Add UMA metrics to measure the effectiveness of views fuzzing

chrome/browser/ui/views/tabs/tab_strip.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 "chrome/browser/ui/views/tabs/tab_strip.h"
 
 #if defined(OS_WIN)
 #include <windowsx.h>
 #endif
 
@@ skipping 38 matching lines @@
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/window/non_client_view.h"
 
 #if defined(OS_WIN)
 #include "ui/base/win/hwnd_util.h"
 #include "ui/views/widget/monitor_win.h"
 #include "win8/util/win8_util.h"
 #endif
 
+#if defined(USE_ASH)
+#include "ash/touch/touch_uma.h"
+
+using ash::internal::TouchUMA;
+#endif
+
 using content::UserMetricsAction;
 using ui::DropTargetEvent;
 
 namespace {
 
 static const int kTabStripAnimationVSlop = 40;
 // Inactive tabs in a native frame are slightly transparent.
 static const int kNativeFrameInactiveTabAlpha = 200;
 // If there are multiple tabs selected then make non-selected inactive tabs
 // even more transparent.
@@ skipping 1419 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 // TabStrip, views::ButtonListener implementation:
 
 void TabStrip::ButtonPressed(views::Button* sender, const ui::Event& event) {
   if (sender == newtab_button_) {
     content::RecordAction(UserMetricsAction("NewTab_Button"));
     UMA_HISTOGRAM_ENUMERATION("Tab.NewTab", TabStripModel::NEW_TAB_BUTTON,
                               TabStripModel::NEW_TAB_ENUM_COUNT);
     controller()->CreateNewTab();
+#if defined(USE_ASH)
+    if (event.type() == ui::ET_GESTURE_TAP)
+      TouchUMA::GetInstance()->RecordGestureAction(
+          TouchUMA::GESTURE_NEWTAB_TAP);
+#endif
   }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // TabStrip, protected:
 
 // Overridden to support automation. See automation_proxy_uitest.cc.
 const views::View* TabStrip::GetViewByID(int view_id) const {
   if (tab_count() > 0) {
     if (view_id == VIEW_ID_TAB_LAST) {
@@ skipping 68 matching lines @@
     }
 
     case ui::ET_GESTURE_SCROLL_UPDATE:
       ContinueDrag(this, *event);
       break;
 
     case ui::ET_GESTURE_BEGIN:
       EndDrag(END_DRAG_CANCEL);
       break;
 
+#if defined(USE_ASH)
+    case ui::ET_GESTURE_TAP: {
+      const int active_index = controller_->GetActiveIndex();
+      DCHECK_NE(-1, active_index);
+      Tab* active_tab = tab_at(active_index);
+      TouchUMA::GestureActionType action = TouchUMA::GESTURE_TABNOSWITCH_TAP;
+      if (active_tab->tab_activated_with_last_gesture_begin())
+        action = TouchUMA::GESTURE_TABSWITCH_TAP;
+      TouchUMA::GetInstance()->RecordGestureAction(action);
+      break;
+    }
+#endif
+
     default:
       break;
   }
   event->SetHandled();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // TabStrip, private:
 
 void TabStrip::Init() {
@@ skipping 1096 matching lines @@
   if (!adjust_layout_)
     return false;
 
 #if !defined(OS_CHROMEOS)
   if (ui::GetDisplayLayout() != ui::LAYOUT_TOUCH)
     return false;
 #endif
 
   return true;
 }