ui: Remove gfx::Size::ClampToNonNegative, prevent negative sizes always.

ui/gfx/size_unittest.cc

Index: ui/gfx/size_unittest.cc
diff --git a/ui/gfx/size_unittest.cc b/ui/gfx/size_unittest.cc
index a6fda9d980cbbbb47eae5f9ae433110f9bec559c..e68bdd61d38b10f9321786df8aa18d4d69f446d9 100644
--- a/ui/gfx/size_unittest.cc
+++ b/ui/gfx/size_unittest.cc
@@ -43,12 +43,6 @@ TEST(SizeTest, ToFlooredSize) {
   EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.4999f, 10.4999f)));
   EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.5f, 10.5f)));
   EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.9999f, 10.9999f)));
-
-  EXPECT_EQ(Size(-10, -10), ToFlooredSize(SizeF(-10, -10)));
-  EXPECT_EQ(Size(-11, -11), ToFlooredSize(SizeF(-10.0001f, -10.0001f)));
-  EXPECT_EQ(Size(-11, -11), ToFlooredSize(SizeF(-10.4999f, -10.4999f)));
-  EXPECT_EQ(Size(-11, -11), ToFlooredSize(SizeF(-10.5f, -10.5f)));
-  EXPECT_EQ(Size(-11, -11), ToFlooredSize(SizeF(-10.9999f, -10.9999f)));
 }
 
 TEST(SizeTest, ToCeiledSize) {
@@ -63,12 +57,6 @@ TEST(SizeTest, ToCeiledSize) {
   EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.4999f, 10.4999f)));
   EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.5f, 10.5f)));
   EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.9999f, 10.9999f)));
-
-  EXPECT_EQ(Size(-10, -10), ToCeiledSize(SizeF(-10, -10)));
-  EXPECT_EQ(Size(-10, -10), ToCeiledSize(SizeF(-10.0001f, -10.0001f)));
-  EXPECT_EQ(Size(-10, -10), ToCeiledSize(SizeF(-10.4999f, -10.4999f)));
-  EXPECT_EQ(Size(-10, -10), ToCeiledSize(SizeF(-10.5f, -10.5f)));
-  EXPECT_EQ(Size(-10, -10), ToCeiledSize(SizeF(-10.9999f, -10.9999f)));
 }
 
 TEST(SizeTest, ToRoundedSize) {
@@ -83,12 +71,6 @@ TEST(SizeTest, ToRoundedSize) {
   EXPECT_EQ(Size(10, 10), ToRoundedSize(SizeF(10.4999f, 10.4999f)));
   EXPECT_EQ(Size(11, 11), ToRoundedSize(SizeF(10.5f, 10.5f)));
   EXPECT_EQ(Size(11, 11), ToRoundedSize(SizeF(10.9999f, 10.9999f)));
-
-  EXPECT_EQ(Size(-10, -10), ToRoundedSize(SizeF(-10, -10)));
-  EXPECT_EQ(Size(-10, -10), ToRoundedSize(SizeF(-10.0001f, -10.0001f)));
-  EXPECT_EQ(Size(-10, -10), ToRoundedSize(SizeF(-10.4999f, -10.4999f)));
-  EXPECT_EQ(Size(-11, -11), ToRoundedSize(SizeF(-10.5f, -10.5f)));
-  EXPECT_EQ(Size(-11, -11), ToRoundedSize(SizeF(-10.9999f, -10.9999f)));
 }
 
 TEST(SizeTest, ClampSize) {