Prepare SyntheticPointerAction to handle touch actions for multiple fingers

content/common/input/input_param_traits_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/input/input_param_traits.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "content/common/input/input_event.h"
@@ skipping 71 matching lines @@
                       const SyntheticPointerActionParams* b) {
     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
     EXPECT_EQ(a->pointer_action_type(), b->pointer_action_type());
     if (a->pointer_action_type() ==
             SyntheticPointerActionParams::PointerActionType::PRESS ||
         a->pointer_action_type() ==
             SyntheticPointerActionParams::PointerActionType::MOVE) {
       EXPECT_EQ(a->position(), b->position());
     }
     if (a->pointer_action_type() !=
-        SyntheticPointerActionParams::PointerActionType::PROCESS) {
+            SyntheticPointerActionParams::PointerActionType::PROCESS &&
+        a->pointer_action_type() !=
+            SyntheticPointerActionParams::PointerActionType::FINISH) {
       EXPECT_EQ(a->index(), b->index());
     }
   }
 
   static void Compare(const SyntheticGesturePacket* a,
                       const SyntheticGesturePacket* b) {
     ASSERT_EQ(!!a, !!b);
     if (!a) return;
     ASSERT_EQ(!!a->gesture_params(), !!b->gesture_params());
     if (!a->gesture_params()) return;
@@ skipping 200 matching lines @@
       new SyntheticPointerActionParams(
           SyntheticPointerActionParams::PointerActionType::PROCESS));
   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
   ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));
   Verify(packet_in);
 }
 
+TEST_F(InputParamTraitsTest, SyntheticPointerActionParamsFinish) {
+  std::unique_ptr<SyntheticPointerActionParams> gesture_params(
+      new SyntheticPointerActionParams(
+          SyntheticPointerActionParams::PointerActionType::FINISH));
+  gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
+  ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION,
+            gesture_params->GetGestureType());
+  SyntheticGesturePacket packet_in;
+  packet_in.set_gesture_params(std::move(gesture_params));
+  Verify(packet_in);
+}
+
 }  // namespace
 }  // namespace content