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

ui/compositor/layer_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/compositor/layer.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 715 matching lines @@
 TEST_F(LayerWithDelegateTest, Cloning) {
   std::unique_ptr<Layer> layer(CreateLayer(LAYER_SOLID_COLOR));
 
   gfx::Transform transform;
   transform.Scale(2, 1);
   transform.Translate(10, 5);
 
   layer->SetTransform(transform);
   layer->SetColor(SK_ColorRED);
   layer->SetLayerInverted(true);
+  const float temperature = 0.8f;
+  layer->SetLayerTemperature(temperature);
 
   auto clone = layer->Clone();
 
   // Cloning preserves layer state.
   EXPECT_EQ(transform, clone->GetTargetTransform());
   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);
   layer->SetLayerInverted(false);
 
   // The clone is an independent copy, so state changes do not propagate.
   EXPECT_EQ(transform, clone->GetTargetTransform());
   EXPECT_EQ(SK_ColorRED, clone->background_color());
   EXPECT_EQ(SK_ColorRED, clone->GetTargetColor());
   EXPECT_TRUE(clone->layer_inverted());
@@ skipping 1489 matching lines @@
   layer.set_name("foo");
   std::unique_ptr<base::trace_event::ConvertableToTraceFormat> debug_info =
       layer.TakeDebugInfo(nullptr);
   std::string trace_format("bar,");
   debug_info->AppendAsTraceFormat(&trace_format);
   std::string expected("bar,{\"layer_name\":\"foo\"}");
   EXPECT_EQ(expected, trace_format);
 }
 
 }  // namespace ui