Move the tests in ui/chromeos to a new target: ui_chromeos_unittests

ui/base/BUILD.gn

Index: ui/base/BUILD.gn
diff --git a/ui/base/BUILD.gn b/ui/base/BUILD.gn
index b3b7c4233cb2293bc6e67c4027dba2261831a688..78f32fe242bd7c3e7f747c08dd9eede9ed868b9a 100644
--- a/ui/base/BUILD.gn
+++ b/ui/base/BUILD.gn
@@ -899,29 +899,12 @@ test("ui_unittests") {
   }
 
   if (is_chromeos) {
-    sources += [
-      # TODO(pkotwicz): Move tests to their own target (crbug.com/432538) 
-      "../chromeos/ime/candidate_view_unittest.cc",
-      "../chromeos/ime/candidate_window_view_unittest.cc",
-      "../chromeos/ime/input_method_menu_item_unittest.cc",
-      "../chromeos/ime/input_method_menu_manager_unittest.cc",
-      "../chromeos/network/network_state_notifier_unittest.cc",
-      "../chromeos/touch_exploration_controller_unittest.cc",
-    ]
     sources -= [
       "dragdrop/os_exchange_data_provider_aurax11_unittest.cc",
       "x/selection_requestor_unittest.cc",
     ]
     deps += [
       "//chromeos",
-      "//ui/aura:test_support",
-      "//ui/chromeos/resources",
-      "//ui/chromeos/strings",
-      "//ui/chromeos:ui_chromeos",
-      "//ui/events:gesture_detection",
-      "//ui/message_center:message_center",
-      "//ui/views",
-      "//ui/views:test_support",
     ]
   }
 }