Context menus should appear above the touch point if invoked by long press.

content/browser/renderer_host/render_widget_host_impl.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 "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 998 matching lines @@
 void RenderWidgetHostImpl::ForwardInputEvent(const WebInputEvent& input_event,
                                              int event_size,
                                              bool is_keyboard_shortcut) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::ForwardInputEvent");
 
   if (!process_->HasConnection())
     return;
 
   DCHECK(!process_->IgnoreInputEvents());
 
+  in_process_event_types_.push(input_event.type);
+
   IPC::Message* message = new ViewMsg_HandleInputEvent(routing_id_);
   message->WriteData(
       reinterpret_cast<const char*>(&input_event), event_size);
   // |is_keyboard_shortcut| only makes sense for RawKeyDown events.
   if (input_event.type == WebInputEvent::RawKeyDown)
     message->WriteBool(is_keyboard_shortcut);
   input_event_start_time_ = TimeTicks::Now();
   Send(message);
 
   // Any non-wheel input event cancels pending wheel events.
@@ skipping 498 matching lines @@
   // On other platforms, this will be equivalent to MPArch.RWH_OnMsgUpdateRect.
   delta = now - paint_start;
   UMA_HISTOGRAM_TIMES("MPArch.RWH_TotalPaintTime", delta);
   UNSHIPPED_TRACE_EVENT_INSTANT1("test_latency", "UpdateRectComplete",
       "x+y", params.bitmap_rect.x() + params.bitmap_rect.y());
 }
 
 void RenderWidgetHostImpl::OnMsgInputEventAck(WebInputEvent::Type event_type,
                                               bool processed) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::OnMsgInputEventAck");
+  if (!in_process_event_types_.empty() &&
+      in_process_event_types_.front() == event_type)
+    in_process_event_types_.pop();
 
   // Log the time delta for processing an input event.
   TimeDelta delta = TimeTicks::Now() - input_event_start_time_;
   UMA_HISTOGRAM_TIMES("MPArch.RWH_InputEventDelta", delta);
 
   // Cancel pending hung renderer checks since the renderer is responsive.
   if (decrement_in_flight_event_count() == 0)
     StopHangMonitorTimeout();
 
   int type = static_cast<int>(event_type);
@@ skipping 495 matching lines @@
   // indicate that no callback is in progress (i.e. without this line
   // DelayedAutoResized will not get called again).
   new_auto_size_.SetSize(0, 0);
   if (!should_auto_resize_)
     return;
 
   OnRenderAutoResized(new_size);
 }
 
 }  // namespace content