Fix shelf alignment and auto-hide initialization.

ash/common/test/test_shelf_delegate.h

Index: ash/common/test/test_shelf_delegate.h
diff --git a/ash/common/test/test_shelf_delegate.h b/ash/common/test/test_shelf_delegate.h
index 575a808fa02043259aacdb21cd988ec6e832b056..78056c6a32b51af9ae3843ad0e4750a8fac04a37 100644
--- a/ash/common/test/test_shelf_delegate.h
+++ b/ash/common/test/test_shelf_delegate.h
@@ -19,6 +19,8 @@ class ShelfModel;
 
 namespace test {
 
+class ShelfInitializer;
+
 // Test implementation of ShelfDelegate.
 // Tests may create icons for windows by calling AddShelfItem().
 class TestShelfDelegate : public ShelfDelegate, public WmWindowObserver {
@@ -69,6 +71,8 @@ class TestShelfDelegate : public ShelfDelegate, public WmWindowObserver {
 
   static TestShelfDelegate* instance_;
 
+  std::unique_ptr<ShelfInitializer> shelf_initializer_;
+
   ShelfModel* model_;
 
   std::set<std::string> pinned_apps_;