Add UMA metrics to measure the effectiveness of views fuzzing

chrome/browser/ui/views/tabs/tab.cc

Index: chrome/browser/ui/views/tabs/tab.cc
diff --git a/chrome/browser/ui/views/tabs/tab.cc b/chrome/browser/ui/views/tabs/tab.cc
index acfb5c55512212e8f99dab093947ec2f5dfcd80f..f87118257cb9cd5c55af7642ccf68db8443f8f74 100644
--- a/chrome/browser/ui/views/tabs/tab.cc
+++ b/chrome/browser/ui/views/tabs/tab.cc
@@ -49,7 +49,10 @@
 #endif
 
 #if defined(USE_ASH)
+#include "ash/touch/touch_uma.h"
 #include "ui/aura/env.h"
+
+using ash::internal::TouchUMA;
 #endif
 
 namespace {
@@ -457,6 +460,7 @@ Tab::Tab(TabController* controller)
       immersive_loading_step_(0),
       should_display_crashed_favicon_(false),
       theme_provider_(NULL),
+      tab_activated_with_last_gesture_begin_(false),
       hover_controller_(this),
       showing_icon_(false),
       showing_close_button_(false),
@@ -711,6 +715,11 @@ void Tab::ButtonPressed(views::Button* sender, const ui::Event& event) {
       CLOSE_TAB_FROM_TOUCH;
   DCHECK_EQ(close_button_, sender);
   controller()->CloseTab(this, source);
+#if defined(USE_ASH)
+  if (event.type() == ui::ET_GESTURE_TAP)

[sky, 2013/06/26 23:42:55]

use {} since multi-line too.

[tdanderson, 2013/06/27 22:39:33]

Done.

+    TouchUMA::GetInstance()->RecordGestureAction(
+        TouchUMA::GESTURE_TABCLOSE_TAP);
+#endif
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -1028,6 +1037,7 @@ void Tab::OnGestureEvent(ui::GestureEvent* event) {
                                        parent());
       ui::ListSelectionModel original_selection;
       original_selection.Copy(controller()->GetSelectionModel());
+      tab_activated_with_last_gesture_begin_ = !IsActive();
       if (!IsSelected())
         controller()->SelectTab(this);
       gfx::Point loc(event->location());