Make scoped enums output streamable.

ui/touch_selection/touch_handle.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/touch_selection/touch_handle.h"
 
 #include <cmath>
 
 namespace ui {
 
@@ skipping 26 matching lines @@
   gfx::PointF closest_point_in_rect(circle_center);
   closest_point_in_rect.SetToMax(rect.origin());
   closest_point_in_rect.SetToMin(rect.bottom_right());
 
   gfx::Vector2dF distance = circle_center - closest_point_in_rect;
   return distance.LengthSquared() < (circle_radius * circle_radius);
 }
 
 }  // namespace
 
-// TODO(AviD): Remove this once logging(DCHECK) supports enum class.
-static std::ostream& operator<<(std::ostream& os,
-                                const TouchHandleOrientation& orientation) {
-  switch (orientation) {
-    case TouchHandleOrientation::LEFT:
-      return os << "LEFT";
-    case TouchHandleOrientation::RIGHT:
-      return os << "RIGHT";
-    case TouchHandleOrientation::CENTER:
-      return os << "CENTER";
-    case TouchHandleOrientation::UNDEFINED:
-      return os << "UNDEFINED";
-    default:
-      return os << "INVALID: " << static_cast<int>(orientation);
-  }
-}
-
 // Responsible for rendering a selection or insertion handle for text editing.
 TouchHandle::TouchHandle(TouchHandleClient* client,
                          TouchHandleOrientation orientation,
                          const gfx::RectF& viewport_rect)
     : drawable_(client->CreateDrawable()),
       client_(client),
       viewport_rect_(viewport_rect),
       orientation_(orientation),
       deferred_orientation_(TouchHandleOrientation::UNDEFINED),
       alpha_(0.f),
@@ skipping 325 matching lines @@
   drawable_->SetAlpha(alpha);
 }
 
 void TouchHandle::SetUpdateLayoutRequired() {
   // TODO(AviD): Make the layout call explicit to the caller by adding this in
   // TouchHandleClient.
   is_handle_layout_update_required_ = true;
 }
 
 }  // namespace ui