Enable views tests for touch editing on desktop Aura

The CL to enable all touch editing tests for Aura got reverted due to
failure in browser tests. Now, landing innocent views tests separately,
until issues with browser tests are fixed.

Original CL: https://codereview.chromium.org/304883002/

BUG=377561
TBR=sky@chromium.org

Review URL: https://codereview.chromium.org/315753002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274859 0039d316-1c4b-4281-b951-d872f2087c98

ui/views/views.gyp

@@ -733,11 +733,7 @@
         'window/dialog_delegate_unittest.cc',
       ],
       'conditions': [
-        ['chromeos==0', {
-          'sources!': [
-            'touchui/touch_selection_controller_impl_unittest.cc',
-          ],
-        }, { # use_chromeos==1
+        ['chromeos==1', {
           'sources/': [
             ['exclude', 'ime/input_method_bridge_unittest.cc'],
             ['exclude', 'widget/desktop_aura'],