Fix HTML5 effectAllowed and dragEffect on Chrome Linux.

chrome/browser/gtk/tab_contents_drag_source.cc

 // Copyright (c) 2009 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 "chrome/browser/gtk/tab_contents_drag_source.h"
 
 #include <string>
 
 #include "app/gtk_dnd_util.h"
 #include "base/file_util.h"
 #include "base/mime_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/download/drag_download_file.h"
 #include "chrome/browser/download/drag_download_util.h"
 #include "chrome/browser/gtk/gtk_util.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
 #include "gfx/gtk_util.h"
 #include "net/base/file_stream.h"
 #include "net/base/net_util.h"
 #include "webkit/glue/webdropdata.h"
 
 using WebKit::WebDragOperation;
+using WebKit::WebDragOperationsMask;
 using WebKit::WebDragOperationNone;
 
 TabContentsDragSource::TabContentsDragSource(
     TabContentsView* tab_contents_view)
     : tab_contents_view_(tab_contents_view),
       drag_failed_(false),
       drag_widget_(NULL) {
   drag_widget_ = gtk_invisible_new();
   g_signal_connect(drag_widget_, "drag-failed",
                    G_CALLBACK(OnDragFailedThunk), this);
@@ skipping 26 matching lines @@
   gtk_widget_destroy(drag_widget_);
   g_object_unref(drag_widget_);
   drag_widget_ = NULL;
 }
 
 TabContents* TabContentsDragSource::tab_contents() const {
   return tab_contents_view_->tab_contents();
 }
 
 void TabContentsDragSource::StartDragging(const WebDropData& drop_data,
+                                          WebDragOperationsMask allowed_ops,
                                           GdkEventButton* last_mouse_down,
                                           const SkBitmap& image,
                                           const gfx::Point& image_offset) {
   int targets_mask = 0;
 
   if (!drop_data.plain_text.empty())
     targets_mask |= gtk_dnd_util::TEXT_PLAIN;
   if (drop_data.url.is_valid()) {
     targets_mask |= gtk_dnd_util::TEXT_URI_LIST;
     targets_mask |= gtk_dnd_util::CHROME_NAMED_URL;
@@ skipping 33 matching lines @@
   // If we don't pass an event, GDK won't know what event time to start grabbing
   // mouse events. Technically it's the mouse motion event and not the mouse
   // down event that causes the drag, but there's no reliable way to know
   // *which* motion event initiated the drag, so this will have to do.
   // TODO(estade): This can sometimes be very far off, e.g. if the user clicks
   // and holds and doesn't start dragging for a long time. I doubt it matters
   // much, but we should probably look into the possibility of getting the
   // initiating event from webkit.
   GdkDragContext* context = gtk_drag_begin(
       drag_widget_, list,
-      static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_LINK),
+      gtk_dnd_util::WebDragOpToGdkDragAction(allowed_ops),
       1,  // Drags are always initiated by the left button.
       reinterpret_cast<GdkEvent*>(last_mouse_down));
   // The drag adds a ref; let it own the list.
   gtk_target_list_unref(list);
 
   // Sometimes the drag fails to start; |context| will be NULL and we won't
   // get a drag-end signal.
   if (!context) {
     drop_data_.reset();
     if (tab_contents()->render_view_host())
@@ skipping 203 matching lines @@
 
   if (tab_contents()->render_view_host())
     tab_contents()->render_view_host()->DragSourceSystemDragEnded();
 
   drop_data_.reset();
 }
 
 gfx::NativeView TabContentsDragSource::GetContentNativeView() const {
   return tab_contents_view_->GetContentNativeView();
 }