[ash-md] Remove non-md code from the Shelf background animations.

ash/common/shelf/shelf_background_animator_unittest.cc

Index: ash/common/shelf/shelf_background_animator_unittest.cc
diff --git a/ash/common/shelf/shelf_background_animator_unittest.cc b/ash/common/shelf/shelf_background_animator_unittest.cc
index 9c40483b2a58bc95028db38a73fdb5035fd83ffd..6a395cae45b82e1c0d72539f23f17e0bb47efc14 100644
--- a/ash/common/shelf/shelf_background_animator_unittest.cc
+++ b/ash/common/shelf/shelf_background_animator_unittest.cc
@@ -37,17 +37,13 @@ class TestShelfBackgroundObserver : public ShelfBackgroundAnimatorObserver {
 
   int item_background_alpha() const { return item_background_alpha_; }
 
-  int asset_background_alpha() const { return asset_background_alpha_; }
-
   // ShelfBackgroundObserver:
   void UpdateShelfOpaqueBackground(int alpha) override;
-  void UpdateShelfAssetBackground(int alpha) override;
   void UpdateShelfItemBackground(int alpha) override;
 
  private:
   int opaque_background_alpha_ = 0;
   int item_background_alpha_ = 0;
-  int asset_background_alpha_ = 0;
 
   DISALLOW_COPY_AND_ASSIGN(TestShelfBackgroundObserver);
 };
@@ -56,10 +52,6 @@ void TestShelfBackgroundObserver::UpdateShelfOpaqueBackground(int alpha) {
   opaque_background_alpha_ = alpha;
 }
 
-void TestShelfBackgroundObserver::UpdateShelfAssetBackground(int alpha) {
-  asset_background_alpha_ = alpha;
-}
-
 void TestShelfBackgroundObserver::UpdateShelfItemBackground(int alpha) {
   item_background_alpha_ = alpha;
 }
@@ -82,10 +74,6 @@ class ShelfBackgroundAnimatorTestApi {
     return animator_->opaque_background_animator_.get();
   }
 
-  BackgroundAnimator* asset_background_animator() const {
-    return animator_->asset_background_animator_.get();
-  }
-
   BackgroundAnimator* item_background_animator() const {
     return animator_->item_background_animator_.get();
   }
@@ -172,7 +160,6 @@ void ShelfBackgroundAnimatorTestBase::PaintBackground(
 
 void ShelfBackgroundAnimatorTestBase::SetAlphaValuesOnObserver(int alpha) {
   observer_.UpdateShelfOpaqueBackground(alpha);
-  observer_.UpdateShelfAssetBackground(alpha);
   observer_.UpdateShelfItemBackground(alpha);
 }
 
@@ -200,7 +187,6 @@ TEST_F(ShelfBackgroundAnimatorNonMDTest, DefaultBackground) {
 
   EXPECT_EQ(SHELF_BACKGROUND_DEFAULT, animator_->target_background_type());
   EXPECT_EQ(0, observer_.opaque_background_alpha());
-  EXPECT_EQ(0, observer_.asset_background_alpha());
   EXPECT_EQ(expected_translucent_alpha(), observer_.item_background_alpha());
 }
 
@@ -210,7 +196,6 @@ TEST_F(ShelfBackgroundAnimatorNonMDTest, OverlapBackground) {
 
   EXPECT_EQ(SHELF_BACKGROUND_OVERLAP, animator_->target_background_type());
   EXPECT_EQ(0, observer_.opaque_background_alpha());
-  EXPECT_EQ(expected_translucent_alpha(), observer_.asset_background_alpha());
   EXPECT_EQ(expected_translucent_alpha(), observer_.item_background_alpha());
 }
 
@@ -220,7 +205,6 @@ TEST_F(ShelfBackgroundAnimatorNonMDTest, MaximizedBackground) {
 
   EXPECT_EQ(SHELF_BACKGROUND_MAXIMIZED, animator_->target_background_type());
   EXPECT_EQ(kMaxAlpha, observer_.opaque_background_alpha());
-  EXPECT_EQ(expected_translucent_alpha(), observer_.asset_background_alpha());
   EXPECT_EQ(kMaxAlpha, observer_.item_background_alpha());
 }
 
@@ -283,7 +267,6 @@ TEST_F(ShelfBackgroundAnimatorMDTest, ObserversUpdatedWhenAdded) {
   animator_->AddObserver(&observer_);
 
   EXPECT_NE(observer_.opaque_background_alpha(), kDummyAlpha);
-  EXPECT_NE(observer_.asset_background_alpha(), kDummyAlpha);
   EXPECT_NE(observer_.item_background_alpha(), kDummyAlpha);
 }
 
@@ -293,7 +276,6 @@ TEST_F(ShelfBackgroundAnimatorMDTest, DefaultBackground) {
 
   EXPECT_EQ(SHELF_BACKGROUND_DEFAULT, animator_->target_background_type());
   EXPECT_EQ(0, observer_.opaque_background_alpha());
-  EXPECT_EQ(0, observer_.asset_background_alpha());
   EXPECT_EQ(expected_translucent_alpha(), observer_.item_background_alpha());
 }
 
@@ -303,7 +285,6 @@ TEST_F(ShelfBackgroundAnimatorMDTest, OverlapBackground) {
 
   EXPECT_EQ(SHELF_BACKGROUND_OVERLAP, animator_->target_background_type());
   EXPECT_EQ(expected_translucent_alpha(), observer_.opaque_background_alpha());
-  EXPECT_EQ(0, observer_.asset_background_alpha());
   EXPECT_EQ(0, observer_.item_background_alpha());
 }
 
@@ -313,7 +294,6 @@ TEST_F(ShelfBackgroundAnimatorMDTest, MaximizedBackground) {
 
   EXPECT_EQ(SHELF_BACKGROUND_MAXIMIZED, animator_->target_background_type());
   EXPECT_EQ(kMaxAlpha, observer_.opaque_background_alpha());
-  EXPECT_EQ(0, observer_.asset_background_alpha());
   EXPECT_EQ(0, observer_.item_background_alpha());
 }
 
@@ -325,15 +305,12 @@ TEST_F(ShelfBackgroundAnimatorMDTest, ExistingAnimatorsAreReused) {
 
   const BackgroundAnimator* opaque_animator =
       test_api_->opaque_background_animator();
-  const BackgroundAnimator* asset_animator =
-      test_api_->asset_background_animator();
   const BackgroundAnimator* item_animator =
       test_api_->item_background_animator();
 
   PaintBackground(SHELF_BACKGROUND_DEFAULT);
 
   EXPECT_EQ(opaque_animator, test_api_->opaque_background_animator());
-  EXPECT_EQ(asset_animator, test_api_->asset_background_animator());
   EXPECT_EQ(item_animator, test_api_->item_background_animator());
 }
 
@@ -350,8 +327,6 @@ TEST_F(ShelfBackgroundAnimatorMDTest,
 
   const BackgroundAnimator* opaque_animator =
       test_api_->opaque_background_animator();
-  const BackgroundAnimator* asset_animator =
-      test_api_->asset_background_animator();
   const BackgroundAnimator* item_animator =
       test_api_->item_background_animator();
 
@@ -360,7 +335,6 @@ TEST_F(ShelfBackgroundAnimatorMDTest,
                              BACKGROUND_CHANGE_ANIMATE);
 
   EXPECT_NE(opaque_animator, test_api_->opaque_background_animator());
-  EXPECT_NE(asset_animator, test_api_->asset_background_animator());
   EXPECT_NE(item_animator, test_api_->item_background_animator());
 }
 
@@ -374,8 +348,6 @@ TEST_F(ShelfBackgroundAnimatorMDTest,
 
   const BackgroundAnimator* opaque_animator =
       test_api_->opaque_background_animator();
-  const BackgroundAnimator* asset_animator =
-      test_api_->asset_background_animator();
   const BackgroundAnimator* item_animator =
       test_api_->item_background_animator();
 
@@ -383,7 +355,6 @@ TEST_F(ShelfBackgroundAnimatorMDTest,
   PaintBackground(SHELF_BACKGROUND_OVERLAP);
 
   EXPECT_NE(opaque_animator, test_api_->opaque_background_animator());
-  EXPECT_NE(asset_animator, test_api_->asset_background_animator());
   EXPECT_NE(item_animator, test_api_->item_background_animator());
 }
 
@@ -404,7 +375,6 @@ TEST_F(ShelfBackgroundAnimatorMDTest,
   PaintBackground(SHELF_BACKGROUND_DEFAULT);
 
   EXPECT_NE(observer_.opaque_background_alpha(), kDummyAlpha);
-  EXPECT_NE(observer_.asset_background_alpha(), kDummyAlpha);
   EXPECT_NE(observer_.item_background_alpha(), kDummyAlpha);
 }