Migrate more functions from MathUtil to gfx::Transform

cc/math_util.h

Index: cc/math_util.h
diff --git a/cc/math_util.h b/cc/math_util.h
index a3a6016e275b66ea4acc7d806ecba320e5cb2641..0d9984ef3f1071e0663ae444459c10eb8bfcee0f 100644
--- a/cc/math_util.h
+++ b/cc/math_util.h
@@ -104,8 +104,6 @@ public:
     static gfx::QuadF projectQuad(const gfx::Transform&, const gfx::QuadF&, bool& clipped);
     static gfx::PointF projectPoint(const gfx::Transform&, const gfx::PointF&, bool& clipped);
 
-    static void flattenTransformTo2d(gfx::Transform&);
-
     static gfx::Vector2dF computeTransform2dScaleComponents(const gfx::Transform&, float fallbackValue);
 
     // Returns the smallest angle between the given two vectors in degrees. Neither vector is
@@ -114,22 +112,6 @@ public:
 
     // Projects the |source| vector onto |destination|. Neither vector is assumed to be normalized.
     static gfx::Vector2dF projectVector(gfx::Vector2dF source, gfx::Vector2dF destination);
-
-    // Temporary API to ease migration from gfx::Transform
-    // to gfx::Transform.
-    //
-    // TODO(shawnsingh, vollick) we should phase out as much as possible of
-    // these temporary functions, putting functionality into gfx::Transform.
-    static void rotateEulerAngles(gfx::Transform*, double eulerX, double eulerY, double eulerZ);
-    static gfx::Transform to2dTransform(const gfx::Transform&);
-    // Note carefully: the args here are labeled as per Webcore indexing conventions.
-    static gfx::Transform createGfxTransform(double m11, double m12, double m13, double m14,
-                                             double m21, double m22, double m23, double m24,
-                                             double m31, double m32, double m33, double m34,
-                                             double m41, double m42, double m43, double m44);
-
-    static gfx::Transform createGfxTransform(double a, double b, double c,
-                                             double d, double e, double f);
 };
 
 } // namespace cc