Migrate simple ash Shell metrics users.

ash/wm/workspace/workspace_event_handler.cc

 // Copyright (c) 2012 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/wm/workspace/workspace_event_handler.h"
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/wm_event.h"
+#include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
-#include "ash/metrics/user_metrics_recorder.h"
-#include "ash/shell.h"
 #include "ash/touch/touch_uma.h"
 #include "ash/wm/window_state_aura.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/base/hit_test.h"
 
 namespace ash {
 
 WorkspaceEventHandler::WorkspaceEventHandler()
     : click_component_(HTNOWHERE) {
@@ skipping 30 matching lines @@
       break;
     case ui::ET_MOUSE_PRESSED: {
       wm::WindowState* target_state = wm::GetWindowState(target);
 
       if (event->IsOnlyLeftMouseButton()) {
         if (event->flags() & ui::EF_IS_DOUBLE_CLICK) {
           int component = target->delegate()->
               GetNonClientComponent(event->location());
           if (component == HTCAPTION &&
               component == click_component_) {
-            ash::Shell::GetInstance()->metrics()->RecordUserMetricsAction(
-                ash::UMA_TOGGLE_MAXIMIZE_CAPTION_CLICK);
+            WmShell::Get()->RecordUserMetricsAction(
+                UMA_TOGGLE_MAXIMIZE_CAPTION_CLICK);
             const wm::WMEvent wm_event(wm::WM_EVENT_TOGGLE_MAXIMIZE_CAPTION);
             target_state->OnWMEvent(&wm_event);
             event->StopPropagation();
           }
           click_component_ = HTNOWHERE;
         }
       } else {
         click_component_ = HTNOWHERE;
       }
 
@@ skipping 17 matching lines @@
   if (click_component_ != HTCAPTION)
     return;
 
   if (event->details().tap_count() != 2) {
     TouchUMA::GetInstance()->
         RecordGestureAction(TouchUMA::GESTURE_FRAMEVIEW_TAP);
     return;
   }
 
   if (click_component_ == previous_target_component) {
-    ash::Shell::GetInstance()->metrics()->RecordUserMetricsAction(
-        ash::UMA_TOGGLE_MAXIMIZE_CAPTION_GESTURE);
+    WmShell::Get()->RecordUserMetricsAction(
+        UMA_TOGGLE_MAXIMIZE_CAPTION_GESTURE);
     TouchUMA::GetInstance()->RecordGestureAction(
         TouchUMA::GESTURE_MAXIMIZE_DOUBLETAP);
     const wm::WMEvent wm_event(wm::WM_EVENT_TOGGLE_MAXIMIZE_CAPTION);
     wm::GetWindowState(target)->OnWMEvent(&wm_event);
     event->StopPropagation();
   }
   click_component_ = HTNOWHERE;
 }
 
 void WorkspaceEventHandler::HandleVerticalResizeDoubleClick(
     wm::WindowState* target_state,
     ui::MouseEvent* event) {
   WmWindow* target = target_state->window();
   if (event->flags() & ui::EF_IS_DOUBLE_CLICK) {
     int component = target->GetNonClientComponent(event->location());
     if (component == HTBOTTOM || component == HTTOP) {
-      Shell::GetInstance()->metrics()->RecordUserMetricsAction(
+      WmShell::Get()->RecordUserMetricsAction(
           UMA_TOGGLE_SINGLE_AXIS_MAXIMIZE_BORDER_CLICK);
       const wm::WMEvent wm_event(wm::WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE);
       target_state->OnWMEvent(&wm_event);
       event->StopPropagation();
     } else if (component == HTLEFT || component == HTRIGHT) {
-      Shell::GetInstance()->metrics()->RecordUserMetricsAction(
+      WmShell::Get()->RecordUserMetricsAction(
           UMA_TOGGLE_SINGLE_AXIS_MAXIMIZE_BORDER_CLICK);
       const wm::WMEvent wm_event(wm::WM_EVENT_TOGGLE_HORIZONTAL_MAXIMIZE);
       target_state->OnWMEvent(&wm_event);
       event->StopPropagation();
     }
   }
 }
 
 }  // namespace ash