Fix common axes logic to detect negated axes as not common

third_party/WebKit/Source/platform/transforms/TransformOperationsTest.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 245 matching lines @@
   toSame.operations().append(RotateTransformOperation::create(
       1, 1, 1, 390, TransformOperation::Rotate3D));
   toOpposite.operations().append(RotateTransformOperation::create(
       -1, -1, -1, 390, TransformOperation::Rotate3D));
   toDifferent.operations().append(RotateTransformOperation::create(
       1, 3, 1, 390, TransformOperation::Rotate3D));
 
   FloatBox box(1, 0, 0, 0, 0, 0);
   FloatBox bounds;
   EXPECT_TRUE(toSame.blendedBoundsForBox(box, fromOps, 0, 1, &bounds));
-  EXPECT_TRUE(toOpposite.blendedBoundsForBox(box, fromOps, 0, 1, &bounds));
+  EXPECT_FALSE(toOpposite.blendedBoundsForBox(box, fromOps, 0, 1, &bounds));
   EXPECT_FALSE(toDifferent.blendedBoundsForBox(box, fromOps, 0, 1, &bounds));
 }
 
 TEST(TransformOperationsTest, AbsoluteAnimatedOnAxisRotationBounds) {
   // If we rotate a point that is on the axis of rotation, the box should not
   // change at all.
   TransformOperations fromOps;
   TransformOperations toOps;
   fromOps.operations().append(RotateTransformOperation::create(
       1, 1, 1, 30, TransformOperation::Rotate3D));
@@ skipping 225 matching lines @@
   EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual,
                       FloatBox(-33, -13, 3, 57, 19, 52), bounds);
 
   EXPECT_TRUE(
       identityOperations.blendedBoundsForBox(box, fromOps, 0, 1, &bounds));
   EXPECT_PRED_FORMAT2(FloatBoxTest::AssertAlmostEqual,
                       FloatBox(-7, -3, 2, 15, 23, 20), bounds);
 }
 
 }  // namespace blink