Remove static initializer in NeuralStylusPalmDetectionFilter.

Reduce the scode of `kRequiredAbsMtCodes` to a local scope, so it is
initialized on first use.

Also remove an unneeded included.

Bug: 537099
Change-Id: I984919c41d51a04ecbe6a85ddc56bffa9db833ed
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2419916
Commit-Queue: Michael Spang <spang@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809805}

ui/events/ozone/evdev/touch_filter/neural_stylus_palm_detection_filter.cc

@@ -403,9 +403,6 @@ bool NeuralStylusPalmDetectionFilter::
                        kOzoneNNPalmSwitchName));
 }
 
-const std::vector<int> NeuralStylusPalmDetectionFilter::kRequiredAbsMtCodes = {
-    ABS_MT_POSITION_X, ABS_MT_POSITION_Y, ABS_MT_TOUCH_MAJOR};
-
 bool NeuralStylusPalmDetectionFilter::
     CompatibleWithNeuralStylusPalmDetectionFilter(
         const EventDeviceInfo& devinfo,
@@ -425,6 +422,9 @@ bool NeuralStylusPalmDetectionFilter::
     }
     return true;
   };
+
+  static const std::vector<int> kRequiredAbsMtCodes = {
+      ABS_MT_POSITION_X, ABS_MT_POSITION_Y, ABS_MT_TOUCH_MAJOR};
   if (!std::all_of(kRequiredAbsMtCodes.begin(), kRequiredAbsMtCodes.end(),
                    code_check)) {
     return false;

ui/events/ozone/evdev/touch_filter/neural_stylus_palm_detection_filter.h

@@ -7,7 +7,6 @@
 
 #include <bitset>
 #include <cstdint>
-#include <deque>
 #include <map>
 #include <memory>
 #include <string>
@@ -94,8 +93,6 @@ class COMPONENT_EXPORT(EVDEV) NeuralStylusPalmDetectionFilter
   const PalmFilterDeviceInfo palm_filter_dev_info_;
   std::unique_ptr<NeuralStylusPalmDetectionFilterModel> model_;
 
-  static const std::vector<int> kRequiredAbsMtCodes;
-
   DISALLOW_COPY_AND_ASSIGN(NeuralStylusPalmDetectionFilter);
 };