ppapi: Make sure the touch-event interface is detected correctly.

ppapi/cpp/input_event.cc

 // Copyright (c) 2012 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 "ppapi/cpp/input_event.h"
 
 #include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 #include "ppapi/cpp/point.h"
@@ skipping 220 matching lines @@
   if (!has_interface<PPB_TouchInputEvent_1_0>())
     return;
   // Type check the input event before setting it.
   if (get_interface<PPB_TouchInputEvent_1_0>()->IsTouchInputEvent(
       event.pp_resource())) {
     Module::Get()->core()->AddRefResource(event.pp_resource());
     PassRefFromConstructor(event.pp_resource());
   }
 }
 
+TouchInputEvent::TouchInputEvent(const InstanceHandle& instance,
+                                 PP_InputEvent_Type type,
+                                 PP_TimeTicks time_stamp,
+                                 uint32_t modifiers) {
+  // Type check the input event before setting it.
+  if (!has_interface<PPB_TouchInputEvent_1_0>())
+    return;
+  PassRefFromConstructor(get_interface<PPB_TouchInputEvent_1_0>()->Create(
+      instance.pp_instance(), type, time_stamp, modifiers));
+}
+
 void TouchInputEvent::AddTouchPoint(PP_TouchListType list,
                                     PP_TouchPoint point) {
   if (!has_interface<PPB_TouchInputEvent_1_0>())
     return;
   get_interface<PPB_TouchInputEvent_1_0>()->AddTouchPoint(pp_resource(), list,
                                                           &point);
 }
 
 uint32_t TouchInputEvent::GetTouchCount(PP_TouchListType list) const {
   if (!has_interface<PPB_TouchInputEvent_1_0>())
@@ skipping 12 matching lines @@
 
 TouchPoint TouchInputEvent::GetTouchByIndex(PP_TouchListType list,
                                                 uint32_t index) const {
   if (!has_interface<PPB_TouchInputEvent_1_0>())
     return TouchPoint();
   return TouchPoint(get_interface<PPB_TouchInputEvent_1_0>()->
                         GetTouchByIndex(pp_resource(), list, index));
 }
 
 }  // namespace pp