Fix folder icon animation in app list.

ui/gfx/transform_util_unittest.cc

 // Copyright (c) 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 "ui/gfx/transform_util.h"
 
+#include "base/logging.h"

[Matt Giuca, 2014/11/04 01:05:18]

Don't think you need this.

[calamity, 2014/11/04 01:40:30]

Done.

 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/point3_f.h"
 #include "ui/gfx/rect.h"
 
 namespace gfx {
 namespace {
 
 TEST(TransformUtilTest, GetScaleTransform) {
   const Point kAnchor(20, 40);
   const float kScale = 0.5f;
 
   Transform scale = GetScaleTransform(kAnchor, kScale);
 
   const int kOffset = 10;
   for (int sign_x = -1; sign_x <= 1; ++sign_x) {
     for (int sign_y = -1; sign_y <= 1; ++sign_y) {
       Point test(kAnchor.x() + sign_x * kOffset,
                  kAnchor.y() + sign_y * kOffset);
       scale.TransformPoint(&test);
 
       EXPECT_EQ(Point(kAnchor.x() + sign_x * kOffset * kScale,
                       kAnchor.y() + sign_y * kOffset * kScale),
                 test);
     }
   }
 }
 
+TEST(TransformUtilTest, GetRectTransform) {

[Matt Giuca, 2014/11/04 01:05:18]

Good test.

+  gfx::Rect from(20, 40, 40, 40);
+  gfx::Rect to(-10, 20, 80, 20);
+
+  Transform transform = GetRectTransform(from, to);
+
+  std::vector<std::pair<gfx::Point, gfx::Point> > test_data;
+  test_data.push_back(std::make_pair(from.origin(), to.origin()));
+  test_data.push_back(std::make_pair(from.bottom_right(), to.bottom_right()));
+  test_data.push_back(std::make_pair(from.CenterPoint(), to.CenterPoint()));
+
+  for (const auto& data : test_data) {
+    Point test = data.first;
+    transform.TransformPoint(&test);
+    EXPECT_EQ(data.second, test);
+  }
+}
+
 TEST(TransformUtilTest, SnapRotation) {
   Transform result(Transform::kSkipInitialization);
   Transform transform;
   transform.RotateAboutZAxis(89.99);
 
   Rect viewport(1920, 1200);
   bool snapped = SnapTransform(&result, transform, viewport);
 
   EXPECT_TRUE(snapped) << "Viewport should snap for this rotation.";
 }
@@ skipping 126 matching lines @@
   transform.Translate3d(SkDoubleToMScalar(30.5), SkDoubleToMScalar(20.0),
                         SkDoubleToMScalar(10.1));
   transform.SkewX(20.0);
   Rect viewport(1920, 1200);
   bool snapped = SnapTransform(&result, transform, viewport);
   EXPECT_FALSE(snapped) << "Skewed viewport should not snap.";
 }
 
 }  // namespace
 }  // namespace gfx