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

content/browser/renderer_host/render_view_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_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 35 matching lines @@
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_view_host_observer.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/context_menu_params.h"
+#include "content/public/common/context_menu_event_type.h"
 #include "content/public/common/result_codes.h"
 #include "content/public/common/url_constants.h"
 #include "net/base/net_util.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/dialogs/selected_file_info.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/native_widget_types.h"
 #include "webkit/fileapi/isolated_context.h"
 #include "webkit/glue/webdropdata.h"
@@ skipping 1168 matching lines @@
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
 
   // We don't validate |unfiltered_link_url| so that this field can be used
   // when users want to copy the original link URL.
   FilterURL(policy, renderer_id, true, &validated_params.link_url);
   FilterURL(policy, renderer_id, true, &validated_params.src_url);
   FilterURL(policy, renderer_id, false, &validated_params.page_url);
   FilterURL(policy, renderer_id, true, &validated_params.frame_url);
 
-  delegate_->ShowContextMenu(validated_params);
+  content::ContextMenuEventType type = content::NO_CONTEXT_MENU;

[sky, 2012/09/05 23:57:00]

When can we hit this?

[varunjain, 2012/09/06 03:49:55]

I included this to represent the case where javascript invoked a context menu.
But I think its the same as right click. Removed.

+  DCHECK(!in_process_event_types_.empty());
+  WebKit::WebInputEvent::Type event_type = in_process_event_types_.front();
+  if (WebKit::WebInputEvent::isMouseEventType(event_type))
+    type = content::MOUSE_CONTEXT_MENU;
+  else if (WebKit::WebInputEvent::isGestureEventType(event_type))
+    type = content::GESTURE_CONTEXT_MENU;
+  else if (WebKit::WebInputEvent::isKeyboardEventType(event_type))
+    type = content::KEYBOARD_CONTEXT_MENU;
+  delegate_->ShowContextMenu(validated_params, type);
 }
 
 void RenderViewHostImpl::OnMsgToggleFullscreen(bool enter_fullscreen) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   delegate_->ToggleFullscreenMode(enter_fullscreen);
   WasResized();
 }
 
 void RenderViewHostImpl::OnMsgOpenURL(const GURL& url,
                                       const content::Referrer& referrer,
@@ skipping 638 matching lines @@
   // can cause navigations to be ignored in OnMsgNavigate.
   is_waiting_for_beforeunload_ack_ = false;
   is_waiting_for_unload_ack_ = false;
 }
 
 void RenderViewHostImpl::ClearPowerSaveBlockers() {
   STLDeleteValues(&power_save_blockers_);
 }
 
 }  // namespace content