Removing Unused Methods in TransformationMatrix

Source/platform/transforms/TransformationMatrix.cpp

Index: Source/platform/transforms/TransformationMatrix.cpp
diff --git a/Source/platform/transforms/TransformationMatrix.cpp b/Source/platform/transforms/TransformationMatrix.cpp
index 7df46efa8fb107e9b33bfc599a6a0276fa28a284..fe702767692060f1ed36019e1d9cb1f204ab08a0 100644
--- a/Source/platform/transforms/TransformationMatrix.cpp
+++ b/Source/platform/transforms/TransformationMatrix.cpp
@@ -633,21 +633,6 @@ TransformationMatrix& TransformationMatrix::scale(double s)
     return scaleNonUniform(s, s);
 }
 
-TransformationMatrix& TransformationMatrix::rotateFromVector(double x, double y)
-{
-    return rotate(rad2deg(atan2(y, x)));
-}
-
-TransformationMatrix& TransformationMatrix::flipX()
-{
-    return scaleNonUniform(-1.0, 1.0);
-}
-
-TransformationMatrix& TransformationMatrix::flipY()
-{
-    return scaleNonUniform(1.0, -1.0);
-}
-
 FloatPoint TransformationMatrix::projectPoint(const FloatPoint& p, bool* clamped) const
 {
     // This is basically raytracing. We have a point in the destination
@@ -1641,14 +1626,6 @@ bool TransformationMatrix::isIntegerTranslation() const
     return true;
 }
 
-TransformationMatrix TransformationMatrix::to2dTransform() const
-{
-    return TransformationMatrix(m_matrix[0][0], m_matrix[0][1], 0, m_matrix[0][3],
-                                m_matrix[1][0], m_matrix[1][1], 0, m_matrix[1][3],
-                                0, 0, 1, 0,
-                                m_matrix[3][0], m_matrix[3][1], 0, m_matrix[3][3]);
-}
-
 FloatSize TransformationMatrix::to2DTranslation() const
 {
     ASSERT(isIdentityOr2DTranslation());