Touch-initiated drag-out to download file but fails.

content/browser/web_contents/web_drag_source_win.cc

Index: content/browser/web_contents/web_drag_source_win.cc
diff --git a/content/browser/web_contents/web_drag_source_win.cc b/content/browser/web_contents/web_drag_source_win.cc
index 53df4e81725e0984a3f09e7ec496eb022174095f..22f86abd50d779a55a10cbc5dc28593e754bb1f8 100644
--- a/content/browser/web_contents/web_drag_source_win.cc
+++ b/content/browser/web_contents/web_drag_source_win.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
+#include "content/browser/renderer_host/render_widget_host_view_win.h"
 #include "content/browser/web_contents/web_drag_utils_win.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_source.h"
@@ -66,6 +67,7 @@ void WebDragSource::OnDragSourceCancel() {
   web_contents_->DragSourceEndedAt(client.x(), client.y(),
                                    screen.x(), screen.y(),
                                    WebDragOperationNone);
+  OnDragSourceEnded();
 }
 
 void WebDragSource::OnDragSourceDrop() {
@@ -84,12 +86,23 @@ void WebDragSource::OnDragSourceDrop() {
 void WebDragSource::DelayedOnDragSourceDrop() {
   if (!web_contents_)
     return;
-
   gfx::Point client;
   gfx::Point screen;
   GetCursorPositions(source_wnd_, &client, &screen);
   web_contents_->DragSourceEndedAt(client.x(), client.y(), screen.x(),
                                    screen.y(), WinDragOpToWebDragOp(effect_));
+  OnDragSourceEnded();
+}
+
+void WebDragSource::OnDragSourceEnded() {
+  RenderViewHost* render_view_host = web_contents_->GetRenderViewHost();
+  if (!render_view_host)
+    return;
+
+  RenderWidgetHostViewWin* rwhv =
+      static_cast<RenderWidgetHostViewWin*>(render_view_host->GetView());
+  if (rwhv->in_long_press_gesture())
+    rwhv->CancelLongPressGesture();
 }
 
 void WebDragSource::OnDragSourceMove() {
@@ -103,7 +116,6 @@ void WebDragSource::OnDragSourceMove() {
 
   if (!web_contents_)
     return;
-
   gfx::Point client;
   gfx::Point screen;
   GetCursorPositions(source_wnd_, &client, &screen);
@@ -111,6 +123,16 @@ void WebDragSource::OnDragSourceMove() {
                                    screen.x(), screen.y());
 }
 
+bool WebDragSource::ShouldDropDragSource(
+    BOOL escape_pressed, DWORD key_state) {
+  // We also care about right mouse button state since long press gesture is
+  // simulated as right mouse button down/up.
+  LOG(INFO) << "call WebDragSource::ShouldDropDragSource: key_state: "
+            << key_state;
+
+  return !(key_state & MK_LBUTTON) && !(key_state & MK_RBUTTON);
+}
+
 void WebDragSource::Observe(int type,
                             const NotificationSource& source,
                             const NotificationDetails& details) {