Add id properties to PointerEvent

ui/events/blink/web_input_event_unittest.cc

 // Copyright 2016 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 "ui/events/blink/web_input_event.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
@@ skipping 440 matching lines @@
     MouseEvent ui_event(ET_MOUSE_PRESSED, gfx::Point(123, 321),
                         gfx::Point(123, 321), timestamp, EF_LEFT_MOUSE_BUTTON,
                         EF_LEFT_MOUSE_BUTTON);
     PointerDetails pointer_details(EventPointerType::POINTER_TYPE_PEN,
                                    /* radius_x */ 0.0f,
                                    /* radius_y */ 0.0f,
                                    /* force */ 0.8f,
                                    /* tilt_x */ 89.5f,
                                    /* tilt_y */ -89.5f,
                                    /* tangential_pressure */ 0.6f,
-                                   /* twist */ 269);
+                                   /* twist */ 269,
+                                   /* id */ 63);
     ui_event.set_pointer_details(pointer_details);
     blink::WebMouseEvent webkit_event =
         MakeWebMouseEvent(ui_event, base::Bind(&GetScreenLocationFromEvent));
 
     EXPECT_EQ(blink::WebPointerProperties::PointerType::Pen,
               webkit_event.pointerType);
     EXPECT_EQ(90, webkit_event.tiltX);
     EXPECT_EQ(-90, webkit_event.tiltY);
     EXPECT_FLOAT_EQ(0.8f, webkit_event.force);
     EXPECT_FLOAT_EQ(0.6f, webkit_event.tangentialPressure);
     EXPECT_EQ(269, webkit_event.twist);
+    EXPECT_EQ(63, webkit_event.id);
     EXPECT_EQ(123, webkit_event.x);
     EXPECT_EQ(123, webkit_event.windowX);
     EXPECT_EQ(321, webkit_event.y);
     EXPECT_EQ(321, webkit_event.windowY);
   }
 }
 
 TEST(WebInputEventTest, TestMakeWebMouseWheelEvent) {
   {
     // Mouse wheel.
@@ skipping 98 matching lines @@
     ASSERT_EQ(tests[i].web_type, web_event.type());
     ASSERT_EQ(tests[i].web_modifiers, web_event.modifiers());
     ASSERT_EQ(tests[i].location.x(), web_event.x);
     ASSERT_EQ(tests[i].location.y(), web_event.y);
     ASSERT_EQ(tests[i].screen_location.x(), web_event.globalX);
     ASSERT_EQ(tests[i].screen_location.y(), web_event.globalY);
   }
 }
 
 }  // namespace ui