Linux/Gtk: Setting last_mouse_down_ to NULL on focus-out of the render widget for context menu popu…

content/browser/renderer_host/render_widget_host_view_gtk.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_view_gtk.h"
 
 // If this gets included after the gtk headers, then a bunch of compiler
 // errors happen because of a "#define Status int" in Xlib.h, which interacts
 // badly with net::URLRequestStatus::Status.
 #include "content/common/view_messages.h"
@@ skipping 239 matching lines @@
       RenderWidgetHostImpl::FromRWHV(host_view)->SetActive(false);
       RenderWidgetHostImpl::FromRWHV(host_view)->Blur();
     }
 
     // Prevents us from stealing input context focus in OnGrabNotify() handler.
     host_view->was_imcontext_focused_before_grab_ = false;
 
     // Disable the GtkIMContext object.
     host_view->im_context_->OnFocusOut();
 
+    host_view->set_last_mouse_down(NULL);
+
     return TRUE;
   }
 
   // Called when we are shadowed or unshadowed by a keyboard grab (which will
   // occur for activatable popups, such as dropdown menus). Popup windows do not
   // take focus, so we never get a focus out or focus in event when they are
   // shown, and must rely on this signal instead.
   static void OnGrabNotify(GtkWidget* widget, gboolean was_grabbed,
                            RenderWidgetHostViewGtk* host_view) {
     if (was_grabbed) {
@@ skipping 1146 matching lines @@
   return new RenderWidgetHostViewGtk(widget);
 }
 
 // static
 void content::RenderWidgetHostViewPort::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   GdkWindow* gdk_window =
       gdk_display_get_default_group(gdk_display_get_default());
   content::GetScreenInfoFromNativeWindow(gdk_window, results);
 }