Revert of Implement Aura side of unified touch text selection for contents

content/test/BUILD.gn

Index: content/test/BUILD.gn
diff --git a/content/test/BUILD.gn b/content/test/BUILD.gn
index d17a7dc6059bcb760b1ee8c5b27c7a10ae79e4ad..07ee03f909cbaa2216ae3727a42a889cc779a43d 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -374,6 +374,11 @@
       "//third_party/mesa:osmesa",
     ]
 
+    if (!is_chromeos) {
+      sources -=
+          [ "../browser/web_contents/touch_editable_impl_aura_browsertest.cc" ]
+    }
+
     if (is_win) {
       sources += rebase_path(
               content_tests_gypi_values.content_browsertests_win_sources,
@@ -459,16 +464,9 @@
               "//content")
     }
 
-    if (use_aura) {
-      deps += [
-        "//ui/touch_selection:test_support",
-        "//ui/touch_selection:touch_selection",
-      ]
-    } else {
-      sources -= [
-        "../browser/renderer_host/input/touch_selection_controller_client_aura_browsertest.cc",
-        "../browser/web_contents/web_contents_view_aura_browsertest.cc",
-      ]
+    if (!use_aura) {
+      sources -=
+          [ "../browser/web_contents/web_contents_view_aura_browsertest.cc" ]
     }
   }
 }