Add a TouchEventStreamValidator

content/browser/renderer_host/input/input_router_impl.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/browser/renderer_host/input/input_router_impl.h"
 
 #include <math.h>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 156 matching lines @@
   HISTOGRAM_COUNTS_100("Renderer.KeyboardQueueSize", key_queue_.size());
 
   gesture_event_queue_.FlingHasBeenHalted();
 
   // Only forward the non-native portions of our event.
   FilterAndSendWebInputEvent(key_event, latency_info, is_keyboard_shortcut);
 }
 
 void InputRouterImpl::SendGestureEvent(
     const GestureEventWithLatencyInfo& original_gesture_event) {
-  event_stream_validator_.OnEvent(original_gesture_event.event);
+  input_stream_validator_.Validate(original_gesture_event.event);
+
   GestureEventWithLatencyInfo gesture_event(original_gesture_event);
 
   if (touch_action_filter_.FilterGestureEvent(&gesture_event.event))
     return;
 
   if (gesture_event.event.sourceDevice == blink::WebGestureDeviceTouchscreen)
     touch_event_queue_.OnGestureScrollEvent(gesture_event);
 
   if (!gesture_event_queue_.ShouldForward(gesture_event))
     return;
 
   SendGestureEventImmediately(gesture_event);
 }
 
 void InputRouterImpl::SendTouchEvent(
     const TouchEventWithLatencyInfo& touch_event) {
+  input_stream_validator_.Validate(touch_event.event);
   touch_event_queue_.QueueEvent(touch_event);
 }
 
 // Forwards MouseEvent without passing it through
 // TouchpadTapSuppressionController.
 void InputRouterImpl::SendMouseEventImmediately(
     const MouseEventWithLatencyInfo& mouse_event) {
   // Avoid spamming the renderer with mouse move events.  It is important
   // to note that WM_MOUSEMOVE events are anyways synthetic, but since our
   // thread is able to rapidly consume WM_MOUSEMOVE events, we may get way
@@ skipping 129 matching lines @@
 
   // Any input event cancels a pending mouse move event.
   next_mouse_move_.reset();
 
   OfferToHandlers(input_event, latency_info, is_keyboard_shortcut);
 }
 
 void InputRouterImpl::OfferToHandlers(const WebInputEvent& input_event,
                                       const ui::LatencyInfo& latency_info,
                                       bool is_keyboard_shortcut) {
+  output_stream_validator_.Validate(input_event);
+
   if (OfferToClient(input_event, latency_info))
     return;
 
   OfferToRenderer(input_event, latency_info, is_keyboard_shortcut);
 
   // Touch events should always indicate in the event whether they are
   // cancelable (respect ACK disposition) or not.
   bool ignores_ack = WebInputEventTraits::IgnoresAckDisposition(input_event);
   if (WebInputEvent::isTouchEventType(input_event.type)) {
     DCHECK(!ignores_ack ==
@@ skipping 333 matching lines @@
 InputRouterImpl::QueuedWheelEvent::QueuedWheelEvent(
     const MouseWheelEventWithLatencyInfo& event,
     bool synthesized_from_pinch)
     : event(event), synthesized_from_pinch(synthesized_from_pinch) {
 }
 
 InputRouterImpl::QueuedWheelEvent::~QueuedWheelEvent() {
 }
 
 }  // namespace content