Migrate most of cc/ from WebKit::WebTransformationMatrix to gfx::Transform

cc/layer_iterator_unittest.cc

 // Copyright 2012 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 "cc/layer_iterator.h"
 
 #include "cc/layer.h"
 #include "cc/layer_tree_host_common.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include <public/WebTransformationMatrix.h>
+#include "ui/gfx/transform.h"
 
-using WebKit::WebTransformationMatrix;
 using ::testing::Mock;
 using ::testing::_;
 using ::testing::AtLeast;
 using ::testing::AnyNumber;
 
 namespace cc {
 namespace {
 
 class TestLayer : public Layer {
 public:
@@ skipping 221 matching lines @@
     EXPECT_COUNT(root21, -1, -1, 9);
     EXPECT_COUNT(root22, 7, 8, 6);
     EXPECT_COUNT(root221, -1, -1, 5);
     EXPECT_COUNT(root23, 3, 4, 2);
     EXPECT_COUNT(root231, -1, -1, 1);
     EXPECT_COUNT(root3, -1, -1, 0);
 }
 
 }  // namespace
 }  // namespace cc