[Merge to M60] Cloning a ui::Layer should also clone its target temperature

ui/compositor/layer_unittest.cc

Index: ui/compositor/layer_unittest.cc
diff --git a/ui/compositor/layer_unittest.cc b/ui/compositor/layer_unittest.cc
index 4efea4ac890358024196aab88ed44b761a611250..f847d75f647fdc5caa785a2f9ba9f43b1bc6a54e 100644
--- a/ui/compositor/layer_unittest.cc
+++ b/ui/compositor/layer_unittest.cc
@@ -733,6 +733,8 @@ TEST_F(LayerWithDelegateTest, Cloning) {
   layer->SetTransform(transform);
   layer->SetColor(SK_ColorRED);
   layer->SetLayerInverted(true);
+  const float temperature = 0.8f;
+  layer->SetLayerTemperature(temperature);
 
   auto clone = layer->Clone();
 
@@ -741,6 +743,7 @@ TEST_F(LayerWithDelegateTest, Cloning) {
   EXPECT_EQ(SK_ColorRED, clone->background_color());
   EXPECT_EQ(SK_ColorRED, clone->GetTargetColor());
   EXPECT_TRUE(clone->layer_inverted());
+  EXPECT_FLOAT_EQ(temperature, clone->GetTargetTemperature());
 
   layer->SetTransform(gfx::Transform());
   layer->SetColor(SK_ColorGREEN);