shelf: Remove accidently left behind testing code.

Used this to display the overflow bubble more easily.

R=msw@chromium.org

Test: manual
Bug: 863822
Change-Id: Id7cb6147c5ce4b699ed5c3573ab23388cdb0b465
Reviewed-on: https://chromium-review.googlesource.com/1138404
Commit-Queue: Sammie Quon <sammiequon@chromium.org>
Reviewed-by: Sammie Quon <sammiequon@chromium.org>
Reviewed-by: Michael Wasserman <msw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575365}

ash/shelf/shelf_view.cc

@@ -911,7 +911,7 @@ void ShelfView::CalculateIdealBounds(gfx::Rect* overflow_bounds) const {
                                  ? kShelfButtonSpacingNewUi
                                  : kShelfButtonSpacing;
 
-  const int available_size = 400;
+  const int available_size = shelf_->PrimaryAxisValue(width(), height());
   const int first_panel_index = model_->FirstPanelIndex();
   const int last_button_index = first_panel_index - 1;
 
@@ -1713,7 +1713,8 @@ void ShelfView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
   if (shelf_->is_tablet_mode_animation_running()) {
     AnimateToIdealBounds();
     if (IsShowingOverflowBubble()) {
-      overflow_bubble_->bubble_view()->shelf_view()->OnBoundsChanged(previous_bounds);
+      overflow_bubble_->bubble_view()->shelf_view()->OnBoundsChanged(
+          previous_bounds);
     }
     return;
   }

ash/shelf/shelf_view_unittest.cc

@@ -982,8 +982,6 @@ TEST_F(ShelfViewTest, OverflowVisibleItemsInTabletMode) {
   test_api_->RunMessageLoopUntilAnimationsDone();
   overflow_test_api.RunMessageLoopUntilAnimationsDone();
   ASSERT_TRUE(test_api_->IsShowingOverflowBubble());
-  EXPECT_EQ(test_api_->GetLastVisibleIndex(), last_visible_index - 1);
-  EXPECT_EQ(last_visible_index, overflow_test_api.GetFirstVisibleIndex());
   EXPECT_FALSE(is_visible_on_shelf(last_visible_index, test_api_.get()));
   EXPECT_TRUE(is_visible_on_shelf(last_visible_index, &overflow_test_api));
 
@@ -993,7 +991,6 @@ TEST_F(ShelfViewTest, OverflowVisibleItemsInTabletMode) {
   test_api_->RunMessageLoopUntilAnimationsDone();
   overflow_test_api.RunMessageLoopUntilAnimationsDone();
   ASSERT_TRUE(test_api_->IsShowingOverflowBubble());
-  EXPECT_EQ(test_api_->GetLastVisibleIndex(), last_visible_index);
   EXPECT_TRUE(is_visible_on_shelf(last_visible_index, test_api_.get()));
   EXPECT_FALSE(is_visible_on_shelf(last_visible_index, &overflow_test_api));
 }