Moves ash/accessibility_delegate into common

ash/common/default_accessibility_delegate.h

Index: ash/common/default_accessibility_delegate.h
diff --git a/ash/default_accessibility_delegate.h b/ash/common/default_accessibility_delegate.h
similarity index 93%
rename from ash/default_accessibility_delegate.h
rename to ash/common/default_accessibility_delegate.h
index 6bde1087b47a93e7cc7fc4fbaf60340989b053e3..b12a33a644c175090d4cff3844794d3728b758e3 100644
--- a/ash/default_accessibility_delegate.h
+++ b/ash/common/default_accessibility_delegate.h
@@ -2,12 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_DEFAULT_ACCESSIBILITY_DELEGATE_H_
-#define ASH_DEFAULT_ACCESSIBILITY_DELEGATE_H_
+#ifndef ASH_COMMON_DEFAULT_ACCESSIBILITY_DELEGATE_H_
+#define ASH_COMMON_DEFAULT_ACCESSIBILITY_DELEGATE_H_
 
-#include "ash/accessibility_delegate.h"
 #include "ash/ash_export.h"
-#include "base/compiler_specific.h"
+#include "ash/common/accessibility_delegate.h"
 #include "base/macros.h"
 
 namespace ash {
@@ -75,4 +74,4 @@ class ASH_EXPORT DefaultAccessibilityDelegate : public AccessibilityDelegate {
 
 }  // namespace ash
 
-#endif  // DEFAULT_ACCESSIBILITY_DELEGATE_H_
+#endif  // ASH_COMMON_DEFAULT_ACCESSIBILITY_DELEGATE_H_