Added uma for pin unlock set up.

chrome/browser/ui/webui/options/options_ui.cc

Index: chrome/browser/ui/webui/options/options_ui.cc
diff --git a/chrome/browser/ui/webui/options/options_ui.cc b/chrome/browser/ui/webui/options/options_ui.cc
index 4a0dc71f3e1d218cd6221d0b51ea04343472ffda..94fa40214fb5af817a6e2c8e9ed0a2550a8e499a 100644
--- a/chrome/browser/ui/webui/options/options_ui.cc
+++ b/chrome/browser/ui/webui/options/options_ui.cc
@@ -128,6 +128,10 @@ constexpr char kLockStateBehaviorHTMLPath[] =
     "people_page/lock_state_behavior.html";
 constexpr char kLockStateBehaviorJSPath[] =
     "people_page/lock_state_behavior.js";
+constexpr char kLockScreenConstantsHTMLPath[] =

[jdufault, 2016/09/21 19:01:46]

These should go before the kLockStateBehavior entries.

[sammiequon, 2016/09/22 00:55:59]

Done.

+    "people_page/lock_screen_constants.html";
+constexpr char kLockScreenConstantsJSPath[] =
+    "people_page/lock_screen_constants.js";
 constexpr char kLockScreenHTMLPath[] = "people_page/lock_screen.html";
 constexpr char kLockScreenJSPath[] = "people_page/lock_screen.js";
 constexpr char kSetupPinHTMLPath[] = "people_page/setup_pin_dialog.html";
@@ -261,6 +265,10 @@ void OptionsUIHTMLSource::CreateDataSourceMap() {
       IDR_OPTIONS_LOCK_STATE_BEHAVIOR_HTML;
   path_to_idr_map_[kLockStateBehaviorJSPath] =
       IDR_OPTIONS_LOCK_STATE_BEHAVIOR_JS;
+  path_to_idr_map_[kLockScreenConstantsHTMLPath] =

[jdufault, 2016/09/21 19:01:46]

These should go before kLockStateBehavior entries

[sammiequon, 2016/09/22 00:55:59]

Done.

+      IDR_OPTIONS_LOCK_SCREEN_CONSTANTS_HTML;
+  path_to_idr_map_[kLockScreenConstantsJSPath] =
+      IDR_OPTIONS_LOCK_SCREEN_CONSTANTS_JS;
   path_to_idr_map_[kLockScreenHTMLPath] = IDR_OPTIONS_LOCK_SCREEN_HTML;
   path_to_idr_map_[kLockScreenJSPath] = IDR_OPTIONS_LOCK_SCREEN_JS;
   path_to_idr_map_[kSetupPinHTMLPath] = IDR_OPTIONS_SETUP_PIN_DIALOG_HTML;