M66 merge: cros: Add user actions to KSV.

This cl adds two user actions to Keyboard Shortcut Viewer (KSV):
1. The times user creates a new window of Keyboard Shortcut Viewer.
2. The times user enters search mode in Keyboard Shortcut Viewer.

TBR=afakhry@chromium.org,holte@chromium.org

Bug: 768932
Test: can see the counts in chrome://user-actions.
Change-Id: Id04f20c755def88f6f360d3c66ac1417180d5a94
Reviewed-on: https://chromium-review.googlesource.com/938381
Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Commit-Queue: Tao Wu <wutao@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#540300}(cherry picked from commit fdbb173)
Reviewed-on: https://chromium-review.googlesource.com/953029
Reviewed-by: Tao Wu <wutao@chromium.org>
Cr-Commit-Position: refs/branch-heads/3359@{#62}
Cr-Branched-From: 66afc5e-refs/heads/master@{#540276}

Author: wutao

ash/components/shortcut_viewer/views/keyboard_shortcut_view.cc

@@ -16,6 +16,8 @@
 #include "ash/public/cpp/shelf_item.h"
 #include "ash/public/cpp/window_properties.h"
 #include "base/i18n/string_search.h"
+#include "base/metrics/user_metrics.h"
+#include "base/metrics/user_metrics_action.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/base/default_style.h"
@@ -95,6 +97,9 @@ views::Widget* KeyboardShortcutView::Show(gfx::NativeWindow context) {
     // it.
     g_ksv_view->GetWidget()->Activate();
   } else {
+    base::RecordAction(
+        base::UserMetricsAction("KeyboardShortcutViewer.CreateWindow"));
+
     constexpr gfx::Size kKSVWindowSize(768, 512);
     gfx::Rect window_bounds(kKSVWindowSize);
     if (context) {
@@ -348,7 +353,10 @@ void KeyboardShortcutView::ActiveChanged(
   sender->ShowBackOrGoogleIcon(is_active);
   search_results_container_->SetVisible(is_active);
   tabbed_pane_->SetVisible(!is_active);
-  if (!is_active) {
+  if (is_active) {
+    base::RecordAction(
+        base::UserMetricsAction("KeyboardShortcutViewer.Search"));
+  } else {
     search_results_container_->RemoveAllChildViews(true);
     RequestFocusForActiveTab();
   }

tools/metrics/actions/actions.xml

@@ -8263,6 +8263,20 @@ should be able to be added at any place in this file.
   <description>Please enter the description of this user action.</description>
 </action>
 
+<action name="KeyboardShortcutViewer.CreateWindow">
+  <owner>wutao@chromium.org</owner>
+  <description>
+    Records when the user creates a new window of Keyboard Shortcut Viewer.
+  </description>
+</action>
+
+<action name="KeyboardShortcutViewer.Search">
+  <owner>wutao@chromium.org</owner>
+  <description>
+    Records when the user enters search mode in Keyboard Shortcut Viewer.
+  </description>
+</action>
+
 <action name="KeywordEditor_AddKeyword">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>