mash: Move accessibility_types.h from ui namespace to ash namespace

ash/common/default_accessibility_delegate.h

Index: ash/common/default_accessibility_delegate.h
diff --git a/ash/common/default_accessibility_delegate.h b/ash/common/default_accessibility_delegate.h
index b12a33a644c175090d4cff3844794d3728b758e3..7fbc94a799741adcf836f13988115524cf830319 100644
--- a/ash/common/default_accessibility_delegate.h
+++ b/ash/common/default_accessibility_delegate.h
@@ -7,6 +7,7 @@
 
 #include "ash/ash_export.h"
 #include "ash/common/accessibility_delegate.h"
+#include "ash/common/accessibility_types.h"
 #include "base/macros.h"
 
 namespace ash {
@@ -20,9 +21,9 @@ class ASH_EXPORT DefaultAccessibilityDelegate : public AccessibilityDelegate {
   void ToggleHighContrast() override;
   bool IsHighContrastEnabled() const override;
   void SetMagnifierEnabled(bool enabled) override;
-  void SetMagnifierType(ui::MagnifierType type) override;
+  void SetMagnifierType(MagnifierType type) override;
   bool IsMagnifierEnabled() const override;
-  ui::MagnifierType GetMagnifierType() const override;
+  MagnifierType GetMagnifierType() const override;
   void SetLargeCursorEnabled(bool enabled) override;
   bool IsLargeCursorEnabled() const override;
   void SetAutoclickEnabled(bool enabled) override;
@@ -45,11 +46,11 @@ class ASH_EXPORT DefaultAccessibilityDelegate : public AccessibilityDelegate {
   bool IsBrailleDisplayConnected() const override;
   void SilenceSpokenFeedback() const override;
   void ToggleSpokenFeedback(
-      ui::AccessibilityNotificationVisibility notify) override;
+      AccessibilityNotificationVisibility notify) override;
   void SaveScreenMagnifierScale(double scale) override;
   double GetSavedScreenMagnifierScale() override;
-  void TriggerAccessibilityAlert(ui::AccessibilityAlert alert) override;
-  ui::AccessibilityAlert GetLastAccessibilityAlert() override;
+  void TriggerAccessibilityAlert(AccessibilityAlert alert) override;
+  AccessibilityAlert GetLastAccessibilityAlert() override;
   void PlayEarcon(int sound_key) override;
   base::TimeDelta PlayShutdownSound() const override;
   void HandleAccessibilityGesture(ui::AXGesture gesture) override;
@@ -58,7 +59,7 @@ class ASH_EXPORT DefaultAccessibilityDelegate : public AccessibilityDelegate {
   bool spoken_feedback_enabled_ = false;
   bool high_contrast_enabled_ = false;
   bool screen_magnifier_enabled_ = false;
-  ui::MagnifierType screen_magnifier_type_ = ui::kDefaultMagnifierType;
+  MagnifierType screen_magnifier_type_ = kDefaultMagnifierType;
   bool large_cursor_enabled_ = false;
   bool autoclick_enabled_ = false;
   bool virtual_keyboard_enabled_ = false;
@@ -68,7 +69,7 @@ class ASH_EXPORT DefaultAccessibilityDelegate : public AccessibilityDelegate {
   bool focus_highligh_enabled_ = false;
   bool select_to_speak_enabled_ = false;
   bool switch_access_enabled_ = false;
-  ui::AccessibilityAlert accessibility_alert_ = ui::A11Y_ALERT_NONE;
+  AccessibilityAlert accessibility_alert_ = A11Y_ALERT_NONE;
   DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityDelegate);
 };