Eliminate ash::internal namespace

ash/metrics/user_metrics_recorder.cc

 // Copyright 2013 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 "ash/metrics/user_metrics_recorder.h"
 
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_view.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
@@ skipping 369 matching lines @@
           base::UserMetricsAction("WindowSelector_Overview"));
       break;
     case ash::UMA_WINDOW_SELECTION:
       base::RecordAction(
           base::UserMetricsAction("WindowSelector_Selection"));
       break;
   }
 }
 
 void UserMetricsRecorder::RecordPeriodicMetrics() {
-  internal::ShelfLayoutManager* manager =
-      internal::ShelfLayoutManager::ForShelf(Shell::GetPrimaryRootWindow());
+  ShelfLayoutManager* manager =
+      ShelfLayoutManager::ForShelf(Shell::GetPrimaryRootWindow());
   if (manager) {
     UMA_HISTOGRAM_ENUMERATION("Ash.ShelfAlignmentOverTime",
-        manager->SelectValueForShelfAlignment(
-            internal::SHELF_ALIGNMENT_UMA_ENUM_VALUE_BOTTOM,
-            internal::SHELF_ALIGNMENT_UMA_ENUM_VALUE_LEFT,
-            internal::SHELF_ALIGNMENT_UMA_ENUM_VALUE_RIGHT,
-            -1),
-        internal::SHELF_ALIGNMENT_UMA_ENUM_VALUE_COUNT);
+                              manager->SelectValueForShelfAlignment(
+                                  SHELF_ALIGNMENT_UMA_ENUM_VALUE_BOTTOM,
+                                  SHELF_ALIGNMENT_UMA_ENUM_VALUE_LEFT,
+                                  SHELF_ALIGNMENT_UMA_ENUM_VALUE_RIGHT,
+                                  -1),
+                              SHELF_ALIGNMENT_UMA_ENUM_VALUE_COUNT);
   }
 
   enum ActiveWindowStateType {
     ACTIVE_WINDOW_STATE_TYPE_NO_ACTIVE_WINDOW,
     ACTIVE_WINDOW_STATE_TYPE_OTHER,
     ACTIVE_WINDOW_STATE_TYPE_MAXIMIZED,
     ACTIVE_WINDOW_STATE_TYPE_FULLSCREEN,
     ACTIVE_WINDOW_STATE_TYPE_SNAPPED,
     ACTIVE_WINDOW_STATE_TYPE_COUNT
   };
@@ skipping 23 matching lines @@
         active_window_state_type = ACTIVE_WINDOW_STATE_TYPE_OTHER;
         break;
     }
   }
   UMA_HISTOGRAM_ENUMERATION("Ash.ActiveWindowShowTypeOverTime",
                             active_window_state_type,
                             ACTIVE_WINDOW_STATE_TYPE_COUNT);
 }
 
 }  // namespace ash