(), other.m34(),
                    other.m41(), other.m42(), other.m43(), other.m44()};
@@ skipping 230 matching lines @@
 
   matrix_->MakeIdentity();
   operations.Apply(FloatSize(0, 0), *matrix_);
 
   is2d_ = !operations.Has3DOperation();
 
   return;
 }
 
 }  // namespace blink