Change panel drag related methods to use mouse location in screen coordinates.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 3431 matching lines @@
         'browser/ui/panels/panel_overflow_indicator_gtk.cc',
         'browser/ui/panels/panel_overflow_indicator_gtk.h',
         'browser/ui/panels/panel_overflow_indicator_view.cc',
         'browser/ui/panels/panel_overflow_indicator_view.h',
         'browser/ui/panels/panel_settings_menu_model.cc',
         'browser/ui/panels/panel_settings_menu_model.h',
         'browser/ui/panels/panel_strip.cc',
         'browser/ui/panels/panel_strip.h',
         'browser/ui/panels/panel_titlebar_view_cocoa.h',
         'browser/ui/panels/panel_titlebar_view_cocoa.mm',
+        'browser/ui/panels/panel_utils_cocoa.h',
+        'browser/ui/panels/panel_utils_cocoa.mm',
         'browser/ui/panels/panel_window_controller_cocoa.h',
         'browser/ui/panels/panel_window_controller_cocoa.mm',
         'browser/ui/pdf/pdf_tab_observer.cc',
         'browser/ui/pdf/pdf_tab_observer.h',
         'browser/ui/pdf/pdf_unsupported_feature.cc',
         'browser/ui/pdf/pdf_unsupported_feature.h',
         'browser/ui/prefs/prefs_tab_helper.cc',
         'browser/ui/prefs/prefs_tab_helper.h',
         'browser/ui/profile_error_dialog.cc',
         'browser/ui/profile_error_dialog.h',
@@ skipping 2243 matching lines @@
          'variables': {
           'proto_in_dir': '../third_party/cros_system_api/dbus/',
           'proto_out_dir': 'chrome/browser/chromeos/dbus',
          },
          'includes': ['../build/protoc.gypi'],
         }],
       ],
     },
   ],
 }