Add timestamps to synthesized events.

content/browser/renderer_host/input/synthetic_gesture_target_android.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/synthetic_gesture_target_android.h"
 
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "jni/TouchEventSynthesizer_jni.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
@@ skipping 19 matching lines @@
   return RegisterNativesImpl(env);
 }
 
 void SyntheticGestureTargetAndroid::TouchSetPointer(
     JNIEnv* env, int index, int x, int y, int id) {
   Java_TouchEventSynthesizer_setPointer(env, touch_event_synthesizer_.obj(),
                                       index, x, y, id);
 }
 
 void SyntheticGestureTargetAndroid::TouchInject(
-    JNIEnv* env, Action action, int pointer_count) {
+    JNIEnv* env, Action action, int pointer_count, double timestamp_in_s) {

[jdduke (slow), 2014/01/03 18:24:30]

As noted later, let's make this arg |long time_in_ms|.

[Dominik Grewe, 2014/01/06 11:46:07]

Done.

   Java_TouchEventSynthesizer_inject(env, touch_event_synthesizer_.obj(),
-                                  static_cast<int>(action), pointer_count);
+                                    static_cast<int>(action), pointer_count,
+                                    timestamp_in_s);
 }
 
 void SyntheticGestureTargetAndroid::DispatchWebTouchEventToPlatform(
     const blink::WebTouchEvent& web_touch, const ui::LatencyInfo&) {
   JNIEnv* env = base::android::AttachCurrentThread();
 
   SyntheticGestureTargetAndroid::Action action =
       SyntheticGestureTargetAndroid::ActionInvalid;
   switch (web_touch.type) {
     case blink::WebInputEvent::TouchStart:
@@ skipping 10 matching lines @@
       break;
     default:
       NOTREACHED();
   }
   const unsigned num_touches = web_touch.touchesLength;
   for (unsigned i = 0; i < num_touches; ++i) {
     const blink::WebTouchPoint* point = &web_touch.touches[i];
     TouchSetPointer(env, i, point->position.x, point->position.y, point->id);
   }
 
-  TouchInject(env, action, num_touches);
+  TouchInject(env, action, num_touches, web_touch.timeStampSeconds);
 }
 
 SyntheticGestureParams::GestureSourceType
 SyntheticGestureTargetAndroid::GetDefaultSyntheticGestureSourceType() const {
   return SyntheticGestureParams::TOUCH_INPUT;
 }
 
 bool SyntheticGestureTargetAndroid::SupportsSyntheticGestureSourceType(
     SyntheticGestureParams::GestureSourceType gesture_source_type) const {
   return gesture_source_type == SyntheticGestureParams::TOUCH_INPUT;
 }
 
 int SyntheticGestureTargetAndroid::GetTouchSlopInDips() const {
   float device_scale_factor =
       gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().device_scale_factor();
   return gfx::ViewConfiguration::GetTouchSlopInPixels() / device_scale_factor;
 }
 
 }  // namespace content