ui: Remove implicit flooring in skia rect conversion methods.

ui/gfx/rect_unittest.cc

Index: ui/gfx/rect_unittest.cc
diff --git a/ui/gfx/rect_unittest.cc b/ui/gfx/rect_unittest.cc
index dce1e38284fcd99cae60b677a448d0825f331eda..84c69956620eed011ea06323cebbbfb282dc3c07 100644
--- a/ui/gfx/rect_unittest.cc
+++ b/ui/gfx/rect_unittest.cc
@@ -394,10 +394,18 @@ TEST(RectTest, SharesEdgeWith) {
   EXPECT_FALSE(r.SharesEdgeWith(just_right_no_edge));
 }
 
-TEST(RectTest, SkRectToRect) {
-  Rect src(10, 20, 30, 40);
-  SkRect skrect = RectToSkRect(src);
-  EXPECT_EQ(src, SkRectToRect(skrect));
+TEST(RectTest, SkiaRectConversions) {
+  Rect isrc(10, 20, 30, 40);
+  RectF fsrc(10.5f, 20.5f, 30.5f, 40.5f);
+
+  SkIRect skirect = RectToSkIRect(isrc);
+  EXPECT_EQ(isrc.ToString(), SkIRectToRect(skirect).ToString());
+
+  SkRect skrect = RectToSkRect(isrc);
+  EXPECT_EQ(gfx::RectF(isrc).ToString(), SkRectToRectF(skrect).ToString());
+
+  skrect = RectFToSkRect(fsrc);
+  EXPECT_EQ(fsrc.ToString(), SkRectToRectF(skrect).ToString());
 }
 
 // Similar to EXPECT_FLOAT_EQ, but lets NaN equal NaN
@@ -548,6 +556,17 @@ TEST(RectTest, ToEnclosingRect) {
   }
 }
 
+TEST(RectTest, ToNearestRect) {
+  Rect rect;
+  EXPECT_EQ(rect.ToString(), ToNearestRect(RectF(rect)).ToString());
+
+  rect = Rect(-1, -1, 3, 3);
+  EXPECT_EQ(rect.ToString(), ToNearestRect(RectF(rect)).ToString());
+
+  RectF rectf(-1.00001f, -0.999999f, 3.0000001f, 2.999999f);
+  EXPECT_EQ(rect.ToString(), ToNearestRect(rectf).ToString());
+}
+
 TEST(RectTest, ToFlooredRect) {
   static const struct Test {
     float x1; // source