Move visual rect unioning between paired items to cc::DisplayItemList.

cc/test/geometry_test_utils.h

 // Copyright 2011 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.
 
 #ifndef CC_TEST_GEOMETRY_TEST_UTILS_H_
 #define CC_TEST_GEOMETRY_TEST_UTILS_H_
 
 namespace gfx {
 class Transform;
 }
 
 namespace cc {
 
 // These are macros instead of functions so that we get useful line numbers
 // where a test failed.
 #define EXPECT_FLOAT_RECT_EQ(expected, actual)               \
   do {                                                       \
     EXPECT_FLOAT_EQ((expected).x(), (actual).x());           \
     EXPECT_FLOAT_EQ((expected).y(), (actual).y());           \
     EXPECT_FLOAT_EQ((expected).width(), (actual).width());   \
     EXPECT_FLOAT_EQ((expected).height(), (actual).height()); \
   } while (false)
 
+#define EXPECT_RECT_EQ(expected, actual)               \
+  do {                                                 \
+    const gfx::Rect& actualRect = actual;              \
+    EXPECT_EQ(expected.x(), actualRect.x());           \
+    EXPECT_EQ(expected.y(), actualRect.y());           \
+    EXPECT_EQ(expected.width(), actualRect.width());   \
+    EXPECT_EQ(expected.height(), actualRect.height()); \
+  } while (false)
+
 #define EXPECT_RECT_NEAR(expected, actual, abs_error)                 \
   do {                                                                \
     EXPECT_NEAR((expected).x(), (actual).x(), (abs_error));           \
     EXPECT_NEAR((expected).y(), (actual).y(), (abs_error));           \
     EXPECT_NEAR((expected).width(), (actual).width(), (abs_error));   \
     EXPECT_NEAR((expected).height(), (actual).height(), (abs_error)); \
   } while (false)
 
 #define EXPECT_POINT3F_EQ(expected, actual)        \
   do {                                             \
@@ skipping 53 matching lines @@
     ExpectTransformationMatrixEq(expected, actual);       \
   } while (false)
 
 // Should be used in test code only, for convenience. Production code should use
 // the gfx::Transform::GetInverse() API.
 gfx::Transform Inverse(const gfx::Transform& transform);
 
 }  // namespace cc
 
 #endif  // CC_TEST_GEOMETRY_TEST_UTILS_H_