Add support for bounds animations

ui/gfx/test/gfx_util.cc

 // Copyright 2014 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 "ui/gfx/test/gfx_util.h"
 
 #include <iomanip>
 #include <sstream>
 #include <string>
 
@@ skipping 102 matching lines @@
                                                SkColor rhs) {
   if (lhs == rhs) {
     return ::testing::AssertionSuccess();
   }
   return ::testing::AssertionFailure() << "Value of: " << rhs_expr
                                        << "\n  Actual: " << ColorAsString(rhs)
                                        << "\nExpected: " << lhs_expr
                                        << "\nWhich is: " << ColorAsString(lhs);
 }
 
+::testing::AssertionResult AssertSizeFFloatEqual(const char* lhs_expr,
+                                                 const char* rhs_expr,
+                                                 const SizeF& lhs,
+                                                 const SizeF& rhs) {
+  if (FloatAlmostEqual(lhs.width(), rhs.width()) &&
+      FloatAlmostEqual(lhs.height(), rhs.height())) {
+    return ::testing::AssertionSuccess();
+  }
+  return ::testing::AssertionFailure()
+         << "Value of: " << rhs_expr << "\n  Actual: " << rhs.ToString()
+         << "\nExpected: " << lhs_expr << "\nWhich is: " << lhs.ToString();
+}
+
 void PrintTo(const AxisTransform2d& transform, ::std::ostream* os) {
   *os << transform.ToString();
 }
 
 void PrintTo(const BoxF& box, ::std::ostream* os) {
   *os << box.ToString();
 }
 
 void PrintTo(const Point& point, ::std::ostream* os) {
   *os << point.ToString();
@@ skipping 41 matching lines @@
 
 void PrintTo(const Vector2dF& vector, ::std::ostream* os) {
   *os << vector.ToString();
 }
 
 void PrintTo(const Vector3dF& vector, ::std::ostream* os) {
   *os << vector.ToString();
 }
 
 }  // namespace gfx