Dump property values for the touch log source

chrome/browser/chromeos/system_logs/touch_log_source_ozone.cc

Index: chrome/browser/chromeos/system_logs/touch_log_source_ozone.cc
diff --git a/chrome/browser/chromeos/system_logs/touch_log_source_ozone.cc b/chrome/browser/chromeos/system_logs/touch_log_source_ozone.cc
index 3e9f16524ca3b09afa34f637be703fbd256ced40..60e642a4c4fb351bef2fa30119b2668a339b3b39 100644
--- a/chrome/browser/chromeos/system_logs/touch_log_source_ozone.cc
+++ b/chrome/browser/chromeos/system_logs/touch_log_source_ozone.cc
@@ -12,6 +12,8 @@
 #include "base/process/launch.h"
 #include "components/feedback/feedback_util.h"
 #include "content/public/browser/browser_thread.h"
+#include "ui/ozone/public/input_controller.h"
+#include "ui/ozone/public/ozone_platform.h"
 
 using content::BrowserThread;
 
@@ -19,6 +21,11 @@ namespace {
 
 const char kHUDLogDataKey[] = "hud_log";
 
+// The prefix "hack-33025" was historically chosen in http://crbug.com/139715.
+// We continue to go with it in order to be compatible with the existing touch
+// log processing toolchain.
+const char kDeviceStatusLogDataKey[] = "hack-33025-touchpad";
+
 void GetTouchLogsOzone(system_logs::SystemLogsResponse* response) {
   scoped_ptr<base::DictionaryValue> dictionary =
       ash::TouchHudDebug::GetAllAsDictionary();
@@ -30,9 +37,9 @@ void GetTouchLogsOzone(system_logs::SystemLogsResponse* response) {
       (*response)[kHUDLogDataKey] = touch_log;
   }
 
-  // TODO(sheckylin): Add ozone touch log collection implementation. See
-  // http://crbug.com/400022.
-  NOTIMPLEMENTED();
+  (*response)[kDeviceStatusLogDataKey] = ui::OzonePlatform::GetInstance()
+                                             ->GetInputController()
+                                             ->GetGestureDeviceStatus();
 }
 
 }  // namespace