Enable touch based selection and editing for webpages behind a flag.

content/content_browser.gypi

Index: content/content_browser.gypi
diff --git a/content/content_browser.gypi b/content/content_browser.gypi
index 13260d11d63a85d838600e3e0956b9102246feb0..444d865e6e72c9a94c3a00e49b1835d3e5b09d1f 100644
--- a/content/content_browser.gypi
+++ b/content/content_browser.gypi
@@ -947,6 +947,8 @@
     'browser/web_contents/navigation_entry_impl.h',
     'browser/web_contents/render_view_host_manager.cc',
     'browser/web_contents/render_view_host_manager.h',
+    'browser/web_contents/touch_editable_impl_aura.cc',
+    'browser/web_contents/touch_editable_impl_aura.h',
     'browser/web_contents/web_contents_drag_win.cc',
     'browser/web_contents/web_contents_drag_win.h',
     'browser/web_contents/web_contents_impl.cc',
@@ -1228,6 +1230,7 @@
     ['use_aura==1', {
       'dependencies': [
         '../ui/aura/aura.gyp:aura',
+        '../ui/base/strings/ui_strings.gyp:ui_strings',
         '../ui/compositor/compositor.gyp:compositor',
       ],
       'sources/': [
@@ -1260,6 +1263,8 @@
         ['exclude', '^browser/renderer_host/software_output_device_x11.cc'],
         ['exclude', '^browser/renderer_host/software_output_device_x11.h'],
         ['exclude', '^browser/renderer_host/touchpad_tap_suppression_controller_aura.cc'],
+        ['exclude', '^browser/web_contents/touch_editable_impl_aura.cc'],
+        ['exclude', '^browser/web_contents/touch_editable_impl_aura.h'],
       ],
     }],
     ['enable_plugins==1', {