touch: Allow grabbing/ungrabbing touch devices for XInput2.

views/views.gyp

 # Copyright (c) 2011 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
+
+  'conditions': [
+    [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
+      'conditions': [
+        ['sysroot!=""', {
+          'variables': {
+            'pkg-config': './pkg-config-wrapper "<(sysroot)"',
+          },
+        }, {
+          'variables': {
+            'pkg-config': 'pkg-config'
+          },
+        }],]
+    }],
+  ],
+
   'target_defaults': {
     'sources/': [
       ['exclude', '/(cocoa|gtk|win)/'],
       ['exclude', '_(cocoa|gtk|linux|mac|posix|skia|win|x)\\.(cc|mm?)$'],
       ['exclude', '/(gtk|win|x11)_[^/]*\\.cc$'],
     ],
     'conditions': [
       ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {'sources/': [
         ['include', '/gtk/'],
         ['include', '_(gtk|linux|posix|skia|x)\\.cc$'],
@@ skipping 255 matching lines @@
         'painter.cc',
         'painter.h',
         'repeat_controller.cc',
         'repeat_controller.h',
         'screen.h',
         'screen_gtk.cc',
         'screen_win.cc',
         'standard_layout.h',
         'touchui/gesture_manager.cc',
         'touchui/gesture_manager.h',
+        'touchui/touch_factory.cc',
+        'touchui/touch_factory.h',
         'view.cc',
         'view.h',
         'view_constants.cc',
         'view_constants.h',
         'view_gtk.cc',
         'view_text_utils.cc',
         'view_text_utils.h',
         'view_win.cc',
         'views_delegate.h',
         'widget/aero_tooltip_manager.cc',
@@ skipping 91 matching lines @@
             'window/native_frame_view.cc',
             'widget/widget_win.cc',
           ],
         }],
         ['touchui==1', {
           'defines': ['TOUCH_UI=1'],
           'sources/': [
             ['exclude', 'focus/accelerator_handler_gtk.cc'],
             ['exclude', 'controls/menu/native_menu_gtk.cc'],
           ],
+          'conditions': [
+            ['"<!@(<(pkg-config) --atleast-version=2.0 inputproto || echo $?)"!=""', {
+              # Exclude TouchFactory if XInput2 is not available.
+              'sources/': [
+                ['exclude', 'touchui/touch_factory.cc'],
+                ['exclude', 'touchui/touch_factory.h'],
+              ],
+            }],
+          ],
         }],
         ['OS=="win"', {
           'sources!': [
             'controls/slider/slider.cc',
             'controls/slider/slider.h',
             'controls/slider/native_slider_wrapper.h',
           ],
           'include_dirs': [
             '<(DEPTH)/third_party/wtl/include',
           ],
@@ skipping 136 matching lines @@
       ],
     },
   ],
 }
 
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