aura: Add flag to indicate if a drag session is started with touch or mouse.

ui/views/widget/native_widget_win.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 "ui/views/widget/native_widget_win.h"
 
 #include <dwmapi.h>
 #include <shellapi.h>
 
 #include <algorithm>
@@ skipping 429 matching lines @@
   message_handler_->FlashFrame(flash);
 }
 
 bool NativeWidgetWin::IsAccessibleWidget() const {
   return screen_reader_active_;
 }
 
 void NativeWidgetWin::RunShellDrag(View* view,
                                    const ui::OSExchangeData& data,
                                    const gfx::Point& location,
-                                   int operation) {
-  views::RunShellDrag(NULL, data, location, operation);
+                                   int operation,
+                                   ui::DragDropTypes::DragEventSource source) {
+  views::RunShellDrag(NULL, data, location, operation, source);
 }
 
 void NativeWidgetWin::SchedulePaintInRect(const gfx::Rect& rect) {
   message_handler_->SchedulePaintInRect(rect);
 }
 
 void NativeWidgetWin::SetCursor(gfx::NativeCursor cursor) {
   message_handler_->SetCursor(cursor);
 }
 
@@ skipping 560 matching lines @@
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   // This currently isn't necessary because we're not generating touch events on
   // windows.  When we do, this will need to be updated.
   return false;
 }
 
 }  // namespace internal
 
 }  // namespace views