Fix incorrect types and 64 bit truncations in core/events

PointerEvent's types didn't match the IDL definitions.
Use wtf_size_t when iterating WTF types.

BUG=588506

Change-Id: Ic208216e5559f3eb43d90f95712b45b22d38dd2f
Reviewed-on: https://chromium-review.googlesource.com/1227143Reviewed-by: David Bokan <bokan@chromium.org>
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#591435}

third_party/blink/renderer/core/events/navigator_events.cc

@@ -36,7 +36,7 @@
 
 namespace blink {
 
-long NavigatorEvents::maxTouchPoints(Navigator& navigator) {
+int32_t NavigatorEvents::maxTouchPoints(Navigator& navigator) {
   LocalFrame* frame = navigator.GetFrame();
   if (!frame)
     return 0;

third_party/blink/renderer/core/events/navigator_events.h

@@ -41,7 +41,7 @@ class NavigatorEvents {
   STATIC_ONLY(NavigatorEvents);
 
  public:
-  static long maxTouchPoints(Navigator&);
+  static int32_t maxTouchPoints(Navigator&);
 };
 
 }  // namespace blink

third_party/blink/renderer/core/events/pointer_event.h

@@ -24,14 +24,14 @@ class CORE_EXPORT PointerEvent final : public MouseEvent {
     return PointerEvent::Create(type, initializer, CurrentTimeTicks());
   }
 
-  int pointerId() const { return pointer_id_; }
+  int32_t pointerId() const { return pointer_id_; }
   double width() const { return width_; }
   double height() const { return height_; }
   float pressure() const { return pressure_; }
-  long tiltX() const { return tilt_x_; }
-  long tiltY() const { return tilt_y_; }
+  int32_t tiltX() const { return tilt_x_; }
+  int32_t tiltY() const { return tilt_y_; }
   float tangentialPressure() const { return tangential_pressure_; }
-  long twist() const { return twist_; }
+  int32_t twist() const { return twist_; }
   const String& pointerType() const { return pointer_type_; }
   bool isPrimary() const { return is_primary_; }
 
@@ -70,14 +70,14 @@ class CORE_EXPORT PointerEvent final : public MouseEvent {
                const PointerEventInit&,
                TimeTicks platform_time_stamp);
 
-  int pointer_id_;
+  int32_t pointer_id_;
   double width_;
   double height_;
   float pressure_;
-  long tilt_x_;
-  long tilt_y_;
+  int32_t tilt_x_;
+  int32_t tilt_y_;
   float tangential_pressure_;
-  long twist_;
+  int32_t twist_;
   String pointer_type_;
   bool is_primary_;
 

third_party/blink/renderer/core/events/pointer_event_factory_test.cc

@@ -53,7 +53,7 @@ class PointerEventFactoryTest : public testing::Test {
       WebInputEvent::Type type = WebInputEvent::kPointerDown,
       WebPointerProperties::Button button =
           WebPointerProperties::Button::kNoButton,
-      size_t coalesced_event_count = 0) {
+      wtf_size_t coalesced_event_count = 0) {
     WebPointerEvent web_pointer_event;
     web_pointer_event.pointer_type = pointer_type;
     web_pointer_event.id = raw_id;
@@ -64,7 +64,7 @@ class PointerEventFactoryTest : public testing::Test {
     web_pointer_event.hovering = hovering;
     web_pointer_event.button = button;
     Vector<WebPointerEvent> coalesced_events;
-    for (size_t i = 0; i < coalesced_event_count; i++) {
+    for (wtf_size_t i = 0; i < coalesced_event_count; i++) {
       coalesced_events.push_back(web_pointer_event);
     }
     PointerEvent* pointer_event = pointer_event_factory_.Create(
@@ -78,7 +78,7 @@ class PointerEventFactoryTest : public testing::Test {
     EXPECT_EQ(expected_pointer_type, pointer_event->pointerType());
     EXPECT_EQ(coalesced_event_count,
               pointer_event->getCoalescedEvents().size());
-    for (size_t i = 0; i < coalesced_event_count; i++) {
+    for (wtf_size_t i = 0; i < coalesced_event_count; i++) {
       EXPECT_EQ(unique_id, pointer_event->getCoalescedEvents()[i]->pointerId());
       EXPECT_EQ(is_primary,
                 pointer_event->getCoalescedEvents()[i]->isPrimary());