Adding Event.Latency.Browser.WheelUI, Passing latency_info to ProcessMouse/MouseWheelEvent functions

content/browser/frame_host/cross_process_frame_connector.cc

 // Copyright 2014 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/frame_host/cross_process_frame_connector.h"
 
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
 #include "content/browser/compositor/surface_utils.h"
 #include "content/browser/frame_host/frame_tree.h"
@@ skipping 154 matching lines @@
     // to a flag or otherwise refactored out when BrowserPlugin supporting
     // code is eventually removed (https://crbug.com/533069).
     resent_gesture_event.resendingPluginId = 1;
     ui::LatencyInfo latency_info;
     parent_view->ProcessGestureEvent(resent_gesture_event, latency_info);
   } else if (event.type == blink::WebInputEvent::MouseWheel) {
     blink::WebMouseWheelEvent resent_wheel_event;
     memcpy(&resent_wheel_event, &event, sizeof(resent_wheel_event));
     resent_wheel_event.x += offset_from_parent.x();
     resent_wheel_event.y += offset_from_parent.y();
-    parent_view->ProcessMouseWheelEvent(resent_wheel_event);
+    ui::LatencyInfo latency_info;
+    // Don't know if I add ui_latency component to the latency_info or not.
+    //I can change function signiture and pass latency to it.

[tdresser, 2016/05/20 17:24:53]

Add a TODO and link to the bug you filed.

Same thing with the cases below.

[sahel, 2016/05/20 18:38:20]

Done.

+    parent_view->ProcessMouseWheelEvent(resent_wheel_event, latency_info);
   } else {
     NOTIMPLEMENTED();
   }
 }
 
 bool CrossProcessFrameConnector::HasFocus() {
   RenderWidgetHostViewBase* root_view = GetRootRenderWidgetHostView();
   if (root_view)
     return root_view->HasFocus();
   return false;
@@ skipping 24 matching lines @@
   if (blink::WebInputEvent::isKeyboardEventType(event->type)) {
     if (!parent_widget->GetLastKeyboardEvent())
       return;
     NativeWebKeyboardEvent keyboard_event(
         *parent_widget->GetLastKeyboardEvent());
     view_->ProcessKeyboardEvent(keyboard_event);
     return;
   }
 
   if (blink::WebInputEvent::isMouseEventType(event->type)) {
-    view_->ProcessMouseEvent(*static_cast<const blink::WebMouseEvent*>(event));
+    ui::LatencyInfo latency_info;
+    //Don't know if I should add ui_latency componenet or not.
+    //I can change function signiture and pass latency to it.
+    view_->ProcessMouseEvent(*static_cast<const blink::WebMouseEvent*>(event),
+                              latency_info);
     return;
   }
 
   if (event->type == blink::WebInputEvent::MouseWheel) {
+    ui::LatencyInfo latency_info;
+    //Don't know if I should add ui_latency componenet or not.
+    //I can change function signiture and pass latency to it.
     view_->ProcessMouseWheelEvent(
-        *static_cast<const blink::WebMouseWheelEvent*>(event));
+        *static_cast<const blink::WebMouseWheelEvent*>(event), latency_info);
     return;
   }
 }
 
 void CrossProcessFrameConnector::OnFrameRectChanged(
     const gfx::Rect& frame_rect) {
   // TODO(wjmaclean) When changing the zoom of a WebView child without also
   // changing the zoom of the embedder (e.g. using WebView.setZoom()), we
   // shouldn't propagate this change in the frame rect. We need to find a way
   // to detect when this happens. http://crbug.com/607978
@@ skipping 89 matching lines @@
 
   if (parent) {
     return static_cast<RenderWidgetHostViewBase*>(
         parent->current_frame_host()->GetView());
   }
 
   return nullptr;
 }
 
 }  // namespace content