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

cc/test/geometry_test_utils.cc

Index: cc/test/geometry_test_utils.cc
diff --git a/cc/test/geometry_test_utils.cc b/cc/test/geometry_test_utils.cc
index 68afd4b0e5e64191153369b3c4446daa530d1323..0d5df9430e392536ebbd3faa7d8926f5950dd325 100644
--- a/cc/test/geometry_test_utils.cc
+++ b/cc/test/geometry_test_utils.cc
@@ -4,11 +4,17 @@
 
 #include "cc/test/geometry_test_utils.h"
 
-#include "testing/gtest/include/gtest/gtest.h"
 #include <public/WebTransformationMatrix.h>
 
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/transform.h"
+
 namespace WebKitTests {
 
+// NOTE: even though transform data types use double precision, we only check
+// for equality within single-precision error bounds because many transforms
+// originate from single-precision data types such as quads/rects/etc.
+
 void ExpectTransformationMatrixEq(const WebKit::WebTransformationMatrix& expected,
                                   const WebKit::WebTransformationMatrix& actual)
 {
@@ -30,4 +36,25 @@ void ExpectTransformationMatrixEq(const WebKit::WebTransformationMatrix& expecte
     EXPECT_FLOAT_EQ((expected).m44(), (actual).m44());
 }
 
+void ExpectTransformationMatrixEq(const gfx::Transform& expected,
+                                  const gfx::Transform& actual)
+{
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(0, 0), (actual).matrix().getDouble(0, 0));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(1, 0), (actual).matrix().getDouble(1, 0));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(2, 0), (actual).matrix().getDouble(2, 0));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(3, 0), (actual).matrix().getDouble(3, 0));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(0, 1), (actual).matrix().getDouble(0, 1));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(1, 1), (actual).matrix().getDouble(1, 1));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(2, 1), (actual).matrix().getDouble(2, 1));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(3, 1), (actual).matrix().getDouble(3, 1));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(0, 2), (actual).matrix().getDouble(0, 2));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(1, 2), (actual).matrix().getDouble(1, 2));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(2, 2), (actual).matrix().getDouble(2, 2));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(3, 2), (actual).matrix().getDouble(3, 2));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(0, 3), (actual).matrix().getDouble(0, 3));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(1, 3), (actual).matrix().getDouble(1, 3));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(2, 3), (actual).matrix().getDouble(2, 3));
+    EXPECT_FLOAT_EQ((expected).matrix().getDouble(3, 3), (actual).matrix().getDouble(3, 3));
+}
+
 } // namespace WebKitTests