Move geometric types to a separate, more lightweight target.

ui/gfx/geometry/matrix3_unittest.cc

 // Copyright (c) 2013 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 <cmath>
 #include <limits>
 
 #include "base/basictypes.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "ui/gfx/matrix3_f.h"
+#include "ui/gfx/geometry/matrix3_f.h"
 
 namespace gfx {
 namespace {
 
 TEST(Matrix3fTest, Constructors) {
   Matrix3F zeros = Matrix3F::Zeros();
   Matrix3F ones = Matrix3F::Ones();
   Matrix3F identity = Matrix3F::Identity();
 
   Matrix3F product_ones = Matrix3F::FromOuterProduct(
@@ skipping 118 matching lines @@
   expected_eigv -= eigenvals;
   EXPECT_NEAR(0, expected_eigv.LengthSquared(), 0.00001f);
   expected_eigenvectors.set(0.04926317f, -0.92135662f, -0.38558414f,
                             0.82134249f, 0.25703273f, -0.50924521f,
                             0.56830419f, -0.2916096f, 0.76941158f);
   EXPECT_TRUE(expected_eigenvectors.IsNear(eigenvectors, 0.00001f));
 }
 
 }
 }