Dump touchpad event logs for touch log source

ui/ozone/public/input_controller.cc

Index: ui/ozone/public/input_controller.cc
diff --git a/ui/ozone/public/input_controller.cc b/ui/ozone/public/input_controller.cc
index c3026909dccc573742dda6602ef82144f4453b0e..30bb45955a27c2f4e73c5ae677a8ed9a6137aae8 100644
--- a/ui/ozone/public/input_controller.cc
+++ b/ui/ozone/public/input_controller.cc
@@ -37,6 +37,8 @@ class StubInputController : public InputController {
   void SetPrimaryButtonRight(bool right) override;
   void SetTapToClickPaused(bool state) override;
   void GetTouchDeviceStatus(const GetTouchDeviceStatusReply& reply) override;
+  void GetTouchEventLog(const base::FilePath& out_dir,
+                        const GetTouchEventLogReply& reply) override;
   void DisableInternalTouchpad() override;
   void EnableInternalTouchpad() override;
   void DisableInternalKeyboardExceptKeys(
@@ -130,6 +132,12 @@ void StubInputController::GetTouchDeviceStatus(
   reply.Run(scoped_ptr<std::string>(new std::string));
 }
 
+void StubInputController::GetTouchEventLog(const base::FilePath& out_dir,
+                                           const GetTouchEventLogReply& reply) {
+  reply.Run(
+      scoped_ptr<std::vector<base::FilePath>>(new std::vector<base::FilePath>));
+}
+
 void StubInputController::DisableInternalTouchpad() {
   NOTIMPLEMENTED();
 }