replace COMPILE_ASSERT with static_assert in web/

Source/web/WebInputEvent.cpp

Index: Source/web/WebInputEvent.cpp
diff --git a/Source/web/WebInputEvent.cpp b/Source/web/WebInputEvent.cpp
index 7912abe8eb974ec69dee00789a21641631edde44..165c5ce5bfb88384a6a6c8802eebed94cf79676e 100644
--- a/Source/web/WebInputEvent.cpp
+++ b/Source/web/WebInputEvent.cpp
@@ -63,12 +63,12 @@ struct SameSizeAsWebTouchEvent : public SameSizeAsWebInputEvent {
     int touchData[2];
 };
 
-COMPILE_ASSERT(sizeof(WebInputEvent) == sizeof(SameSizeAsWebInputEvent), WebInputEvent_has_gaps);
-COMPILE_ASSERT(sizeof(WebKeyboardEvent) == sizeof(SameSizeAsWebKeyboardEvent), WebKeyboardEvent_has_gaps);
-COMPILE_ASSERT(sizeof(WebMouseEvent) == sizeof(SameSizeAsWebMouseEvent), WebMouseEvent_has_gaps);
-COMPILE_ASSERT(sizeof(WebMouseWheelEvent) == sizeof(SameSizeAsWebMouseWheelEvent), WebMouseWheelEvent_has_gaps);
-COMPILE_ASSERT(sizeof(WebGestureEvent) == sizeof(SameSizeAsWebGestureEvent), WebGestureEvent_has_gaps);
-COMPILE_ASSERT(sizeof(WebTouchEvent) == sizeof(SameSizeAsWebTouchEvent), WebTouchEvent_has_gaps);
+static_assert(sizeof(WebInputEvent) == sizeof(SameSizeAsWebInputEvent), "WebInputEvent should not have gaps");
+static_assert(sizeof(WebKeyboardEvent) == sizeof(SameSizeAsWebKeyboardEvent), "WebKeyboardEvent should not have gaps");
+static_assert(sizeof(WebMouseEvent) == sizeof(SameSizeAsWebMouseEvent), "WebMouseEvent should not have gaps");
+static_assert(sizeof(WebMouseWheelEvent) == sizeof(SameSizeAsWebMouseWheelEvent), "WebMouseWheelEvent should not have gaps");
+static_assert(sizeof(WebGestureEvent) == sizeof(SameSizeAsWebGestureEvent), "WebGestureEvent should not have gaps");
+static_assert(sizeof(WebTouchEvent) == sizeof(SameSizeAsWebTouchEvent), "WebTouchEvent should not have gaps");
 
 static const char* staticKeyIdentifiers(unsigned short keyCode)
 {