Move more dnd related files to ui/base

app/app_base.gypi

Index: app/app_base.gypi
===================================================================
--- app/app_base.gypi	(revision 71798)
+++ app/app_base.gypi	(working copy)
@@ -112,6 +112,15 @@
         '../ui/base/clipboard/clipboard_win.cc',
         '../ui/base/clipboard/scoped_clipboard_writer.cc',
         '../ui/base/clipboard/scoped_clipboard_writer.h',
+        '../ui/base/dragdrop/drag_drop_types_gtk.cc',
+        '../ui/base/dragdrop/drag_drop_types_win.cc',
+        '../ui/base/dragdrop/drag_drop_types.h',
+        '../ui/base/dragdrop/drag_source.cc',
+        '../ui/base/dragdrop/drag_source.h',
+        '../ui/base/dragdrop/drop_target.cc',
+        '../ui/base/dragdrop/drop_target.h',
+        '../ui/base/dragdrop/gtk_dnd_util.cc',
+        '../ui/base/dragdrop/gtk_dnd_util.h',
         '../ui/base/dragdrop/os_exchange_data_provider_gtk.cc',
         '../ui/base/dragdrop/os_exchange_data_provider_gtk.h',
         '../ui/base/dragdrop/os_exchange_data_provider_win.cc',
@@ -149,9 +158,6 @@
         'bidi_line_iterator.cc',
         'data_pack.cc',
         'data_pack.h',
-        'drag_drop_types_gtk.cc',
-        'drag_drop_types_win.cc',
-        'drag_drop_types.h',
         'event_synthesis_gtk.cc',
         'event_synthesis_gtk.h',
         'gfx/font_util.h',
@@ -174,8 +180,6 @@
         'gfx/gl/gl_implementation_win.cc',
         'gfx/gl/gl_interface.h',
         'gfx/gl/gl_interface.cc',
-        'gtk_dnd_util.cc',
-        'gtk_dnd_util.h',
         'gtk_signal.h',
         'gtk_signal_registrar.cc',
         'gtk_signal_registrar.h',
@@ -221,10 +225,6 @@
         'theme_provider.h',
         'view_prop.cc',
         'view_prop.h',
-        'win/drag_source.cc',
-        'win/drag_source.h',
-        'win/drop_target.cc',
-        'win/drop_target.h',
         'win/hwnd_util.cc',
         'win/hwnd_util.h',
         'win/iat_patch_function.cc',
@@ -299,11 +299,11 @@
               # Note: because of gyp predence rules this has to be defined as
               # 'sources/' rather than 'sources!'.
               'sources/': [
+                ['exclude', '^../ui/base/dragdrop/drag_drop_types_gtk.cc'],
                 ['exclude', '^../ui/base/dragdrop/os_exchange_data.cc'],
                 ['exclude', '^../ui/base/dragdrop/os_exchange_data.h'],
                 ['exclude', '^../ui/base/dragdrop/os_exchange_data_provider_gtk.cc'],
                 ['exclude', '^../ui/base/dragdrop/os_exchange_data_provider_gtk.h'],
-                ['exclude', '^drag_drop_types_gtk.cc'],
               ],
             }],
             ['toolkit_views==1', {
@@ -317,8 +317,8 @@
         }],
         ['OS!="win"', {
           'sources!': [
+            '../ui/base/dragdrop/drag_drop_types.h',
             '../ui/base/dragdrop/os_exchange_data.cc',
-            'drag_drop_types.h',
             'gfx/gdi_util.cc',
             'gfx/gdi_util.h',
             'gfx/icon_util.cc',