[CrOS] Disable touchscreen logging

This is in preparation for a redesign of the system in the coming
months.

Bug: 1196261, b:184385681
Test: use touchscreen, check no touches appear in system logs ZIP (even
Test: after opening and closing the virtual keyboard)
Change-Id: I49b717f1865d62053df2b415957426718951c008
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2818722
Reviewed-by: Michael Spang <spang@chromium.org>
Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Commit-Queue: Harry Cutts <hcutts@chromium.org>
Cr-Commit-Position: refs/heads/master@{#871098}

ash/keyboard/ui/keyboard_ui_controller.cc

@@ -43,8 +43,6 @@
 #include "ui/events/gestures/gesture_recognizer.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/vector2d.h"
-#include "ui/ozone/public/input_controller.h"
-#include "ui/ozone/public/ozone_platform.h"
 #include "ui/wm/core/coordinate_conversion.h"
 #include "ui/wm/core/window_animations.h"
 
@@ -72,13 +70,6 @@ constexpr base::TimeDelta kReportLingeringStateDelay =
 constexpr base::TimeDelta kTransientBlurThreshold =
     base::TimeDelta::FromMilliseconds(3500);
 
-void SetTouchEventLogging(bool enable) {
-  ui::InputController* controller =
-      ui::OzonePlatform::GetInstance()->GetInputController();
-  if (controller)
-    controller->SetTouchEventLoggingEnabled(enable);
-}
-
 // An enumeration of different keyboard control events that should be logged.
 // These values are persisted to logs. Entries should not be renumbered and
 // numeric values should never be reused.
@@ -559,8 +550,6 @@ void KeyboardUIController::HideKeyboard(HideReason reason) {
 
     case KeyboardUIState::kWillHide:
     case KeyboardUIState::kShown: {
-      SetTouchEventLogging(true /* enable */);
-
       // Log whether this was a user or system (automatic) action.
       switch (reason) {
         case HIDE_REASON_SYSTEM_EXPLICIT:
@@ -880,8 +869,6 @@ void KeyboardUIController::PopulateKeyboardContent(
 
   ui_->ReloadKeyboardIfNeeded();
 
-  SetTouchEventLogging(false /* enable */);
-
   switch (model_.state()) {
     case KeyboardUIState::kWillHide:
       ChangeState(KeyboardUIState::kShown);

ui/events/ozone/evdev/input_device_settings_evdev.h

@@ -25,7 +25,7 @@ struct InputDeviceSettingsEvdev {
   bool tap_dragging_enabled = false;
   bool natural_scroll_enabled = false;
   bool tap_to_click_paused = false;
-  bool touch_event_logging_enabled = true;
+  bool touch_event_logging_enabled = false;
   bool mouse_reverse_scroll_enabled = false;
   bool mouse_acceleration_enabled = true;
   bool mouse_scroll_acceleration_enabled = true;